Dual Output BWR Models www.murata-ps.com Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Typical units FEATURES PRODUCT OVERVIEW  Regulated 3.3V and 5V outputs For applications requiring 33 watts of power from undervoltage shutdown circuitry, output overvolt- 5V and 3.3V, DATEL offers a new power sharing age protection, output short-circuit and current  5V @ 6Amps/3.3V @ 7 Amps capability DC/DC converter capable of meeting your output limiting protection, and thermal shutdown.  33 Watts total output power current requirements. The BWR-5/6-3.3/7-D48 Each design also provides trim capability and  No-load operation (36-75V input), BWR-5/6-3.3/7-D24 (18-36V on/off control function. Fully synchronous output  input) and BWR-5/6-3.3/7-D12 (10-18V input) rectifi cation renders high effi ciency and no-load Available input voltage ranges: are fully isolated DC/DC converters capable of operation. 10-18V, 18-36V or 36-75V delivering any combination of 5V and 3.3V load- BWR power sharing modules offer low ripple  Small 2" x 2" x 0.45" package ing up to a combined total of 33 Watts of output and noise performance, high effi ciency (88%),  UL1950 and EN60950-1 safety approvals power. 1500Vdc of isolation voltage, and are fully  mark available (75V-input models) Housed in a standard 2" x 2" x 0.45" metal specifi ed for –40 to +100°C operation. These package coated with electrically non-conductive devices meet IEC950, UL1950 and EN6950 safety  Continuous short-circuit protection fi nish, these converters utilize a shared control- standards, including BASIC insulation require-  Fully isolated, 1500Vdc guaranteed loop system to assure load regulation of ±1% for ments for “D48” models. CB reports are available  –40 to +100°C operating temperature 3.3V output and ±1.5% for 5V output. All models on request. “D48” models are CE marked (meet include input Pi fi ltering, input overvoltage and LVD requirements).  Input under and overvoltage shutdown  Output overvoltage protection  Thermal shutdowns +5V OUTPUT +INPUT (5) (1) SWITCH CONTROL +3.3V OUTPUT (7) –INPUT (2) OUTPUT RETURN ON/OFF (6) PWM CONTROL CONTROLLER (4) ACTIVE BLEEDER OPTO REFERENCE & ISOLATION ERROR AMP UV & OV THERMAL COMPARATORS SHUTDOWN TRIM (8) Typical topology is shown. Figure 1. SimpliŢ ed Schematic For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 1 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters ➀ Performance SpeciŢ cations and Ordering Guide ORDERING GUIDE SUMMARY Output Input Package R/N (mVp-p) ➂ Regulation (Max.) ➆ Effi ciency VOUT IOUT ➁ VIN Nom. Range IIN ➄ (Case, Models (Volts) (Amps) Typ. Max. Line Load ➃ No Load ➅ (Volts) (Volts) (mA) Min. Typ. Pinout) 5 6 40 100 ±1% ±1.5% ±2.5% BWR-5/6-3.3/7-D12 12 10-18 70/3308 83% 86% C4,P33 3.3 7 95 140 ±0.5% ±1% ±1.5% 5 6 40 100 ±1% ±1.5% ±2.5% BWR-5/6-3.3/7-D24 24 18-36 50/1615 85% 88% C4,P33 3.3 7 95 140 ±0.5% ±1% ±1.5% 5 6 40 100 ±1% ±1.5% ±2.5% BWR-5/6-3.3/7-D48 48 36-75 25/780 85% 88% C4,P33 3.3 7 95 140 ±0.5% ±1% ±1.5% ➄ Nominal line voltage, no load/balanced full-power condition. ➀ Typical at TA = +25°C under nominal line voltage and balanced “full-load” conditions (5V @ 3.3A/3.3V @ 5A). ➅ Tested from no-load to 100% load (other output at no-load). ➁ Any combination of 5V/3.3V rated IOUT current, not to exceed 33 Watts of output power. (See derating graphs.) ➆ Output trim may impact 5V load regulation. ➂ Ripple/Noise (R/N) measured over a 20MHz bandwidth. All models are specifi ed with 1µF ceramic output capacitors. ➃ Tested from 10% load to 100% load (other output at 10% load). *LAST TIME BUY: 4/1/2018. CLICK HERE FOR DISCONTINUANCE NOTICES. PART NUMBER STRUCTURE Optional Functions - BWR - 5 / 6 - 3.3 / 7 D48 LX C - BWR 33 Watt DC/DC’s are designed with an On/Off Control Dual Output/ function with positive polarity in the pin 4 position. Mixed-Voltage Series RoHS-6 Compliance* L1 Pin length: 0.110 in. (2.79mm) ±0.010 L2 Pin length: 0.145 in. (3.68mm) ±0.010 V1 Nominal Output Voltage: Optional Functions 5 Volts Pin length options require a minimum order quantity. Input Voltage Range: I1 Maximum Output Current: Refer to the last page for additional options. D12 = 10-18 Volts (12V nominal) 6 Amps D24 = 18-36 Volts (24V nominal) * Contact MPS for availability. D48 = 36-75 Volts (48V nominal) V2 Nominal Output Voltage: 3.3 Volts I2 Maximum Output Current: 7 Amps MECHANICAL SPECIFICATIONS 2.00 (50.80) METAL CASE 0.45 C04 Metal Case Case C4 (11.43) INSULATED BASE I/O Connections Pin Function P33 0.040 ±0.002 DIA (1.016 ±0.051) 0.20 MIN 1 +Input Notes: (5.08) 1.800 0.10 2 –Input For “D12” and “D24” models the (45.72) (2.54) 3 No Pin case is connected to pin 2 (–Input). 4 On/Off Control For “D48” models, the case is connected to pin 1 (+Input). 5 +5V Output 5 6 Output Return 0.200 (5.08) 7 +3.3V Output 8 Trim 1.200 6 1 (30.48) 2.00 (50.80) 2 3 EQ. SP. @ 7 0.400 (10.16) 0.400 (10.16) 4 8 0.40 (10.16) 0.100 (2.54) BOTTOM VIEW Dimensions in inches (mm) www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 2 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Performance/Functional SpeciŢ cations Typical @ TA = +25°C under nominal line voltage, balanced "full-load" conditions, unless noted. ➀ Input Output (continued) Input Voltage Range: ➁ Short Circuit Current: D12 Models 10-18 Volts (12V nominal) 5V Output 5 Amps average, continuous D24 Models 18-36 Volts (24V nominal) 3.3V Output 6 Amps average, continuous D48 Models 36-75 Volts (48V nominal) ➁ Overvoltage Protection: Magnetic feedback Overvoltage Shutdown: ➁ 5V Output 6.8 volts D12 Models 19-23 Volts (21V nominal) 3.3V Output 4.5Volts D24 Models 37-42 Volts (40V nominal) Maximum Capacitive Loading D48 Models 77-81 Volts (79V nominal) D12 Models 3.3V 1000µF Start-Up Threshold: ➁ 5V 470µF D12 Models 9-10 Volts (9.3V nominal) D24, D48 Models 3.3V 2000µF D24 Models 16.5-18 Volts (17V nominal) 5V 1000µF D48 Models 34-36 Volts (35V nominal) Dynamic Characteristics Undervoltage Shutdown: ➁ ➁ Dynamic Load Response D12 Models 8.5-9.6 Volts (9.3V nominal) 5V (50-100% load step to 4% VOUT) 300µsec maximum D24 Models 16-17 Volts (16.5V nominal) 3.3V (50-100% load step to 2.5% VOUT) 300µsec maximum D48 Models 32.5-35 Volts (34V nominal) Start-Up Time ➁ Input Current: VIN to VOUT 20msec maximum Normal Operating Conditions See Ordering Guide On/Off to VOUT 15msec maximum Standby Mode: Off, OV, UV, Thermal Shutdown 10mA typical Switching Frequency 285kHz (±15kHz) Input Reţ ected Ripple Current: Environmental Source Impedance <0.1, no external input fi ltering MTBF ➅ Bellcore, ground fi xed, full power, D12 Models 200mAp-p (150mAp-p typical) +25°C operating ambient temperature D24/D48 Models 250mAp-p (225mAp-p typical) D12 Models 1.3 million hours Internal Input Filter Type Pi (0.022µF - 4.7µH - 2.46µF) D24/D48 Models 1.67 million hours Reverse-Polarity Protection: ➁ Operating Temperature (Ambient) ➁ D12 Models 1 minute duration, 6A maximum Without Derating: D24 Models 1 minute duration, 4A maximum D12 Models –40 to +50°C D48 Models 1 minute duration, 2A maximum D24 Models –40 to +60°C On/Off Control (Pin 4): ➁ ➂ ➄ D48 Models –40 to +68°C D12, D24 & D48 Models On = open or 13V to +VIN, IIN = 50µA max. With Derating To +100°C (See Derating Curves) Off = 0-0.8V, IIN = 1mA max. Case Temperature Output Maximum Operational +100°C For Thermal Shutdown ➁ +110°C minimum, +117°C maximum VOUT Accuracy: Storage Temperature –40 to +120°C 5V Output ±3% maximum 3.3V Output ±1.5% maximum Flammability UL 94V-0 Minimum Loading Per SpeciŢ cation No load, see Performance Specifi cations Physical Ripple/Noise (20MHz BW) ➁ ➃ See Ordering Guide Dimensions 2" x 2" x 0.45" (50.8 x 50.8 x 11.43mm) Line/Load Regulation ➁ See Ordering Guide Internal Case Connection EfŢ ciency See Ordering Guide / Effi ciency Curves D12/D24 Models –Input (Pin 2) D48 Models +Input (Pin 1) Cross Regulation: ➁ 5V Output (5V@0.6A, 3.3V@0.7-7A) ±6% maximum Case Material Corrosion resistant steel with 3.3V Output (3.3V@0.7A, 5V@0.6-6A) ±0.5% maximum non-conductive, epoxy-based, black enamel fi nish and plastic baseplate Trim Range ➁ ±5% Pin Material Gold-plated copper alloy Isolation Voltage: Input-to-Output 1500Vdc minimum Weight 2.7 ounces (76.5 grams) Isolation Capacitance 470pF ➀ Balanced “full-load” is 5V @ 3.3A/3.3V @ 5A. All models are specifi ed with external 1µF Isolation Resistance 100M ceramic output capacitors. Primary to Secondary Insulation Level ➁ See Technical Notes/Graphs for details. D12/D24 Models Operational ➂ Applying a voltage to On/Off Control (pin 4) when no input power is applied to the converter D48 Models Basic may cause permanent damage. Temperature CoefŢ cient ±0.02%/per°C ➃ Output noise may be further reduced with the installation of additional external output capacitors. See Technical Notes. ➁ Current Limit Inception: ➄ On/Off control is designed to be driven with open collector or by appropriate voltage levels. 5V @ 95% VOUT (3.3V @ 0A) 7.6-9.0 Amps Voltages must be referenced to the input return pin (–Input). 3.3V @ 98.5% VOUT (5V @ 0A) 11.3-12.7 Amps ➅ Demonstrated MTBF available on request. www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 3 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Absolute Maximum Ratings Input Voltage Continuous: "D12" Models 23 Volts "D24" Models 42 Volts "D48" Models 81 Volts and remains within its specifi ed accuracy band. Actual measured times will Transient (100msec): "D12" Models 25 Volts vary with input source impedance, external input/output capacitance, and "D24" Models 50 Volts the slew rate of the input voltages. The BWR-5/6-3.3/7 Series implements a "D48" Models 100 Volts soft start circuit that limits the duty cycle of the PWM controller at power up, Input Reverse-Polarity Protection ➁ Input Current must be limited. 1 minute thereby limiting the Input Inrush current. duration. Fusing recommended. "D12" Models 6 Amps The On/Off Control to VOUT start-up time assumes the converter has its "D24" Models 4 Amps nominal input voltage applied but is turned off via the On/Off Control pin. The "D48" Models 2 Amps specifi cation defi nes the interval between the time at which the converter is Output Current ➁ Current limited. Devices can withstand turned on and the fully loaded output voltage enters and remains within its an indefi nite output short circuit. specifi ed accuracy band. Similar to the VIN to VOUT start-up, the On/Off Control On/Off Control (Pin 4) Max. Voltages Referenced to –Input (pin 2) +VIN to VOUT start-up time is also governed by the internal soft start circuitry and Storage Temperature –40 to +120°C external load capacitance. Lead Temperature (Soldering, 10 sec.) +300°C Input Overvoltage/Undervoltage Shutdown and Start-Up Threshold Under normal start-up conditions, devices will not begin to regulate until the These are stress ratings. Exposure of devices to any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those listed in the ramping-up input voltage exceeds the Start-Up Threshold Voltage (35V for Performance/Functional Specifi cations Table is not implied, nor recommended. "D48" models). Once operating, devices will not turn off until the input voltage drops below the Undervoltage Shutdown limit (34V for "D48" models). Subse- quent re-start will not occur until the input is brought back up to the Start-Up Threshold. This built in hysteresis prevents any unstable on/off situations from TECHNICAL NOTES occurring at a single input voltage. 5V & 3.3V Regulation Input voltages exceeding the input overvoltage shutdown specifi cation listed in the Performance/Functional Specifi cations will cause the device to The BWR 33 Watt Series converters are designed such that both the 5V and shutdown. A built-in hysteresis of 0.6 to 1.6 Volts for all models will not allow 3.3V outputs share a common regulation feedback control loop. Though the the converter to restart until the input voltage is suffi ciently reduced. feedback loop is infl uenced by both outputs, the 3.3 Volt output is dominant. As a result, the 3.3 Volt regulation (1%) is superior to the 5 Volt regulation (1.5%). On/Off Control The converters are specifi ed for load regulation of 10% to 100% loading The On/Off Control (pin 4) may be used for remote on/off operation. As shown and for no-load to 100% loading. Operation below 10% of full load mandates in Figure 1, the control pin is referenced to the –Input (pin 2) and will be inter- an increase in the regulation tolerance of ±0.5% for 3.3 Volt output and an nally pulled to a high state. The standard BWR model (no suffi x) is designed increase of ±1% for the 5 Volt output. A slight increase in switching noise may so that it is enabled when the control pin is left open and disabled when the also be observed for operation below 10% loading. control pin is pulled low (less than +0.8V relative to –Input). Operation with a full load on 3.3 Volt output and light to no load on 5 Volt Dynamic control of the on/off function is best accomplished with a mechani- output is the most demanding for +5V regulation. Under such conditions cal relay or an open-collector/open-drain circuit (optically isolated if appropriate). the internal "bleeder" circuit is activated to provide an internal load thereby The drive circuit should be able to sink approximately 1 mA for logic low. keeping regulation within the published specifi cations. The bleeder is activated The on/off control function is designed such that the converter can be gradually so as not to cause any erratic behavior on the converters outputs. A disabled while the input power is ramping up, and then "released" once the slight degradation in effi ciency will occur while this internal load is activated. input has stabilized. Filtering and Noise Reduction The BWR 33 Watt Series Converters achieve their rated ripple and noise 1 +INPUT specifi cations with the use of 1μF output capacitors. In critical applications, input/output noise may be further reduced by installing additional external I/O RA D12 RA = 34.8kΩ, RB = 6.83kΩ capacitors. Input capacitors should be selected for bulk capacitance, low ESR 4 ON/OFF D24 RA = 100kΩ, RB = 9.74kΩ and high rms-ripple-current ratings. Output capacitors should be selected for CONTROL D48 RA = 100kΩ, RB = 4.53kΩ low ESR and appropriate frequency response. All caps should have appropriate RB voltage ratings and be located as close to the converter as possible. 2 –INPUT Start-Up Time Figure 1. Internal Circuitry for On/Off Control The VIN to VOUT start-up time is the interval of time where the input voltage crosses the turn-on threshold point, and the fully loaded output voltage enters www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 4 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Current Limiting Short Circuit Condition When power demands from either output fall within 126% to 181% of the rated When a converter is in current limit mode the output voltages will drop as the output current, the DC/DC converter will go into a current limiting mode. In this output current demand increases (see fi gures 2a and 2b). If the output voltage condition both output voltages will decrease proportionately with increases in drops too low, the magnetically coupled voltage used to develop primary side output current, thereby maintaining a somewhat constant power dissipation. voltages will also drop, thereby shutting down the PWM controller. This is commonly referred to as power limiting (see Figures 2a and 2b). Current Following a time-out period of 5 to 15 milliseconds, the PWM will restart, limit inception is defi ned as the point where the full-power output voltage causing the output voltages to begin ramping to their appropriate values. If the falls below the specifi ed tolerance. If the load current being drawn from the short-circuit condition persists, another shutdown cycle will be initiated. This converter is signifi cant enough, the unit will go into a short circuit condition. on/off cycling is referred to as “hiccup” mode. The hiccup cycling reduces the See "Short Circuit Condition." average output current, thereby preventing internal temperatures from rising to excessive levels. The BWR is capable of enduring an indefi nite short circuit output condition. Typical Current Limiting Characteristics for 3.3V Output Thermal Shutdown 4 These BWR converters are equipped with Thermal Shutdown Circuitry. If the internal temperature of the DC/DC converter rises above the designed operat- ing temperature, a precision temperature sensor will power down the unit. 3 When the internal temperature decreases below the threshold of the tempera- ture sensor the unit will self start. 2 Output Overvoltage Protection Both output voltages are monitored for an overvoltage condition via magnetic VIN NOM, VIN LO All Models VIN HI D12, D24 Models 1 coupling to the primary side. If either output voltage should rise to a level which VIN HI could be damaging to the load circuitry, the sensing circuitry will power down D48 Models the PWM controller causing the output voltages to decrease. Following a time- 0 out of 5 to 15 milliseconds the PWM will restart, causing the output voltages to 0 2 4 6 8 101214 3.3 VOUT Average Ouput Current (Amps) ramp to their appropriate values. If the fault condition persists, and the output voltages again climb to excessive levels, the overvoltage circuitry will initiate Figure 2a. Current Limiting Characteristics for 3.3V Output another shutdown cycle. This on/off cycling is referred to as "hiccup" mode. Isolation/Case Connection The BWR 33 Watt Series’ 5V and 3.3V outputs (pins 5 & 7) and return (pin 6) Typical Current Limiting Characteristics for 5V Output are isolated from the +VIN and –VIN inputs (pins 1 & 2) via a transformer and (3.3V Output @ 700mA) an opto-coupled transistor. Case connections are made internal to the DC/DC 5 converter. "D12 & D24" cases are connected to –Input (pin 2), "D48" to +Input 4.5 (pin 1). 4 3.5 3 2.5 2 VIN NOM, VIN LO All Models 1.5 VIN HI D12, D24 Models 1 VIN HI 0.5 D48 Models 0 0 1 234 56 78 9 5 VOUT Average Ouput Current (Amps) Figure 2b. Current Limiting Characteristics for 5V Output www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 5 of 12 Ouput Voltages (Volts) Ouput Voltages (Volts) Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Input Reverse-Polarity Protection Upon applying a reverse-polarity voltage to the DC/DC converter, an internal 5 diode will be forward biased, drawing excessive current from the power 1 +5V OUTPUT +INPUT source. Therefore, it is required that the input current be limited be either an +5V LOAD 6 appropriately rated input fuse or a current limited power source. OUTPUT 2 –INPUT RETURN 20kΩ 5-22 Input Fusing +3.3V LOAD Turns 7 Certain applications and/or safety agencies may require the installation of 4 +3.3V OUTPUT ON/OFF fuses at the inputs of power conversion components. Fuses should also be CONTROL TRIM 8 used if the possibility of a sustained, non-current-limited, input-voltage polarity reversal exists. For DATEL BWR 33 Watt Series Converters, slow blow fuses are Figure 3. Trim Connections using a Trimpot recommended with values no greater than the following. VIN Range Fuse Value 5 "D12" Models 6 Amps +5V OUTPUT 1 +INPUT "D24" Models 4 Amps +5V LOAD "D48" Models 2 Amps 6 OUTPUT 2 –INPUT RETURN It is recommended that fuses be installed in the +Input line. +3.3V LOAD Trimming Output Voltages 7 4 +3.3V OUTPUT ON/OFF These BWR converters have a trim capability (pin 8) that allow users to adjust CONTROL TRIM 8 the output voltages ±5%. A trim adjustment will cause an equal percentage of R TRIM DOWN change in both outputs. Adjustments to the output voltages can be accom- plished via a trim pot Figure 3 or a single fi xed resistor as shown in Figures 4 Figure 4. Decrease Output Voltage Trim Connections Using A Fixed Resistor and 5. A single fi xed resistor can increase or decrease the output voltage depending on its connection. Fixed resistors should be metal-fi lm types with Trim Down absolute TCR’s less than 100ppm/°C to minimize sensitivity to changes in temperature. 3.55(VO – 1.273) RT (k7) = –13 A single resistor connected from the Trim Pin (pin 8) the +3.3V Output (pin 7), DOWN ( ) 3.3 – VO see Figure 4, will decrease the output voltages. A resistor connected from the Trim Pin (pin 8) to Output Return (pin 6) will increase the output voltages. Table 1 shows the typical Trim Resistor values for output voltage changes of 5 1 through 5%. +5V OUTPUT 1 +INPUT +5V LOAD Trim adjustment greater than 5% can have an adverse affect on the 6 2 OUTPUT converter’s performance and is not recommended. –INPUT RETURN +3.3V LOAD Trim Down Trim Up 7 4 +3.3V OUTPUT ON/OFF 0% CONTROL TRIM 8 1% 201.5k 123.7k R TRIM UP 2% 92.5k 55.3k 3% 56.1k 32.6k Figure 5. Increase Output Voltage Trim Connections Using A Fixed Resistor 4% 38.0k 21.2k 5% 27.1k 14.3k Trim Up Table 1. Percentage of Output Voltage Change vs Trim Resistor Value (Ohms) 4.51 – 13 RT (k7) = UP ( ) VO – 3.3 Note: Accuracy of adjustment is subject to the tolerances of resistor values, reference accuracy and factory-adjusted output accuracy. VO = desired output voltage. www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 6 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” Typical Performance Curves 33 Watt DC/DC Converters D12 Model D12, D24, D48 Models Input Ripple Current (VIN = 18V, 5V @ 3A, 3.3V@ 4.5A, Output Ripple and Noise (PARD) no external filtering, source impedance <0.1Ω.) (VIN = nominal, 5V@3A, 3.3V @ 4.5A, external 1µF output capacitors.) 5V Output Ripple/Noise 50mV/div 20MHz BW 50mA/div 3.3V Output Ripple/Noise 50mV/div 20MHz BW 1µsec/div 1µsec/div D24 Model Input Ripple Current (VIN = 36V, 5V @ 3A, 3.3V@ 4.5A, Output Ripple and Noise (PARD) no external filtering, source impedance <0.1Ω.) (VIN = nominal, 5V@0A, 3.3V @ 7A, external 1µF output capacitors.) 5V Output Ripple/Noise 50mV/div 20MHz BW 50mA/div 3.3V Output Ripple/Noise 50mV/div 20MHz BW 1µsec/div 1µsec/div D48 Model Output Ripple and Noise (PARD) Input Ripple Current (VIN = 75V, 5V @ 3A, 3.3V@ 4.5A, no external filtering, source impedance <0.1Ω.) (VIN = nominal, 5V@ 6A, 3.3V @ 0A, external 1µF output capacitors.) 5V Output Ripple/Noise 50mV/div 20MHz BW 50mA/div 3.3V Output Ripple/Noise 50mV/div 20MHz BW 1µsec/div 1µsec/div www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 7 of 12 Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Typical Performance Curves D12, D24, D48 Models D12, D24, D48 Models 5V Output Half-Load to Full-Load Transient Response 3.3V Output Half-Load to Full-Load Transient Response (VIN = nominal, 3.3V@ 700mA, external 1µF output capacitors.) (VIN = nominal, 5V@ 600mA, external 1µF output capacitors.) 5V Output 3.3V Output 100mV/div 100mV/div 7A 6A Output Output Current Current 2A/div 2A/div 3A 3.5A 100µsec/div 100µsec/div 5V Output Full-Load to Half-Load Transient Response 3.3V Output Full-Load to Half-Load Transient Response (VIN = nominal, 3.3V@ 700mA, external 1µF output capacitors.) (VIN = nominal, 5V@ 600mA, external 1µF output capacitors.) 5V Output 3.3V Output 100mV/div 100mV/div 7A 6A Output Output Current Current 2A/div 2A/div 3A 3.5A 100µsec/div 100µsec/div Cross Regulation Effects on +3.3VOUT Cross Regulation Effects On +5VOUT (Reference Point 5V @ 3.9A, 3.3V @ 4A) (Reference Point 5V @ 4A, 3.3V @ 3.9A) 0.8 4.0 3.0 0.6 3.3V @ 0A 5V @ 0A 2.0 0.4 5V @ 2A 3.3V @ 2A 1.0 0.2 0 0 5V @ 4A 3.3V @ 4A –1.0 –0.2 3.3V @ 6A –2.0 5V @ 6A –0.4 –3.0 3.3V @ 7A –0.6 –4.0 01 2 3 4 5 6 0 1 2 3 45 67 5 Volt Output Current (Amps) 3.3 Volt Current (Amps) www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 8 of 12 Percentage of Change on 3.3 VOUT (%) Percentage of Change in +5 VOUT (%) Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Typical Performance Curves D12, D24, D48 Models D12, D24, D48 Models 5V 5V Output Output 2V/div 2V/div 3.3V 3.3V Output Output 2V/div 2V/div VIN Remote On/Off (Pin 4) 2msec/div 2msec/div D12 Models D24, D48 Models D24/D48 - 3.3 Volt Output Efficiency vs. Line and Load D12 - 3.3 Volt Output Efficiency vs. Line and Load (+5V @ 600mA) (+5V @ 600mA) 95 90 VIN = MIN VIN = 10V 90 85 85 80 80 VIN = NOMINAL VIN = 12V 75 75 70 VIN = MAX VIN = 18V 65 70 60 65 55 50 60 0 0.78 1.56 2.33 3.11 3.89 4.67 5.44 6.22 7.00 0.70 1.40 2.10 2.80 3.50 4.20 4.90 5.60 6.30 7.00 +3.3V Output Current (Amps) +3.3V Output Current (Amps) D12 - 5 Volt Output Efficiency vs. Line and Load D24/D48 - 5 Volt Output Efficiency vs. Line and Load (+3.3V @ 700mA) (+3.3V @ 700mA) 90 95 VIN = MIN VIN = 10V 90 85 85 80 80 VIN = 12V VIN = NOMINAL 75 75 70 VIN = MAX 65 70 VIN = 18V 60 65 55 50 60 0 0.67 1.33 2.00 2.67 3.33 4.00 4.67 5.33 6.00 0.60 1.20 1.80 2.40 3.00 3.60 4.20 4.80 5.40 6.00 +5V Output Current (Amps) +5V Output Current (Amps) www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 9 of 12 Efficiency (%) Efficiency (%) Efficiency (%) Efficiency (%) Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Temperature Derating and Electrical Performace Curves D12 Models D24 Models Output Power vs. Ambient Temperature Output Power vs. Ambient Temperature VIN = 12V, Natural Convection Air flow VIN = 24V, Natural Convection Air flow 35 35 30 30 25 25 20 20 15 15 Loading (5V @ 1.98A, 3.3V @ 7A) Loading (5V @ 1.98A, 3.3V @ 7A) 10 10 Loading (5V @ 3.74A, 3.3V @ 4.33A) Loading (5V @ 3.74A, 3.3V @ 4.33A) Loading (5V @ 5.1A, 3.3V @ 2.3A) Loading (5V @ 5.1A, 3.3V @ 2.3A) Loading (5V @ 6A, 3.3V @ 0.7A) Loading (5V @ 6A, 3.3V @ 0.7A) 5 5 0 0 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Ambient Temperature ( C) Ambient Temperature ( C) ˚ ˚ Output Power vs. Ambient Temperature Output Power vs. Ambient Temperature VIN = 36V, Natural Convection Air flow VIN = 18V, Natural Convection Air flow 35 35 30 30 25 25 20 20 15 15 Loading (5V @ 1.98A, 3.3V @ 7A) Loading (5V @ 1.98A, 3.3V @ 7A) 10 10 Loading (5V @ 3.74A, 3.3V @ 4.33A) Loading (5V @ 3.74A, 3.3V @ 4.33A) Loading (5V @ 5.1A, 3.3V @ 2.3A) Loading (5V @ 5.1A, 3.3V @ 2.33A) Loading (5V @ 6A, 3.3V @ 0.7A) 5 Loading (5V @ 6A, 3.3V @ 0.7A) 5 0 0 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Ambient Temperature ( C) Ambient Temperature ( C) ˚ ˚ Output Power vs. Ambient Temperature Output Power vs. Ambient Temperature VIN = Nominal, 5V @ 3.74A/3.3V @ 4.33A VIN = Nominal, 5V @ 3.74A/3.3V @ 4.33A 35 35 30 30 25 25 20 20 15 15 Natural Convection Air FlowLoading Natural Convection Air FlowLoading 10 10 150lfm Air Flow 150lfm Air Flow 300lfm Air Flow 300lfm Air Flow 5 5 0 0 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Ambient Temperature ( C) Ambient Temperature ( C) ˚ ˚ www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 10 of 12 Output Power (Watts) Output Power (Watts) Output Power (Watts) Output Power (Watts) Output Power (Watts) Output Power (Watts) Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Temperature Derating and Electrical Performace Curves D48 Models Output Power vs. Ambient Temperature Output Power vs. Ambient Temperature VIN = 48V, Natural Convection Air flow VIN = Nominal, 5V @ 3.74A/3.3V @ 4.33A 35 35 30 30 25 25 20 20 15 15 Loading (5V @ 1.98A, 3.3V @ 7A) 10 10 Natural Convection Air FlowLoading Loading (5V @ 3.74A, 3.3V @ 4.33A) 150lfm Air Flow Loading (5V @ 5.1A, 3.3V @ 2.33A) 300lfm Air Flow Loading (5V @ 6A, 3.3V @ 0.7A) 5 5 0 0 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Ambient Temperature ( C) Ambient Temperature ( C) ˚ ˚ Output Power vs. Ambient Temperature VIN = 75V, Natural Convection Air flow 35 30 25 20 15 Loading (5V @ 1.98A, 3.3V @ 7A) 10 Loading (5V @ 3.74A, 3.3V @ 4.33A) Loading (5V @ 5.1A, 3.3V @ 2.33A) Loading (5V @ 6A, 3.3V @ 0.7A) 5 0 –40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Ambient Temperature ( C) ˚ www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 11 of 12 Output Power (Watts) Output Power (Watts) Output Power (Watts) Dual Output BWR Models Mixed Voltage, 5V AND 3.3V, 2” x 2” 33 Watt DC/DC Converters Options and Adaptations MECHANICAL SPECIFICATIONS Optional Functions Model BWR-5/6-3.3/7-D48-30745 The dual output BWR 33W DC/DC converters offer two mechanical options. Per the Ordering Guide on page 2, the trailing DXX in each part number pertains to 2.00 (50.08) the base part number. Part-number suffi xes are added after the “DXX,” indicat- PLASTIC CASE ing the selection of standard options. The resulting part number is a “standard 0.48 Case C22A product” and is available to any customer desiring that particular combination (12.19) of options, as described below. STANDOFF 0.040 ±0.001 DIA. 0.020 (0.51) Suffi x Description (1.016 ±0.025) 0.110 ±0.010 (2.8 ±0.25) Blank On/Off Control function with positive polarity in pin 4 position. The 1.800 0.10 (45.72) (2.54) pin length is 0.2 inches (5.08 mm). L1 Trim the pin length to 0.110 ±0.010 inches (2.79 ±0.25mm). This option requires a minimum order quantity. 5 0.200 (5.08) L2 Trim the pin length to 0.145 ±0.010 inches (3.68 ±0.25mm). This 6 1.200 option requires a minimum order quantity. 1 (30.48) 2.00 3 EQ. SP. @ (50.08) 2 Adaptations 0.400 (10.16) 7 0.400 (10.16) There are various additional confi gurations available on BWR 33W DC/DC’s. 4 8 Because designating each of them with a standard part-number suffi x is 0.40 not always feasable, such are designated by DATEL in assigning a 5-digit (10.16) 0.100 “adaptation code” after the part-number suffi xes. Once a confi guration has (2.54) BOTTOM VIEW been requested by a customer and created by DATEL, the resulting product is Dimensions in inches (mm) available to any customer as a “standard” off-the-shelf product. Contact DATEL directly if you are interested in your own set of options/adaptations. Our policy I/O Connections for minimum order quantities may apply. Pin Function P60A 1 +Input Consequently, the following product is offered for sale: 2 –Input 3 No Pin BWR-5/6-3.3/7-D48-30745 4 On/Off Control Standard product, 48VIN, 5V/6A and 3.3V/7A outputs with modifi ed case/pin 5 +3.3V Output 6 Output Return out C22A/P60A (LW016FA compatible), negative On/Off logic, modifi ed Trim 7 +5V Output function for 3.3VOUT (no trim for 5 VOUT) and trimmed pin length to 0.110 inches 8 +3.3V Trim (2.8 mm). This product is subject to the following operating requirements Murata Power Solutions, Inc. and the Life and Safety Critical Application Sales Policy: 129 Flanders Road, Westborough, MA 01581 U.S.A. Refer to: http://www.murata-ps.com/requirements/ ISO 9001 and 14001 REGISTERED Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifi cations are subject to change without notice. © 2018 Murata Power Solutions, Inc. www.murata-ps.com/support MDC_BWR 33W Models.A06 Page 12 of 12