Dual Output BWR Models www.murata-ps.com Mixed Voltage, 5V and 3.3V, Independent Dual Output 30 Watt DC/DC Converters Typical unit FEATURES PRODUCT OVERVIEW n Independently regulated 5V/3.3V outputs Murata Power Solutions' BWR series of DC/DC con- up to +65°C ambient temperature in a still air verters now includes two independent converters in environment. Although functionally indepen- n 5V @ 3A/3.3V @ 4.25A simultaneously one 2" x 2" package. The BWR-5/3-3.3/4.25 family dent, both outputs are driven from synchronized delivered provides both 5V at 3 Amps and 3.3V at 4.25 Amps PWMs to prevent asynchronously generated beat n Independent VOUT Trim pins for margining for a combined output power of 30 Watts from input frequencies. n Independent On/Off Control pins ranges of 10V to 18V (-D12A), 18 to 36V (-D24A), or Housed in a plastic case, all models include 36 to 75V (-D48A). input Pi filtering, input overvoltage protection, n 88% efficiency; 75mV ripple/noise Each output is regulated by its own control loop independent output short circuit and current n Input ranges: 10-18V, 18-36V or 36-75V to provide ±1% load and ±0.5% line regulation. limiting protection and independent output n UL 1950 and EN60950-1 safety approvals Individual trim pins and a negative or positive overvoltage protection as well as thermal shut- n on/off control pin allow independent adjustment of down. These devices meet IEC950, UL1950 and Fully isolated, 1500Vdc guaranteed output voltages and any combination of power-on EN6950-1 safety standards. CB reports are avail- n Input under and overvoltage shutdown sequencing between the 5V and 3.3V outputs. A able upon request. "D48A" models are CE marked n Independent OVP; short circuit protection high efficiency of 88% allows full load operation (meet LVD requirements). n Thermal shutdown +5V OUTPUT +INPUT (5) (1) SWITCH –INPUT CONTROL (2) +5V OUTPUT RETURN 5V ON/OFF (6) CONTROL (3) PWM OPTO REFERENCE & INPUT UNDERVOLTAGE CONTROLLER ISOLATION AND OVERVOLTAGE ERROR AMP +5V TRIM COMPARATORS (7) +3.3V TRIM 3.3V ON/OFF PWM OPTO REFERENCE & (10) CONTROLLER ISOLATION CONTROL ERROR AMP (4) +3.3V OUTPUT (9) SWITCH CONTROL +3.3V OUTPUT RETURN Typical topology is shown. (8) Figure 1. Simplified Schematic For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC_BWR30.E02 Page 1 of 6 Dual Output BWR Models Mixed Voltage, 5V and 3.3V, Independent Dual Output 30 Watt DC/DC Converters ➀ Performance Specifications and Ordering Guide ORDERING GUIDE Output Input Package ➂ R/N (mVp-p) Regulation (Max.) Efficiency ➁ ➄ Vout Iout Vin Nom. Range Iin (Case, ➅ ➃ Models (Volts) (Amps) Typ. Max. Line Load (Volts) (Volts) (mA/A) Min. Typ. Pinout) 5 3 75 100 ±0.5% ±1% BWR-5/3-3.3/4.25-D12A 12 10-18 210/2846 83% 85% C20, P42 3.3 4.25 75 100 ±0.5% ±1% 5 3 75 100 ±0.5% ±1% BWR-5/3-3.3/4.25-D24A 24 18-36 115/1374 85.5% 88% C20, P42 3.3 4.25 75 100 ±0.5% ±1% 5 3 75 100 ±0.5% ±1% BWR-5/3-3.3/4.25-D48A 48 36-75 70/687 85.5% 88% C20, P42 3.3 4.25 75 100 ±0.5% ±1% ➃ Tested from 10% load to 100% load. ➀ Typical at TA = +25°C under nominal line voltage and "full-load" conditions. ➄ Nominal line voltage, no load/full load condition. ➁ Any combination of 5V/3.3V current, not to exceed the published IOUT specification (30 Watts). ➅ These are incomplete model numbers. Please refer to the part number structure when ordering. ➂ Ripple/Noise (R/N) measured over a 20MHz bandwidth with 0.47µF ceramic output capacitors. PART NUMBER STRUCTURE Optional Functions BWR - 5 / 3 - 3.3 / 4.25 D48 A N LX - C - BWR 30 Watt DC/DC's are designed so a negative logic on/off control ("N" suffix) can be added in the pins 3 and 4 position. Dual Output/ RoHS-6 Mixed-Voltage Series Blank Standard product. No options specified. Optional Functions N Negative polarity on/off control V1 Nominal Output Voltage: A-Series 5 Volts L1 Pin length: 0.110 in. (2.79mm) ±0.010 High Reliability L2 Pin length: 0.145 in. (3.68mm) ±0.010 I1 Maximum Output Current: Input Voltage Range: 3 Amps -Y RoHS-5 Hazardous substance compliance D12A = 10-18 Volts (12V nominal) D24A = 18-36 Volts (24V nominal) -C RoHS-6 Hazardous substance compliance V2 Nominal Output Voltage: D48A = 36-75 Volts (48V nominal) 3.3 Volts Refer to the last page for additional options. I2 Maximum Output Current: Note: Not all model number combinations are available. 4.25 Amps Contact Murata Power Solutions. MECHANICAL SPECIFICATIONS 2.00 (50.08) PLASTIC CASE 0.48 Case C20 (12.19) I/O Connections STANDOFF Pin Function P42 0.020 (0.51) 0.20 MIN 0.040 ±0.001 DIA. 1 +Input (5.08) (1.016 ±0.025) 1.800 0.10 2 –Input (45.72) (2.54) 3 +5V On/Off 5 4 +3.3V On/Off 6 5 +5V Output 1.600 7 (40.64) 1 2.00 1.200 6 +5V Return 0.600 (50.80) 2 (30.48) (15.24) 0.300 8 1.000 3 EQ. SP. @ 3 (7.62) 7 +5V Trim (25.40) 0.200 (5.08) 0.600 9 4 (15.24) 8 +3.3V Return 10 9 +3.3V Output BOTTOM VIEW 0.200 (5.08) 0.20 10 +3.3V Trim (5.08) DIMENSIONS ARE IN INCHES (MM) www.murata-ps.com/support MDC_BWR30.E02 Page 2 of 6 Dual Output BWR Models Mixed Voltage, 5V and 3.3V, Independent Dual Output 30 Watt DC/DC Converters Performance/Functional Specifications Typical @ TA = +25°C under nominal line voltage, balanced "full-load" conditions, unless noted. ➀ Input Output (continued) Input Voltage Range: Overvoltage Protection: Magnetic feedback, transorb D12A Models 10-18 Volts (12V nominal) 5V Output 6.0 Volts D24A Models 18-36 Volts (24V nominal) 3.3V Output 4.1 Volts D48A Models 36-75 Volts (48V nominal) Maximum Capacitive Loading Overvoltage Shutdown: D12A Models 3.3V 1000µF D12A Models 18.5-21 Volts (20V nominal) 5V 680µF D24A Models 37-40 Volts (38V typical) D24A, D48A Models 3.3V 1000µF D48A Models 77-81 Volts (79V typical) 5V 680µF Start-Up Threshold: Temperature Coefficient ±0.02% per °C D12A Models 9.4-10 Volts (9.6V typical) Dynamic Characteristics D24A Models 16.5-18 Volts (17V typical) D48A Models 34-36 Volts (35V typical) Dynamic Load Response: 5V (50-100% load step to 1% VOUT) 200µsec maximum Undervoltage Shutdown: 3.3V (50-100% load step to 1% VOUT) 200µsec maximum D12A Models 7-8.5 Volts (8V typical) D24A Models 16-17.5 Volts (16.5V typical) Start-Up Time: ➁ D48A Models 32.5-34.5 Volts (33.5V typical) VIN to VOUT 10ms On/Off to VOUT TBD Input Current: Normal Operating Conditions See Ordering Guide Switching Frequency 355kHz (±35kHz) Standby Mode: Environmental Off, OV, UV, Thermal Shutdown 10mA typical MTBF ➅ Bellcore, ground fixed, full power Input Reflected Ripple Current: 25°C ambient Source Impedance <0.1Ω, no external input filtering D12A Models 873.9 thousand hours D12A Models TBD D24A Models 1.32 million hours D24A/D48A Models TBD D48A Models 1.23 million hours Internal Input Filter Type Pi (0.022µF - 4.7µH - 2.46µF) Operating Temperature (Ambient): ➁ Reverse-Polarity Protection: Without Derating: D12A Models 1 minute duration, 6A maximum D12A Models –40 to +60°C D24A Models 1 minute duration, 4A maximum D24A & D48A Models –40 to +65°C D48A Models 1 minute duration, 2A maximum With Derating To +100°C (See Derating Curves) On/Off Control (Pins 3 & 4): ➂ ➄ Case Temperature: D12A, D24A & D48A Models On = open or 13V to +VIN, Maximum Operational +100°C IIN = 1.6mA @ 13V For Thermal Shutdown +100°C minimum, +110°C maximum Off = 0-0.8V, IIN = 2mA @ 0V Storage Temperature –40 to +120°C "N" Suffix Models ➇ On = 0-1.2V, IIN = 2mA @ 0V Off = open. Physical Output Dimensions 2" x 2" x 0.5" (50.8 x 50.8 x 12.7mm) VOUT Accuracy Case Material Diallyl phthalate, UL94V-0 rated 5V Output ±1.5% maximum Pin Material Gold-plated copper alloy 3.3V Output ±1.5% maximum Weight: 2.7 ounces (76.5 grams) Minimum Loading Per Specification 10% of IOUT maximum Primary to Secondary Insulation Level Operational ➆ Minimum Loading For Stability No load ➀ All models are specified with external 0.47µF ceramic output capacitors. Ripple/Noise (20MHz BW) ➃ See Ordering Guide ➁ See Technical Notes/Graphs for details. Line/Load Regulation See Ordering Guide ➂ Applying a voltage to On/Off Control (pins 3 & 4) when no input power is applied to the converter can cause permanent damage. Efficiency See Ordering Guide ➃ Output noise may be further reduced with the installation of additional external output Trim Range ➁ ±5% capacitors. See Technical Notes. Isolation Voltage: ➄ On/Off control is designed to be driven with open collector or by appropriate voltage levels. Input-to-Output 1500Vdc minimum Voltages must be referenced to the –Input (pin 2). ➅ Demonstrated MTBF available on request. Isolation Resistance 100MΩ ➆ For conditions with less than minimum loading, outputs remain stable. However, regulation Isolation Capacitance 470pF performance will degrade. Current Limit Inception: ➇ Maximum applied voltage to On/Off pin (N suffix) less than 19.0V. 5V @ 98.5% VOUT 3.8-5.1 Amps 3.3V @ 98.5% VOUT 5.4-6.8 Amps Short Circuit Current: 5V Output 3.0 Amps average current 3.3V Output 3.0 Amps average current www.murata-ps.com/support MDC_BWR30.E02 Page 3 of 6 Dual Output BWR Models Mixed Voltage, 5V and 3.3V, Independent Dual Output Absolute Maximum Ratings 30 Watt DC/DC Converters Input Voltage: Continuous: D12A Models 23 Volts D24A Models 42 Volts 5 +5V OUTPUT D48A Models 81 Volts 1 +5V LOAD +INPUT Transient (100msec): D12A Models 25 Volts 6 +5V RETURN D24A Models 50 Volts D48A Models 100 Volts 2 7 –INPUT +5V TRIM Input Reverse-Polarity Protection Input Current must be limited. 1 minute 5V RTRIM DOWN duration. Fusing recommended. 8 +5V 3 +3.3V RETURN ON/OFF D12A Models 6 Amps CONTROL +3.3V LOAD D24A Models 4 Amps 9 +3.3V OUTPUT +3.3V D48A Models 2 Amps 4 ON/OFF CONTROL 10 Output Current ➁ Current limited. Devices can withstand +3.3V TRIM an indefinite output short circuit. 3.3V RTRIM DOWN On/Off Control (Pins 3 & 4) Max. Voltages Referenced to –Input (pin 2) 2.49(VO – 2.52) 2.49(VO – 1.27) 5V RT (kΩ) = –15 3.3V RT (kΩ) = –14.3 DOWN DOWN D12A, D24A & D48A Models +VIN 5 – VO 3.3 – VO "N" Models ±19V Storage Temperature –40 to +120°C Figure 3. Trim Connections To Decrease Output Voltages Using Fixed Resistors Lead Temperature (Soldering, 10 sec.) +300°C 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 5 +5V OUTPUT the Performance/Functional Specifications Table is not implied, nor recommended. 1 +5V LOAD +INPUT 6 +5V RETURN 2 7 –INPUT +5V TRIM 5V RTRIM UP 8 +5V TECHNICAL NOTES 3 +3.3V RETURN ON/OFF CONTROL +3.3V LOAD Trimming Output Voltages 9 +3.3V OUTPUT +3.3V 4 These BWR converters have a trim capability (pins 3 & 4) that allow users ON/OFF CONTROL 10 +3.3V TRIM to independently adjust the output voltages ±5%. Adjustments to the output 3.3V RTRIM UP voltages can be accomplished via a trim pot, Figure 2, or a single fixed resistor as shown in Figures 3 and 4. A single fixed resistor can increase or decrease 6.27 3.16 –15 –14.3 5V RT (kΩ) = 3.3V RT (kΩ) = UP UP the output voltage depending on its connection. Fixed resistors should have VO – 5 VO – 3.3 absolute TCR's less than 100ppm/°C to minimize sensitivity to changes in Figure 4. Trim Connections To Increase Output Voltages Using Fixed Resistors temperature. A single resistor connected from the 5V Trim pin (pin 7) to the +5V Output Note: Resistor values are in kΩ. Accuracy of adjustment is subject to (pin 5), see Figure 3, will decrease the +5V output voltage. A resistor con- tolerances of resistors and factory-adjusted output accuracy. nected from the +5V Trim (pin 7) to the +5V Return (pin 6) will increase the VO = desired output voltage. +5V output voltage. See Figure 4. Typical Performance Curves Similarly, the 3.3V output can be adjusted using a single resistor connected from the +3.3V Trim (pin 10) to the +3.3V Output (pin 9) or to the +3.3V Return Output Power vs. Ambient Temperature (pin 8). See Figures 3 and 4. (VIN nominal, natural convection air flow.) 35 D24A, D48A MODELS 30 5 +5V OUTPUT 25 1 +INPUT 20kΩ 7 +5V 5-22 D12A MODELS +5V TRIM LOAD 20 TURNS 2 –INPUT 6 +5V RETURN 15 8 +5V +3.3V RETURN 3 ON/OFF 10 CONTROL 20kΩ 10 +3.3V +3.3V TRIM 5-22 LOAD +3.3V 4 TURNS 5 ON/OFF 9 CONTROL +3.3V OUTPUT 0 –40 –10 0102030405060708090 100 Figure 2. Trim Connections Using A Trim Pot Ambient Temperature (°C) www.murata-ps.com/support MDC_BWR30.E02 Page 4 of 6 Output Power (watts) Dual Output BWR Models Mixed Voltage, 5V and 3.3V, Independent Dual Output 30 Watt DC/DC Converters Typical Performance Curves D24A Models: Efficiency vs. Line and Load Typical Start-Up from VIN (VIN = nominal, 5V @ 3A/3.3V @ 4.25A, 0.47µF output capacitors.) 89 88 VIN 87 5V@3A, 3.3V@2.325A 86 85 84 5V@1.65A, 3.3V@4.25A 83 5V@3A, 3.3V@0.4A 5VOUT 82 81 5V@0.3A, 3.3V@4.25A 3.3VOUT 80 79 18 24 30 36 Line Voltage (Volts) 2.5msec/div D12A Models: Efficiency vs. Line and Load D48A Models: Efficiency vs. Line and Load 87 89 5V@3A, 3.3V@4.25A 85 87 5V@3A, 3.3V@2.325A 83 85 5V@3A, 3.3V@0A 81 83 79 81 5V@0.3A, 3.3V@4.25A 5V@3A, 3.3V@0.4A 77 5V@0A, 3.3V@4.25A 79 5V@1.65A, 3.3V@4.25A 75 77 10 11.14 12.29 13.43 14.57 15.71 16.86 18 36 48 60 75 Line Voltage (Volts) Line Voltage (Volts) www.murata-ps.com/support MDC_BWR30.E02 Page 5 of 6 Efficiency (%) Efficiency (%) Efficiency (%) Dual Output BWR Models Mixed Voltage, 5V and 3.3V, Independent Dual Output 30 Watt DC/DC Converters Options and Adaptations MECHANICAL SPECIFICATIONS Optional Functions The dual output BWR 30W DC/DC offer various electrical and mechanical Model BWR-5/3-3.3/4.25-D48A-30721 options. Per the Ordering Guide on page 2, the trailing "A" (A-Series) in each part number pertains to the base part number. Part-number suffixes are added 2.00 (50.08) after the "A," indicating the selection of standard options. The resulting part PLASTIC CASE number is a "standard product" and is available to any customer desiring that Case C22A 0.48 particular combination of options, as described below. (12.19) Suffix Description STANDOFF 0.040 ±0.001 DIA. 0.020 (0.51) Blank On/Off Control functions with positive polarity in pin 3 (5V) and pin 4 (1.016 ±0.025) 0.110 ±0.010 (3.3V) positions. The pin length remains at 0.2 inches (5.08 mm). (2.8 ±0.25) 1.800 0.10 (45.72) N On/Off Control function with negative polarity in pin 3 (5V) and pin 4 (2.54) (3.3V) positions. L1 Trim the pin length to 0.110 ±0.010 inches (2.79 ±0.25mm). This 5 option requires a 100-piece minimum order quantity. 0.200 (5.08) L2 Trim the pin length to 0.145 ±0.010 inches (3.68 ±0.25mm). This 6 option requires a 100-piece minimum order quantity. 1.200 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 configurations available on BWR 30W DC/DC's. 4 Because designating each of them with a standard part-number suffix is not 8 0.40 always feasable, such are designated by MPS in assigning a 5-digit "adapta- (10.16) 0.100 tion code" after the part-number suffixes. Once a configuration has been (2.54) BOTTOM VIEW requested by a customer and created by MPS, the resulting product is available DIMENSIONS ARE IN INCHES (MM) to any customer as a "standard" off-the-shelf product. Contact MPS directly if you are interested in your own set of options/adaptations. Our policy for I/O Connections minimum order quantities may apply. Pin Function P60 Consequently, the following product is offered for sale: 1 +Input BWR-5/3-3.3/4.25-D48A-30721 2 –Input BWR-5/3-3.3/4.25-D48A-30721-Y (RoHS-5) 3 No Pin Standard product, 48Vin, 5V/3A and 3.3V/4.25A outputs with modified pinout 4 On/Off Control C22A/P60 (competitor-compatible pin out), positive common On/Off logic for both outputs, modified Trim function for 3.3Vout (no trim for 5Vout) and Common 5 +5V Output return pin for both outputs. Trimmed pin length to 0.110 inches (2.8 mm). 6 Output Return RoHS-5 compliance refers to the exclusion of the six hazardous substances 7 +3.3V Output in the RoHS specification with the excepion of lead. Murata Power Solutions' 8 +3.3V Trim RoHS-5 products use all the conforming RoHS materials, however our solders may contain lead. 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. Specifications are subject to change without notice. © 201 8 Murata Power Solutions, Inc. www.murata-ps.com/support MDC_BWR30.E02 Page 6 of 6