DSM/DWR Models www.murata-ps.com Dual Output, 3.3V and 5V, 15Watt DC/DC Converters FEATURES  Regulated 5V and 3.3V outputs  5V @ 2.65Amps/3.3V @ 3 Amps capability Typical units  15 Watts total output power  1" x 2" SMT or through-hole package  Available input voltage ranges: 10-18V, 18-36V or 36-75V  No-load stable operation  UL/EN60950-1 safety approvals PRODUCT OVERVIEW  mark available (75V-input models) For surface mount or through-hole applications requiring 15 Watts of power from 5V and 3.3V, DATEL  Continuous short-circuit protection offers a new power sharing DC/DC converter capable of meeting your output current requirements. The  DSM/DWR series is available with three different input voltage ranges: 36-75V input (D48), 18-36V input Fully isolated, 1500Vdc guaranteed (D24) or 10-18V input (D12). These converters are fully isolated and capable of delivering any combina-  –40 to +100°C operating temperature tion of 5V and 3.3V output current up to a combined total of 15 Watts of output power.  Input under and overvoltage shutdown Housed in 1" x 2" metal packages coated with electrically non-conductive fi nish, DSM/DWR convert-  Output OVP, thermal shutdown ers are regulated by a 3.3V control loop that provides load regulation of ±0.5% for 3.3V output and ±1.5% for 5V output. All models include input fi ltering, input overvoltage and undervoltage shutdown circuitry, output short- circuit and current-limiting protection, and thermal shutdown. All models provide trim capability and an on/off control function. Fully synchronous output rectifi cation provides high effi ciency (86%) and a stable output under no-load conditions. DSM/DWR power sharing modules offer low output ripple and noise performance, 1500 Vdc isolation voltage, and are fully specifi ed for –40 to +100°C operation. These devices meet IEC950, UL1950 and EN60950-1 safety standards. "D48" models are CE marked (meets LVD requirements). SIMPLIFIED SCHEMATIC +INPUT +5V OUTPUT (5) (1) SWITCH CONTROL +3.3V OUTPUT (8) –INPUT (2) OUTPUT RETURN ON/OFF (7) PWM CONTROL CONTROLLER (3) OPTO REFERENCE & ISOLATION ERROR AMP UV & OV THERMAL COMPARATORS SHUTDOWN TRIM (9) Figure 1. SimpliŢ ed Schematic Typical topology is shown. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 1 of 9 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters Performance SpeciŢ cations and Ordering Guide➀ Output Input Package R/N (mVp-p) ➂ Regulation (Max.) EfŢ ciency VOUT IOUT ➁ VIN Nom. Range IIN ➄ (Case, Model (Volts) (Amps) Typ. Max. Line Load ➃ (Volts) (Volts) (mA) Min. Typ. Pinout) 5 2.65 40 75 ±1% ±1.5% DSM-5/2.65-3.3/3-D12-C C18A, P36 12 10-18 60/1450 83% 86% DWR-5/2.65-3.3/3-D12-C C34, P36 3.3 3 60 100 ±0.5% ±0.5% 5 2.65 40 75 ±1% ±1.5% DSM-5/2.65-3.3/3-D24-C C18A, P36 24 18-36 35/730 83% 85% DWR-5/2.65-3.3/3-D24-C C34, P36 3.3 3 60 100 ±0.5% ±0.5% 5 2.65 40 75 ±1% ±1.5% DSM-5/2.65-3.3/3-D48-C C18A, P36 48 36-75 20/370 83% 85% DWR-5/2.65-3.3/3-D48-C C34, P36 3.3 3 60 100 ±0.5% ±0.5% ➀ Typical at TA = +25°C under nominal line voltage and balanced "full-load" conditions (5V @ 1.5A/3.3V @ 2.25A). ➃ Tested from 250mA to 100% full load (other output at 250mA load). ➄ Nominal line voltage, no load/balanced full-power condition. ➁ Any combination of 5V/3.3V rated IOUT current, not to exceed 15 Watts of output power. (See derating graphs.) ➂ Ripple/Noise (R/N) measured over a 20MHz bandwidth. All models are specifi ed with 0.47µF ceramic in parallel with 100µF tantalum output capacitors. PART NUMBER STRUCTURE DSM - 5 / 2.65 - 3.3 / 3 - D48 LX - C Optional Functions Dual Output: RoHS-6 compliant DSM/DWR 15 Watt DC/DC's are designed with an On/Off Control DSM: Surface-Mount Series➁ function, with positive polarity in the pin 3 position. (Selective soldering only) DWR➀ See Optional Functions } DWR: Through-Hole Series Blank = On/Off Control function (positive polarity) on pin 3 models only Input Voltage Range: V1 Nominal Output Voltage: L1 = Pin length: 0.110 inches (2.79mm) ±0.010 D12 = 10-18 Volts (12V nominal) 5 Volts L2 = Pin length: 0.145 inches (3.68mm) ±0.010 D24 = 18-36 Volts (24V nominal) I1 Maximum Output Current: D48 = 36-75 Volts (48V nominal) ➀ Special quantity order is required; samples available with 2.65 Amps I2 Maximum Output Current: standard pin length only. V2 Nominal Output Voltage: 3 Amps ➁ SMT (M) versions not available in sample quantities. 3.3 Volts ➂ Some model number combinations may not be available. See website or contact your local Murata sales representative. MECHANICAL SPECIFICATIONS I/O Connections Pin Function P36 1 +Input 2 –Input 3 On/Off Control 0.100 0.110 2.00 ±0.03 (2.54) (2.79) (50.80) 4 Case 5 +5V Output 4 9 Case C34 METAL CASE 0.45 6 NC 8 (11.43) 0.800 DWR Models 3 7 Output Return Case C18A (20.32) 1.00 ±0.03 7 4 EQ. SP. @ (25.40) 2 8 +3.3V Output 0.500 DSM Models INSULATED PAD 0.200 (5.08) 0.300 (12.70) 6 9 Trim (7.62) 0.040 ±0.001 DIA. 1 5 (1.016 ±0.025) 0.20 MIN TOP VIEW (5.08) Dimensions are in inches (mm) shown for ref. only. 1.800 0.10 0.10 (45.72) (2.54) (2.54) Third Angle Projection 2.00 ±0.03 1 5 0.110 (50.80) 0.300 0.200 (2.79) (7.62) 6 2 (5.08) 0.800 (20.32) 1.00 ±0.03 0.015 0.060 7 4 EQ. SP. @ 3 (25.40) 0.52 (0.38) (1.52) 0.200 (10.16) 8 (13.21) Tolerances (unless otherwise specified): 4 .XX ± 0.02 (0.5) 9 .XXX ± 0.010 (0.25) INSULATED BASE Angles ± 2˚ BOTTOM VIEW 0.015 0.055 0.10 METAL CASE Components are shown for reference only. (0.38) (1.40) (2.54) www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 2 of 9 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt 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: Short Circuit Current: D12 Models 10-18 Volts (12V nominal) 5V Output 5.5 Amps average, continuous current D24 Models 18-36 Volts (24V nominal) 3.3V Output 3 Amps average, continuous current D48 Models 36-75 Volts (48V nominal) Maximum Capacitive Loading 330µF per output Overvoltage Shutdown: Temperature CoefŢ cient ±0.02% per °C D12 Models 18.5-21 Volts (19V typical) Dynamic Characteristics D24 Models 37-40 Volts (38.5V typical) D48 Models 77-81 Volts (79.5V typical) Dynamic Load Response: ➁ 5V (50-100% step to 98% VOUT) 200µsec maximum (3.3V @ 0.25A) Start-Up Threshold: 3.3V (50-100% step to 98.5% VOUT) 200µsec maximum (5V @ 0.25A) D12 Models 9.4-10 Volts (9.6V typical) D24 Models 16.5-18 Volts (17V typical) Start-Up Time: D48 Models 34-36 Volts (35V typical) VIN to VOUT 10msec On/Off to VOUT 10msec Undervoltage Shutdown: D12 Models 7.0-8.5 Volts (8V typical) Switching Frequency 260kHz (±25kHz) D24 Models 15.5-17.5 Volts (16.5V typical) Environmental D48 Models 32.5-35.5 Volts (33.5V typical) MTBF: ➅ Input Current: D12 Models TBD hours Normal Operating Conditions See Ordering Guide D24 Models 2.1 million hours Standby Mode: D48 Models 2.4 million hours Off, OV, UV, Thermal Shutdown 10mA Operating Temperature: (Ambient): ➁ Input Reţ ected Ripple Current ➇ 10mAp-p Without Derating: –40 to +60°C Internal Input Filter: Capacitive With Derating To +100°C (See Derating Curves) D12 Models 10µF Case Temperature: D24 Models 3.3µF Maximum Operational +100°C D48 Models 1.5µF For Thermal Shutdown 101°C minimum, 115°C maximum Reverse-Polarity Protection: Storage Temperature –40 to +120°C D12 Models 1 minute duration, 3A maximum D24 Models 1 minute duration, 2A maximum Physical D48 Models 1 minute duration, 1A maximum Dimensions See Mechanical Specifi cations On/Off Control: (Pin 3): ➂ ➄ On = open or to +15V, Internal Case Connection Case connection via pin 4 IIN @ 13V = 800µA Case Material Corrosion resistant steel with Off = 0 to 0.8V, IIN @ 0V = 2mA non-conductive, epoxy-based, black Output enamel fi nish and plastic baseplate VOUT Accuracy: Pin Material Gold-plate copper alloy pins or tin-plate 5V Output ±2.5% maximum copper alloy SMT contacts 3.3V Output ±1.5% maximum Weight 1.6 ounces (46 grams) Minimum Loading Per SpeciŢ cation ➆ 250mA Primary to Secondary Insulation Level Operational Minimum Load For Stability No load Ripple/Noise (20MHz BW) ➃ See Ordering Guide ➀ Balanced "full-load" is 5V @ 1.5A/3.3V @ 2.25A. All models are specifi ed with external Line/Load Regulation See Ordering Guide 0.47µF ceramic and 100µF tantalum output capacitors. EfŢ ciency See Ordering Guide / Effi ciency Curves ➁ See Technical Notes/Graphs for details. Cross Regulation: ➂ Applying a voltage to On/Off Control (pin 3) when no input power is applied to the 5V Output converter can cause permanent damage. (5V@1.5A, 3.3V@0.25-2.25A) ±2% ➃ Output noise may be further reduced with the installation of additional external output 3.3V Output capacitors. See Technical Notes. (3.3V@2.25A, 5V@0.25-1.5A) ±0.5% ➄ On/Off control is designed to be driven with open collector or by appropriate voltage levels. Voltages must be referenced to the –Input (Pin 2). Trim Range ➁ ±5% ➅ Demonstrated MTBF available on request. Isolation Voltage: ➆ For conditions with less than minimum loading, outputs remain stable. However, regulation Input-to-Output 1500Vdc minimum performance will degrade. Input-to-Case 1000Vdc minimum ➇ Input Ripple Current is tested/specifi ed over a 5-20MHz bandwidth with an external 22µF Output-to-Case 1000Vdc minimum input capacitor and a simulated source impedance of 220µF and 12µH. See I/O Filtering, Input Ripple Current and Output Noise for details. Isolation Capacitance 560pF Isolation Resistance 100MΩ Current Limit Inception: 5V @ 95% VOUT (3.3V @ 0.25A) 3.3-4 Amps 3.3V @ 97% VOUT (5V @ 0.25A) 4.7-5.7 Amps www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 3 of 9 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters Absolute Maximum Ratings D48 models). Once operating, devices will not turn off until the input voltage Input Voltage: drops below the Undervoltage Shutdown limit (34V for D48 models). Subse- Continuous: D12 Models 21 Volts quent re-start will not occur until the input is brought back up to the Start-Up D24 Models 40 Volts Threshold. This built in hysteresis prevents any unstable on/off situations from D48 Models 81 Volts occurring at a single input voltage. Transient (100msec): D12 Models 25 Volts D24 Models 50 Volts Input voltages exceeding the input overvoltage shutdown specifi cation listed D48 Models 100 Volts in the Performance/Functional Specifi cations will cause the device to shut- Input Reverse-Polarity Protection: ➁ Input Current must be limited. 1 minute down. A built-in hysteresis of 0.6 to 1.6 Volts for all models will not allow the duration. Fusing recommended. D12 Models 3 Amps converter to restart until the input voltage is suffi ciently reduced. D24 Models 2 Amps Start-Up Time D48 Models 1 Amps Output Current ➁ Current limited. Devices can withstand The VIN to VOUT start-up time is the interval of time where the input voltage an indefi nite output short circuit. crosses the turn-on threshold point, and the fully loaded output voltage enters On/Off Control (Pin 3) Max. Voltages: and remains within its specifi ed accuracy band. Actual measured times will Referenced to –Input (pin 2) +15V vary with input source impedance, external input/output capacitance, and Storage Temperature –40 to +120°C the slew rate of the input voltages. The XWR 15 Watt Series implements a Lead Temperature (Soldering, 10 sec.) +300°C soft start circuit that limits the duty cycle of the PWM controller at power up, thereby limiting the Input Inrush current. These are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those The On/Off Control to VOUT start-up time assumes the converter has its listed in the Performance/Functional Specifi cations Table is not implied, nor recommended. nominal input voltage applied but is turned off via the On/Off Control pin. The specifi cation defi nes the interval between the time at which the converter is TECHNICAL NOTES turned on and the fully loaded output voltage enters and remains within its specifi ed accuracy band. Similar to the VIN to VOUT start-up, the On/Off Control Isolation / Case Connection to VOUT start-up time is also governed by the internal soft start circuitry and The XWR Series’ 5V and 3.3V outputs (pins 5 & 8) with its common return (pin external load capacitance. 7) are isolated from the +VIN and –VIN inputs (pins 1 & 2) via a transformer On/Off Control and an opto-coupled transistor. The On/Off Control (pin 3) may be used for remote on/off operation. As shown The DC/DC converter’s case is internally connected to pin 4. This allows in Figure 1, the control pin is referenced to the –Input (pin 2) and will be inter- circuit specifi c grounding of the case on either the input or the output side, or nally pulled to a high state. The XWR Series is designed so that it is enabled leaving the case disconnected, i.e. “fl oating.” when the control pin is left open (pulled high) and disabled when the control Input Fusing pin is pulled low (less than +0.8V relative to –Input). Certain applications and/or safety agencies may require the installation of Dynamic control of the on/off function is best accomplished with a mechani- fuses at the inputs of power conversion components. Fuses should also be cal relay or an open-collector/open-drain circuit (optically isolated if appropri- used if the possibility of a sustained, non-current-limited, input-voltage polar- ate). The drive circuit should be able to sink approximately 1 mA for logic low. ity reversal exists. For XWR 15 Watt Series Converters, it is recommended to The on/off control function is designed such that the converter can be install slow blow fuses with values no greater than the following, in the +Input disabled while the input power is ramping up, and then “released” once the line. input has stabilized. VIN Range Fuse Value D12 Models 3 Amps D24 Models 2 Amps +Vcc D48 Models 1 Amps 13V CIRCUIT Input Reverse-Polarity Protection 3 ON/OFF Upon applying a reverse-polarity voltage to the DC/DC converter, an internal CONTROL 5V CIRCUIT diode will be forward biased, drawing excessive current from the power source. Therefore, it is required that the input current be limited by either an appropriately rated input fuse or a current limited power source. 2 –INPUT Input Overvoltage/Undervoltage Shutdown and Start-Up Threshold Under normal start-up conditions, devices will not begin to regulate until the ramping-up input voltage exceeds the Start-Up Threshold Voltage (35V for Figure 2. Internal On/Off Control circuitry www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 4 of 9 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters 5V & 3.3V Regulation Trimming Output Voltages The XWR Series converters are designed such that both the 5V and 3.3V out- The DSM/DWR converters have a trim capability (pin 9) that allow users puts share a common regulation feedback control loop. Though the feedback to adjust the output voltages ±5%. A trim adjustment will cause an equal loop is infl uenced by both outputs, the 3.3 Volt output is dominant. As a result, percentage of change in both outputs. Adjustments to the output voltages can the 3.3 Volt regulation (0.5%) is superior to the 5 Volt regulation (1.5%). be accomplished via a trim pot, Figure 3, or a single fi xed resistor as shown in Figures 4 and 5. A single fi xed resistor can increase or decrease the output The converters are specifi ed for load regulation of minimum (250mA) to 100% voltage depending on its connection. Fixed resistors should have absolute TCR's loading. All models are stable under no-load conditions, but operation below less than 100ppm/°C to minimize sensitivity to changes in temperature. minimum load mandates an increase in the regulation tolerance of ±0.5% for 3.3 Volt output and an increase of ±1% for the 5 Volt output. A slight increase A single resistor connected from the Trim pin (pin 9) to the +3.3V Output (pin 8), in switching noise may also be observed for operation below minimum load- see Figure 4, will decrease the output voltages. A resistor connected from the ing. Operation with a full load on 3.3 Volt output and light to no load on 5 Volt Trim pin (pin 9) to Output Return (pin 7) will increase the output voltages. output is the most demanding for +5V regulation. Trim adjustments greater than 5% can have an adverse effect on the con- verter's performance and is not recommended. Filtering and Noise Reduction The XWR Series Converters achieve their rated ripple and noise specifi ca- 5 1 +5V OUTPUT tions with the use of 0.47µF ceramic in parallel with 100µF tantalum output +INPUT capacitors. In critical applications, input/output noise may be further reduced +5V LOAD 2 7 OUTPUT by installing additional external I/O capacitors. Input capacitors should be –INPUT RETURN 20kΩ selected for bulk capacitance, low ESR and high rms-ripple-current ratings. 3 ON/OFF 5-22 +3.3V LOAD CONTROL Turns Output capacitors should be selected for low ESR and appropriate frequency 8 4 +3.3V OUTPUT response. All caps should have appropriate voltage ratings and be located as CASE TRIM close to the converter as possible. 9 Thermal Shutdown Figure 3. Trim Connections Using A Trimpot These XWR converters are equipped with Thermal Shutdown Circuitry. If 5 the internal temperature of the DC/DC converter rises above the designed 1 +5V OUTPUT +INPUT operating temperature, a precision temperature sensor will power down the +5V LOAD 2 unit. When the internal temperature decreases below the threshold of the 7 OUTPUT –INPUT RETURN temperature sensor, the units will self start. 3 ON/OFF +3.3V LOAD CONTROL Current Limiting 8 4 +3.3V OUTPUT CASE TRIM When power demands from either output fall within 120% to 190% of the 9 R TRIM rated output current, the DC/DC converter will go into a current limiting mode. DOWN In this condition, both output voltages will decrease proportionately with 2.49(VO – 1.234) RT (kΩ) = –14 increases in output current, thereby maintaining a somewhat constant power DOWN 3.3 – VO dissipation. Figure 4. Decrease Output Voltage Trim Connections This is commonly referred to as power limiting. Current limit inception is Using A Fixed Resistor defi ned as the point where the full-power output voltage falls below the specifi ed tolerance. If the load current being drawn from the converter is 5 signifi cant enough, the unit will go into a short circuit condition. See “Short 1 +5V OUTPUT +INPUT Circuit Condition.” +5V LOAD 2 7 OUTPUT –INPUT Short Circuit Condition RETURN 3 ON/OFF +3.3V LOAD CONTROL When a converter is in current limit mode the output voltages will drop as 8 4 +3.3V OUTPUT the output current demand increases. If the output voltage drops too low, the CASE magnetically coupled voltage used to develop primary side voltages will also TRIM 9 R TRIM drop, thereby shutting down the PWM controller. UP 3.073 Following a time-out period of 5 to 15 milliseconds, the PWM will restart, –14 RT (kΩ) = UP VO – 3.3 causing the output voltages to begin ramping to their appropriate values. If the short-circuit condition persists, another shutdown cycle will be initi- Figure 5. Increase Output Voltage Trim Connections ated. This on/off cycling is referred to as “hiccup” mode. The hiccup cycling Using A Fixed Resistor reduces the average output current, thereby preventing internal temperatures from rising to excessive levels. The modules are capable of enduring an Accuracy of adjustment is subject to tolerances or resistor values and factory- indefi nite short circuit output condition. adjusted output accuracy. VO = desired output voltage. www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 5 of 9 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters Recommended PC Board Layout SMT Solder Process for DSM models A single pc board layout could accommodate both the through-hole and the For the surface-mount DSM models of the XWR Series, the packages’ gull- SMT models of the XWR Series as per the fi gure below. Note that on page 2 wing leads are made of tin-plated (150 micro inches) copper. The gull-wing of this data sheet, the DWR through-whole package is drawn with a bottom confi guration, as opposed to “J” leads, was selected to keep the solder joints view of its pin locations, and the DSM surface-mount package is drawn with out from under the package to minimize both, heat conduction away from the a top view of its pin locations. As shown, the through-hole pin locations, when leads (into the encapsulated package) and shadowing effects. viewed from the top, fall just aside (on 1.8 inch centers) the SMT pin loca- DSM modules do not currently withstand the standard solder-refl ow process tions, which essentially begin on 2.1 inch centers. with its most common temperature profi les. In order to avoid damage to the The layout shows +Input and Case grounded on the primary side. Applica- converter a selective solder process with the following parameters must tion dependant the primary ground could of course also be connected to therefore be chosen (i.e. hot air gun or a hand soldering method): -Input and Case. Creepage and clearance distances between input and output Pre-heat phase 30-60°C rise/minute to 150°C maximum. should comply with all relevant safety regulations. Lead temperature 300°C for 10 seconds maximum. 2.00 (50.80) A As shown in Figure 7, our tests have determined the optimal landing-pad size 1.800 (45.72) A to be 160 mils by 130 mils (4 x 3.3 mm). 4 9 0.300 (7.62) 8 3 1.00 Case C34 7 (25.40) 2 6 0.200 (5.08) 1 5 TOP VIEW 0.800 (20.32) 4 EQ. SP. @ PIN LENGTH: 0.20 MIN (5.08) 0.200 (10.16) PIN DIAMETER: 0.040 ±0.001 (1.016 ±0.025) CASE TRIM +3.3V OUTPUT ON/OFF CONTROL OUTPUT RETURN –INPUT N.C. +INPUT +5V OUTPUT POWER GROUND 0.015 (0.38) 0.100 0.110 (2.54) (2.79) 4 9 8 0.800 3 (20.32) 1.00 Case C18A 7 4 EQ. SP. @ (25.40) 2 0.500 0.110** 0.200 (5.08) 0.300 6 0.100** (12.70) 0.130* (2.79) (7.62) (3.30) (2.54) 5 1 0.160* TOP VIEW (4.06) 0.10 * PAD DIMENSION (2.54) ** LEAD DIMENSION I/O Connections Pin Function P36 1 +Input Figure 7 . PC Board Land Pattern 2 –Input 3 On/Off Control 4 Case 5 +5V Output 6 NC 7 Output Return 8 +3.3V Output 9 Trim Figure 6. Recommended Board Layout www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 6 of 9 B B DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters PERFORMANCE DATA D12 Models D24 Models DSM-5/2.65-3.3/3-D24 - Typical 3.3 VOUT Efficiency vs. Load DSM-5/2.65-3.3/3-D12 - Typical 3.3 VOUT Efficiency vs. Load (+5V @ 250mA) (+5V @ 250mA) 90 90 VIN = 18V VIN = 10V 85 85 80 80 VIN = 24V VIN = 12V 75 75 VIN = 36V VIN = 18V 70 70 65 65 60 60 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 +3.3V Output Current (Amps) +3.3V Output Current (Amps) DSM-5/2.65-3.3/3-D12 - Typical 5 VOUT Efficiency vs. Load DSM-5/2.65-3.3/3-D24 - Typical 5 VOUT Efficiency vs. Load (+3.3V @ 250mA) (+3.3V @ 250mA) 90 90 VIN = 10V VIN = 18V 85 85 80 80 VIN = 12V VIN = 24V 75 75 VIN = 18V VIN = 36V 70 70 65 65 60 60 0.3 0.5 0.8 1.1 1.3 1.6 1.9 2.1 2.4 2.7 0.3 0.5 0.8 1.1 1.3 1.6 1.9 2.1 2.4 2.7 +5V Output Current (Amps) +5V Output Current (Amps) DSM-5/2.65-3.3/3-D24 - Efficiency vs. Line and Load DSM-5/2.65-3.3/3-D12 - Efficiency vs. Line and Load 88 88 87 87 86 86 85 85 84 84 VOUT = 5V@2.65A/3.3V@0.25A VOUT = 5V@2.65A/3.3V@0.25A 83 83 VOUT = 5V@1.5A/3.3V@2.25A VOUT = 5V@1.5A/3.3V@2.25A 82 82 VOUT = 5V@0.25A/3.3V@3A VOUT = 5V@0.25A/3.3V@3A 81 81 80 80 10 10.89 11.78 12.67 13.56 14.44 15.33 16.22 17.11 18 18 20 22 24 26 28 30 32 34 36 Input Voltage (Volts) Input Voltage (Volts) www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 7 of 9 Efficiency (%) Efficiency (%) Efficiency (%) Efficiency (%) Efficiency (%) Efficiency (%) DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters PERFORMANCE DATA D48 Models D12, 24, 48 Models DSM-5/2.65-3.3/3-D48 - Typical 3.3 VOUT Efficiency vs. Load Output Power vs. Ambient Temperature VIN = Nominal, Natural Convection (+5V @ 250mA) 16 90 VIN = 36V 14 85 12 80 10 8 75 VIN = 60V 6 VIN = 75V VIN = 48V 70 4 2 65 0 –40 0 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 60 Ambient Temperature ( C) ˚ 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 +3.3V Output Current (Amps) 3TART 5PFROM6). DSM-5/2.65-3.3/3-D48 - Typical 5 VOUT Efficiency vs. Load 6).NOMINAL6 !6 ! (+3.3V @ 250mA) §&||§&TANTALUMOUTPUTCAPACITORS 90 VIN = 36V 85 6). 80 VIN = 60V 6/54 75 VIN = 75V VIN = 48V 70 6/54 65 60 0.3 0.5 0.8 1.1 1.3 1.6 1.9 2.1 2.4 2.7 +5V Output Current (Amps) MSECDIV DSM-5/2.65-3.3/3-D48 - Efficiency vs. Line and Load 88 87 86 85 84 VOUT = 5V@2.65A/3.3V@0.25A 83 VOUT = 5V@1.5A/3.3V@2.25A 82 VOUT = 5V@0.25A/3.3V@3A 81 80 36 40.3 44.7 49 53.3 57.7 62 66.3 70.7 75 Input Voltage (Volts) www.murata-ps.com/support MDC_DSM/DWR Models.D03 Page 8 of 9 Efficiency (%) Efficiency (%) Efficiency (%) Output Power (Watts) 6DIV6 6DIV6 DSM/DWR Models Dual Output, 3.3V and 5V, 15Watt DC/DC Converters 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_DSM/DWR Models.D03 Page 9 of 9