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| TOTAL POWER INT'L MDW1000 Series Single and Dual Outputs 2 Watts 2 :1 Wide Input Range DC/DC Converters Key Features High Efficiency up to 80% 2:1 Input Range I/O Isolation 1500VDC Industry Standard Pinout SMT Technology Short Circuit Protection MTBF > 1,000,000 Hours Low Ripple and Noise EMI Complies With EN55022 Class A MDW1000-Series power modules are low-profile dc-dc converters that operate over input voltage ranges of 4.5-9VDC, 9-18VDC, 18-36VDC and 36-72VDC and provide precisely regulated output voltages of 3.3V, 5V, 12V, 15V, {5V, {12V and {15V. The -40 ]+65 ] operating temperature range makes it ideal for data communication equipments, mobile battery driven equipments, distributed power systems, telecommunication equipments, mixed analog/digital subsystems, process/machine control equipments, computer peripheral systems and industrial robot systems. The modules have a maximum power rating of 2 and a typical full-load efficiency of 80 ] , continuous short circuit, 60mV output ripple, built-in filtering for both input and output minimizes the need for external filtering. Low Noise $ Low Cost EMI EN55022 1500 VDC I/O Isolation Low Profile 2:1 Wide Range Block Diagram Single Output Dual Output +Vin LC Filter +Vo +Vin LC Filter +Vo Com. -Vo PFM Isolation Ref.Amp PFM Isolation Ref.Amp -Vo -Vin -Vin MDW1000 Series Model Selection Guide Model Number Input Voltage VDC MDW1011 MDW1012 MDW1013 MDW1014 MDW1015 MDW1016 MDW1017 MDW1021 MDW1022 MDW1023 MDW1024 MDW1025 MDW1026 MDW1027 MDW1031 MDW1032 MDW1033 MDW1034 MDW1035 MDW1036 MDW1037 MDW1041 MDW1042 MDW1043 MDW1044 MDW1045 MDW1046 MDW1047 Output Voltage VDC 3.3 5 12 15 {5 {12 {15 3.3 5 12 15 {5 {12 {15 3.3 5 12 15 {5 {12 {15 3.3 5 12 15 {5 {12 {15 Output Current Max. mA 500 400 167 134 {200 {83 {67 500 400 167 134 {200 {83 {67 500 400 167 134 {200 {83 {67 500 400 167 134 {200 {83 {67 Min. mA 125 100 42 33 {50 {21 {17 125 100 42 33 {50 {21 {17 125 100 42 33 {50 {21 {17 125 100 42 33 {50 {21 {17 Input Current @Max. Load mA (Typ.) 471 548 534 582 667 615 598 184 217 209 220 242 224 226 96 109 109 108 119 112 110 49 57 53 55 62 57 57 @No Load mA (Typ.) Reflected Ripple Current mA (Typ.) Efficiency @Max. Load % (Typ.) 70 73 75 73 64 69 71 73 77 80 80 73 78 78 72 77 80 81 74 78 80 71 73 79 79 71 77 77 5 ( 4.5 ~ 9 ) 40 100 12 ( 9 ~ 18 ) 20 25 24 ( 18 ~ 36 ) 10 15 48 ( 36 ~ 72 ) 8 10 Absolute Maximum Ratings Parameter 5VDC Input Models 12VDC Input Models Input Surge Voltage ( 1000 mS ) 24VDC Input Models 48VDC Input Models Lead Temperature (1.5mm from case for 10 Sec.) Internal Power Dissipation Min. -0.7 -0.7 -0.7 -0.7 ----Max. 11 25 50 100 260 1,800 Unit VDC VDC VDC VDC ] mW Note : 1. Specifications typical at Ta=+25], resistive load, nominal input voltage, rated output current unless otherwise noted. 2. Transient recovery time is measured to within 1% error band for a step change in output load of 50% to 100%. 3. Ripple & Noise measurement bandwidth is 0-20 MHz. 4. These power converters require a minimum output loading to maintain specified regulation. 5. Operation under no-load conditions will not damage these devices; however they may not meet all listed specifications. Min. Max. -40 +65 -40 +90 -40 +125 --95 Free-Air Convection Unit ] ] ] % 6. All DC/DC converters should be externally fused on the front end for protection. 7. Other input and output voltage may be available, please contact factory. 8. Specifications subject to change without notice. Exceeding these values can damage the module. These are not continuous operating ratings. Environmental Specifications Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conditions Ambient Case MDW1000 Series Input Specifications Parameter Start Voltage Model 5V Input Models 12V Input Models 24V Input Models 48V Input Models Under Voltage Shortdown 5V Input Models 12V Input Models 24V Input Models 48V Input Models Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Min. 3.5 4.5 8 16 ------------Typ. 4 7 12 24 3.5 6.5 11 22 ----Pi Filter Max. 4.5 9 18 36 4 8.5 17 34 1 1500 A mW VDC Unit Output Specifications Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise (20MHz) Ripple & Noise (20MHz) Ripple & Noise (20MHz) Over Power Protection Transient Recovery Time Transient Response Deviation Temperature Coefficient Output Short Circuit 25% Load Step Change Over Line,Load & Temp Dual Output Balance Load Vin=Min. to Max. Io=25% to 100% Conditions Min. --------------120 ------Continuous Typ. {1.0 {1.0 {0.3 {0.5 30 ------100 {3 {0.01 Max. {2.0 {2.0 {0.5 {0.75 50 75 15 --300 {5 {0.02 Unit % % % % mV P-P mV P-P mV rms. % uS % %/] General Specifications Parameter Isolation Voltage Isolation Test Voltage Isolation Resistance Isolation Capacitance Switching Frequency MTBF MIL-HDBK-217F @ 25], Ground Benign Conditions 60 Seconds Flash Tested for 1 Second 500VDC 100KHz,1V Min. 1500 1650 1000 ----1000 Typ. ------250 300 --Max. ------420 ----Unit VDC VDC M[ pF KHz K Hours Capacitive Load Models by Vout Maximum Capacitive Load Note: # For each output . 3.3V 2200 5V 1000 12V 170 15V 110 {5V # 470 {12V # 100 {15V # 47 Unit uF MDW1000 Series Input Fuse Selection Guide 5V Input Models 1000mA Slow - Blow Type 12V Input Models 500mA Slow - Blow Type 24V Input Models 250mA Slow - Blow Type 48V Input Models 120mA Slow - Blow Type Input Voltage Transient Rating 150 140 130 120 110 100 Vin ( VDC ) 90 80 70 60 50 40 30 20 10 0 10uS 100uS 1mS 10mS 100mS 5VDC Input Models 12VDC Input Models 24VDC Input Models 48VDC Input Models MDW1000 Series 100 90 100 90 Efficiency (%) 70 60 50 40 Efficiency (%) Low Nom High 80 80 70 60 50 40 Low Nom High Input Voltage (V) Input Voltage (V) Efficiency vs Input Voltage ( Single Output ) Efficiency vs Input Voltage ( Dual Output ) 90 80 Efficiency (%) 70 60 50 40 30 10 20 40 60 80 100 90 80 70 60 50 40 30 Efficiency(%) 10 20 40 60 80 100 Load Current (%) Load Current (%) Efficiency vs Output Load ( Single Output ) Efficiency vs Output Load ( Dual Output ) 100 80 Output Power (%) 100LFM Natural convection 400LFM 60 200LFM 40 20 0 -40 50 60 70 80 ] 90 100 110 Ambient Temperature Derating Curve MDW1000 Series Test Configurations Input Reflected-Ripple Current Test Setup To Oscilloscope + Battery + Lin Current Probe +Vin +Out Load Overcurrent Protection To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited duration. At the point of current-limit inception, the unit shifts from voltage control to current control. The unit operates normally once the output current is brought back into its specified range. DC / DC Converter -Vin -Out Cin Input Source Impedance The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the power module. In applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor on the input to insure startup. By using a good quality low Equivalent Series Resistance (ESR < 1.0[ at 100 kHz) capacitor of a 8.2uF for the 5V input devices, a 3.3uF for the 12V input devices and a 1.5uF for the 24V and 48V devices, capacitor mounted close to the power module helps ensure stability of the unit. Input reflected-ripple current is measured with a inductor Lin (4.7uH) and Cin (220uF, ESR < 1.0[ at 100 kHz) to simulated source impedance. Capacitor Cin, offsets possible battery impedance. Current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500KHz. Peak-to-Peak Output Noise Measurement Test Use a Cout 0.47uF ceramic capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20 MHz. Position the load between 50 mm and 75 mm from the DC/DC Converter. +Vin Single Output DC / DC Converter -Vin -Out +Out Copper Strip Cout Resistive Scope Load + DC Power Source + Cin +Vin DC / DC Converter -Vin +Out Load -Out Output Ripple Reduction +Vin Dual Output DC / DC Converter -Vin +Out Com. Cout -Out Scope Copper Strip Cout Scope Resistive Load A good quality low ESR capacitor placed as close as practicable across the load will give the best ripple and noise performance. To reduce output ripple, it is recommended that 3.3uF capacitors are used on output. + +Vin Single Output DC / DC Converter -Vin +Out Design & Feature Considerations Maximum Capacitive Load The MDW1000 series has limitation of maximum connected capacitance on the output. The power module may operate in current limiting mode during start-up, affecting the ramp-up and the startup time. For optimum performance we recommend maximum 1000uF capacitive load for dual outputs and 4000uF capacitive load for single outputs. Connect capacitors at the point of load for best performance. The maximum capacitance can be found in the data. DC Power Source - Cout -Out Load + DC Power Source - +Vin +Out Dual Output DC / DC Com. Converter Cout Load -Vin -Out MDW1000 Series Thermal Considerations Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module, and board spacing. To avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 90C. The derating curves were determined from measurements obtained in an experimental apparatus. Position of air velocity probe and thermocouple 15mm / 0.6in 50mm / 2in Air Flow DUT MDW1000 Series Mechanical Data 23.8[0.94] Top View ( 2.54 mm / 0.1 inch grids ) Connecting Pin Patterns Single Output 0.5[0.02] Side 2.54[0.1] 3.8[0.15] 0.5[0.02] 7.62[0.3] Dual Output 1 7 8 10.16[0.4] 10 9 Bottom 16 Tolerance Millimeters .X{0.25 .XX{0.25 {0.05 Inches .XX{0.01 .XXX{0.01 {0.002 Pin Pin Connections Pin 1 7 8 9 10 16 Single Output -Vin NC NC +Vout -Vout +Vin Dual Output -Vin NC Common +Vout -Vout +Vin 13.7[0.54] Physical Characteristics 23.8*13.7*7.62 mm 0.94*0.54*0.3inches Non-Conductive Black Plastic 5.1g UL94V-0 Case Size : : : : Case Material Weight Flammability NC:No Connection. Units are encapsulated in a low thermal resistance molding compound which has excellent chemical resistance and electrical properties in high humidity environments and over a wide operating temperature range. The encapsulant and outer shell of the unit have UL94V-0 ratings. Lead is solder plated surface to allow ease of solderability. |
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