DC-DC 120 Watts xppower.com MQP Series • 9.5 VDC to 40 VDC Input • MIL-STD-461E Compliance • Isolated Output • Regulated Output • Continuous Short Circuit Protection • Five-Sided Metal Case • Rugged Construction Specification Input Input Voltage Range Input Current Input Transient Undervoltage Lockout Protection General • 9.5-40 VDC • See models & ratings table • MIL-STD-1275A-D, MIL-STD-704A when used in conjuction with DSF200/DSF500 filter module (see application notes) • 9.0-9.1 VDC Output Output Voltage Output Voltage Adjustment Minimum Load Line Regulation Load Regulation Turn-on Time Ripple & Noise Overvoltage Protection Overcurrent Protection Short Circuit Protection Overtemperature Protection Current Share • See models & ratings table • 70-110% • • • • • • • • • No minimum load required ±0.6% ±0.6%, 10-100% load Typically 100 ms 3%, 20 MHz BW 120% typical 108-115% (see application notes) Continuous +101°C to +107 °C case temperature • Max 4 modules, derate total output current to 90% (see application notes) Efficiency Isolation Voltage Switching Frequency Power Density Package Style MTBF • See model & ratings table • 3000 VAC Input to Output 1500 VAC Input to Case 1500 VAC Output to Case • Typically 300 kHz • Up to 26.7 W/In3 • Baseplate cooled • 1 MHrs +25 °C Environmental Operating Temperature • -40 °C to +85 °C Storage Temperature • -50 °C to +125 °C Case Temperature • +100 °C max, thermal resistance case to ambient (θCA) 5.5 °C/W Shock Vibration • EN61373 Category 1, Class B • EN61373 Category 1, Class B EMC & Safety Conducted Emissions Conducted Susceptibility Immunity • MIL-STD-461E with external components (see application notes) • MIL-STD-461E CS101, CS114, CS115, CS116 with DSF200LV filter (see application notes) • MIL-STD-1275A-D with DSF200LV filter (see application notes) Output Voltage 3.3 5.0 12.0 15.0 24.0 Output Current VDC VDC VDC VDC VDC 18.2 16.0 7.9 7.0 4.8 Typical Input Current(2) A A A A A 2.8 3.6 4.3 4.7 5.1 A A A A A Efficiency Max Output Power 76% 78% 79% 79% 80% 60 80 95 105 115 W W W W W Model Number(1) MQP12028S3V3 MQP12028S05 MQP12028S12 MQP12028S15 MQP12028S24 Notes 1. For integrated heatsink models add suffix ‘-H’ to model number. 2. 28 V input at full load. Mechanical Details 3.46 (88.0) 2.56 (65.0) ø0.04 (1.0) 0.27 (6.9) 0.25 (6.3) 3.74 (95.0) 0.45 (11.5) 0.40 (10.1) MQP120 3.41 (86.7) 1.32 (33.5) 1 0.14 (3.5) Top View PCB Track Clearance Area 1 3 4 6 7 8 9 16 17 24 25 2.28 (58.0) ø0.47 (12.0) 29 30 PIN CONNECTIONS Pin Function 1 Case 3 +Vin 4 +Vin 6 -Vin 7 -Vin 8 En 9 St 16 Ot 17 Tr 24 -Vout 25 -Vout 29 +Vout 30 +Vout ø0.14 (3.6) 0.14 (3.5) 2.90 (73.7) 0.26 (6.5) MQP120-H 3.74 (95.0) 3.46 (88.0) ø0.04 (1.0) 3.41 (86.7) 1.32 (33.5) 1 0.14 (3.5) Top View PCB Track Clearance Area 1 3 4 6 7 8 9 16 17 25 2.28 (58.0) ø0.47 (12.0) 29 ø0.14 (3.6) 0.14 (3.5) 0.26 (6.5) 2.90 (73.7) 0.27 (6.9) 0.25 (6.3) 1.39 (35.4) 2.56 (65.0) DC-DC MQP Series Models and Ratings MQP120 vs ambient temperature (module only) 120 100 Output Power (Watts) 80 3v3 5 12 15 24 60 40 20 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature (°C) MQP120-H vs ambient temperature (integrated heatsink) 120 100 Output Power (Watts) 80 3v3 5 12 15 24 60 40 20 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature (°C) Heatsink requirements for maximum output power °C/W 6 5 Heatsink Performance (°C/W) DC-DC MQP Series Derating Curves 4 3v3 5 12 15 24 3 2 1 0 85 80 70 60 50 40 Ambient Temperature (°C) 30 20 10 0 Efficiency vs Load 90% 85% Efficiency % 80% 9V Input 12V Input 28V Input 40V Input 75% 70% 65% 60% 0% 20% 40% 60% 80% 100% Load % Typical Overcurrent Protection 120.0 100.0 Vout / % 80.0 60.0 40.0 20.0 0.0 0 10 20 30 40 50 60 70 80 90 100 110 120 Iout / % Application Notes Output Adjustment (Tr) +V TRIM DOWN Tr TRIM UP -V Model MQP12028S3V3 MQP12028S05 MQP12028S12 MQP12028S15 MQP12028S24 OUTPUT ADJUSTMENT RANGE Minimum Maximum Trim Down 3.3 V 3.6 V 0.0 Ω 4.3 V 5.5 V 85.0 Ω 8.4 V 13.2 V 2.0 Ω 10.5 V 16.5 V 1.3 kΩ 16.8 V 26.4 V 5.4 kΩ Trim Up 1.0 kΩ 2.4 kΩ 1.0 kΩ 1.3 kΩ 1.6 kΩ DC-DC MQP Series Typical Efficiency (MQP12028S24) DC-DC MQP Series Application Notes Enable (En) + Input En floating = Output on En connected -Vin = Output off MQP120 - En Input current typically 10 mA with output inhibited. Parallel Operation Start-up (St) If the MQP120 modules are to be used in parallel a droop share methodology must be used to ensure that each converter shares the load equally. The ‘St’ pins should be connected together to ensure reliable start-up. RDroop + + Input MQP120 - - St Load RDroop + + St MQP120 - - Overtemperature Warning (Ot) Open collector transistor gives +5 °C warning of thermal shutdown. Transistor is referenced to -Vout. Module Max 25 V 30 mA Ot Collector Pin 16 Transistor On : Temp warning Transistor Off : Temp OK -Vout MQP Series Application Notes Conducted EMI MQP12028S24, Limit MIL-STD-461E 2.2 mH + + 470 µf Vin MQP12028S24 4.7 nf Case - RLoad 4.7 nf 4.7 nf M R Conducted EMI MQP12028S24, Limit MIL-STD-461E + + 470 µf Vin MQP12028S24 DSF200LV 4.7 nf Case RLoad 4.7 nf 4.7 nf 28-Feb-08