MQP12028S24

DC-DC 120 Watts MQP Series • • • • • • • 9.5 VDC to 40 VDC Input MIL-STD-461E Compliance Isolated Output Regulated Output xppower.com Continuous Short Circuit Protection Five-Sided Metal Case Rugged Construction Specification Input Input Voltage Range Input Current Input Transient • 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 General Efficiency Isolation Voltage • 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 Undervoltage Lockout Protection 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 Switching Frequency Power Density Package Style MTBF 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) • Max 4 modules, derate total output current to 90% (see application notes) DC-DC Models and Ratings Output Voltage 3.3 5.0 12.0 15.0 24.0 VDC VDC VDC VDC VDC Output Current 18.2 16.0 7.9 7.0 4.8 A A A A A Typical Input Current(2) 2.8 3.6 4.3 4.7 5.1 A A A A A Efficiency 76% 78% 79% 79% 80% 60 80 95 105 115 MQP Series Max Output Power 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 MQP120 0.40 (10.1) 0.45 (11.5) 3.74 (95.0) 2.56 (65.0) 3.46 (88.0) 3.41 (86.7) ø0.47 (12.0) 2.28 (58.0) Top View 1.32 (33.5) PCB Track Clearance Area 1 0.14 (3.5) 1 34 6789 16 17 24 25 29 30 0.25 (6.3) ø0.04 (1.0) 0.27 (6.9) ø0.14 (3.6) 0.14 (3.5) 0.26 (6.5) 2.90 (73.7) MQP120-H 3.74 (95.0) 2.56 (65.0) 1.39 (35.4) 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 0.25 (6.3) ø0.04 (1.0) 3.46 (88.0) 3.41 (86.7) ø0.47 (12.0) 2.28 (58.0) Top View PCB Track Clearance Area 1 0.14 (3.5) 1 34 6789 16 17 25 29 ø0.14 (3.6) 0.14 (3.5) 0.26 (6.5) 2.90 (73.7) 1.32 (33.5) 0.27 (6.9) DC-DC Derating Curves MQP120 vs ambient temperature (module only) 120 MQP Series 100 80 Output Power (Watts) 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 80 Output Power (Watts) 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) 4 3v3 5 12 15 24 3 2 1 0 85 80 70 60 50 40 30 20 10 0 Ambient Temperature (°C) DC-DC Typical Efficiency (MQP12028S24) Efficiency vs Load 90% MQP Series 85% 80% Efficiency % 9V Input 12V Input 28V Input 40V Input 75% 70% 65% 60% 0% 20% 40% Load % 60% 80% 100% Typical Overcurrent Protection 120.0 100.0 80.0 Vout / % 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 Application Notes Enable (En) MQP Series + Input - MQP120 En En floating = Output on En connected -Vin = Output off 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 Application Notes Conducted EMI MQP12028S24, Limit MIL-STD-461E 2.2 mH MQP Series + 470 µf + Vin 4.7 nf MQP12028S24 Case 4.7 nf 4.7 nf RLoad M R Conducted EMI MQP12028S24, Limit MIL-STD-461E + 470 µf + Vin DSF200LV 4.7 nf MQP12028S24 Case 4.7 nf 4.7 nf RLoad 28-Feb-08