50-200 Watts xppower.com ICH/IFH Series 2:1 & 4:1 Input Ranges Efficiency up to 90% Single Output -40 C to +100 C Operating Temperature Continuous Short Circuit Protection Five-sided Metal Case 3 Year Warranty Specification Input General Input Voltage Range See tables Efficiency See tables Input Current (no load) See tables Isolation Voltage 1500 VDC Input to Output Input Reverse Voltage None 1500 VDC Input to Case Protection 1500 VDC Output to Case 7 Input Filter Pi network Isolation Resistance 10 ohms min Undervoltage Lockout 2:1 Input Models: Switching Frequency ICH50/75 12-24V models: 400 kHz typical 12 Vin, power up 8.8 V, down 8.0 V ICH50/75 48 V models: 300 kHz typical 24 Vin, power up 17.0 V, down 16.0 V ICH50W/75W: 300 kHz typical 48 Vin, power up 34.0 V, down 32.5 V ICH100/ICH150: 500 kHz typical ICH100W: 250 kHz typical 4:1 Input Models: IFH200: 350 kHz typical 24 Vin, power up 8.8 V, down 8.0 V 3 Power Density ICH50: 18.3 W/in 48 Vin, power up 17.0 V, down 16.0 V 3 ICH75: 27.4 W/in 3 ICH100: 36.6 W/in Output 3 ICH150: 54.8 W/in 3 Output Voltage Trim 10% IFH200: 34.8 W/in Initial Set Accuracy 1% max (ICH100: 1.5%) MTBF 790 kHrs to MIL-HDBK-217F Line Regulation 0.2% max measured from high line at 25 C, GB to low line Load Regulation 0.2% max measured from 0-100% load Environmental Transient Response 5% max deviation, recovery to within Operating Case -40 C to +100 C, see derating curve 1% in 500 s, 25% step load change Temperature Ripple & Noise 3.3 & 5 V models: 100 mV pk-pk Storage Temperature ICH50/75: -55 C to +105 C 12 & 15 V models: 150 mV pk-pk ICH100/150 & IFH200: -40 C to +105 C 24, 28 & 48 V models: 1% max pk-pk Shock 30 g pk, half sine wave for 18 ms, 3 pulses ICH50/75 - 3.3 V, 5 V models: 75 mV 12 V, 15 V models: 100 mV per face, all 6 faces tested on all 3 axes 20 MHz bandwidth (see note 3) Vibration 5-500 Hz at 3 g, 10 mins per axis Overvoltage Protection 115-140% Short Circuit Protection ICH50/75/100W/IFH200-: Trip & restart EMC & Safety (hiccup mode) with auto recovery Emissions EN55032, level A conducted with external ICH50W/75W/100/150 & IFH200: Current components limit, auto recovery ESD Immunity EN61000-4-2, level 2 Perf Criteria A Temperature 0.03%/C Coefficient EFT/Burst EN61000-4-4, level 1, Perf Criteria A Current Limit IFH200: 110-150% nominal output, all Surge EN61000-4-5, installation class 1, other models: 110-160% nominal output Perf Criteria A Remote On/Off See note 1 & 2 Conducted Immunity EN61000-4-6, 3 V rms Perf Criteria A Thermal Shutdown ICH50/50W/75/75W/100/150: Magnetic Field EN61000-4-8, 1 A/m, Perf Criteria A Thermal shutdown when case temperature Safety Approvals UL60950-1 reaches 100 C, auto recovery when case temperature < +60 C ICH100W/IFH200: Thermal shutdown when case temperature reaches 105 C, auto recovery when case temperature <+90 C DC-DCDC-DC ICH/IFH Series Models and Ratings (4) Input Current (2,5) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 3.3 V 10.00 A 50 mA 3525 mA 78% ICH5012S3V3 5.0 V 10.00 A 50 mA 5145 mA 81% ICH5012S05 9-18 VDC 12.0 V 4.16 A 50 mA 4950 mA 84% ICH5012S12 (12 V nominal) 15.0 V 3.33 A 50 mA 4950 mA 84% ICH5012S15 24.0 V 2.08 A 50 mA 4950 mA 84% ICH5012S24 3.3 V 10.00 A 50 mA 1740 mA 79% ICH5024S3V3 5.0 V 10.00 A 50 mA 2540 mA 82% ICH5024S05 18-36 VDC 12.0 V 4.16 A 50 mA 2450 mA 85% ICH5024S12 (24 V nominal) 15.0 V 3.33 A 50 mA 2450 mA 85% ICH5024S15 24.0 V 2.08 A 50 mA 2419 mA 86% ICH5024S24 3.3 V 10.00 A 50 mA 870 mA 79% ICH5048S3V3 5.0 V 10.00 A 50 mA 1250 mA 83% ICH5048S05 36-75 VDC 12.0 V 4.16 A 50 mA 1220 mA 85% ICH5048S12 (48 V nominal) 15.0 V 3.33 A 50 mA 1220 mA 85% ICH5048S15 24.0 V 2.08 A 50 mA 1209 mA 86% ICH5048S24 (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 3.3 V 10.00 A 50 mA 1785 mA 77% ICH5024WS3V3 5.0 V 10.00 A 50 mA 2570 mA 81% ICH5024WS05 9-36 VDC 12.0 V 4.16 A 50 mA 2510 mA 83% ICH5024WS12 (24 V nominal) 15.0 V 3.33 A 50 mA 2510 mA 83% ICH5024WS15 24.0 V 2.08 A 50 mA 2510 mA 83% ICH5024WS24 3.3 V 10.00 A 50 mA 880 mA 78% ICH5048WS3V3 5.0 V 10.00 A 50 mA 1270 mA 82% ICH5048WS05 12.0 V 4.16 A 50 mA 1240 mA 84% ICH5048WS12 18-75 VDC 15.0 V 3.33 A 50 mA 1240 mA 84% ICH5048WS15 (48 V nominal) 24.0 V 2.08 A 50 mA 1240 mA 84% ICH5048WS24 48.0 V 1.04 A 50 mA 1238 mA 84% ICH5048WS48 (4) Input Current (2,5) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 3.3 V 15.00 A 50 mA 5290 mA 78% ICH7512S3V3 5.0 V 15.00 A 50 mA 7715 mA 81% ICH7512S05 9-18 VDC 12.0 V 6.25 A 50 mA 7440 mA 84% ICH7512S12 (12 V nominal) 15.0 V 5.00 A 50 mA 7440 mA 84% ICH7512S15 24.0 V 3.13 A 50 mA 7440 mA 84% ICH7512S24 3.3 V 15.00 A 50 mA 2610 mA 79% ICH7524S3V3 5.0 V 15.00 A 50 mA 3810 mA 82% ICH7524S05 18-36 VDC 12.0 V 6.25 A 50 mA 3675 mA 85% ICH7524S12 (24 V nominal) 15.0 V 5.00 A 50 mA 3675 mA 85% ICH7524S15 24.0 V 3.13 A 50 mA 3640 mA 86% ICH7524S24 3.3 V 15.00 A 50 mA 1305 mA 79% ICH7548S3V3 5.0 V 15.00 A 50 mA 1883 mA 83% ICH7548S05 36-75 VDC 12.0 V 6.25 A 50 mA 1838 mA 85% ICH7548S12 (48 V nominal) 15.0 V 5.00 A 50 mA 1838 mA 85% ICH7548S15 24.0 V 3.13 A 50 mA 1820 mA 86% ICH7548S24 (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 3.3 V 15.00 A 50 mA 2611 mA 79% ICH7524WS3V3 5.0 V 15.00 A 50 mA 3811 mA 82% ICH7524WS05 9-36 VDC 12.0 V 6.25 A 50 mA 3765 mA 83% ICH7524WS12 (24 V nominal) 15.0 V 5.00 A 50 mA 3720 mA 84% ICH7524WS15 24.0 V 3.12 A 50 mA 3720 mA 84% ICH7524WS24 3.3 V 15.00 A 50 mA 1289 mA 80% ICH7548WS3V3 5.0 V 15.00 A 50 mA 1883 mA 83% ICH7548WS05 12.0 V 6.25 A 50 mA 1860 mA 84% ICH7548WS12 18-75 VDC 15.0 V 5.00 A 50 mA 1838 mA 85% ICH7548WS15 (24 V nominal) 24.0 V 3.12 A 50 mA 1835 mA 85% ICH7548WS24 48.0 V 1.56 A 50 mA 1860 mA 84% ICH7548WS48