50200 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 • Fivesided 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 Ω 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 µs, 25% step load change Temperature Ripple & Noise • 2.5, 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 - 2.5 V, 3.3 V, 5 V models: 75mV 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 • EN55022, 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 (ICH100W not UL approved) 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 DCDC DCDC ICH/IFH Series Models and Ratings (4) Input Current (2,5) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 2.5 V 10.00 A 50 mA 2740 mA 76% ICH5012S2V5 3.3 V 10.00 A 50 mA 3525 mA 78% ICH5012S3V3 9-18 VDC 5.0 V 10.00 A 50 mA 5145 mA 81% ICH5012S05 (12 V nominal) 12.0 V 4.16 A 50 mA 4950 mA 84% ICH5012S12 15.0 V 3.33 A 50 mA 4950 mA 84% ICH5012S15 24.0 V 2.08 A 50 mA 4950 mA 84% ICH5012S24 2.5 V 10.00 A 50 mA 1353 mA 77% ICH5024S2V5 3.3 V 10.00 A 50 mA 1740 mA 79% ICH5024S3V3 18-36 VDC 5.0 V 10.00 A 50 mA 2540 mA 82% ICH5024S05 (24 V nominal) 12.0 V 4.16 A 50 mA 2450 mA 85% ICH5024S12 15.0 V 3.33 A 50 mA 2450 mA 85% ICH5024S15 24.0 V 2.08 A 50 mA 2419 mA 86% ICH5024S24 2.5 V 10.00 A 50 mA 676 mA 77% ICH5048S2V5 3.3 V 10.00 A 50 mA 870 mA 79% ICH5048S3V3 36-75 VDC 5.0 V 10.00 A 50 mA 1250 mA 83% ICH5048S05 (48 V nominal) 12.0 V 4.16 A 50 mA 1220 mA 85% ICH5048S12 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 18-75 VDC 12.0 V 4.16 A 50 mA 1240 mA 84% ICH5048WS12 (48 V nominal) 15.0 V 3.33 A 50 mA 1240 mA 84% ICH5048WS15 24.0 V 2.08 A 50 mA 1240 mA 84% ICH5048WS24 (4) Input Current (2,5) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 2.5 V 15.00 A 50 mA 4110 mA 76% ICH7512S2V5 3.3 V 15.00 A 50 mA 5290 mA 78% ICH7512S3V3 9-18 VDC 5.0 V 15.00 A 50 mA 7715 mA 81% ICH7512S05 (12 V nominal) 12.0 V 6.25 A 50 mA 7440 mA 84% ICH7512S12 15.0 V 5.00 A 50 mA 7440 mA 84% ICH7512S15 24.0 V 3.13 A 50 mA 7440 mA 84% ICH7512S24 2.5 V 15.00 A 50 mA 2029 mA 77% ICH7524S2V5 3.3 V 15.00 A 50 mA 2610 mA 79% ICH7524S3V3 18-36 VDC 5.0 V 15.00 A 50 mA 3810 mA 82% ICH7524S05†^ (24 V nominal) 12.0 V 6.25 A 50 mA 3675 mA 85% ICH7524S12 15.0 V 5.00 A 50 mA 3675 mA 85% ICH7524S15 24.0 V 3.13 A 50 mA 3640 mA 86% ICH7524S24 2.5 V 15.00 A 50 mA 1015 mA 77% ICH7548S2V5 3.3 V 15.00 A 50 mA 1305 mA 79% ICH7548S3V3 36-75 VDC 5.0 V 15.00 A 50 mA 1883 mA 83% ICH7548S05 (48 V nominal) 12.0 V 6.25 A 50 mA 1838 mA 85% ICH7548S12 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 18-75 VDC 12.0 V 6.25 A 50 mA 1860 mA 84% ICH7548WS12 (24 V nominal) 15.0 V 5.00 A 50 mA 1838 mA 85% ICH7548WS15 24.0 V 3.12 A 50 mA 1835 mA 85% ICH7548WS24 † Available from Farnell & element14. See pages 284-290. ^ Available from Newark. See pages 291-296. ICH/IFH Series Models & Ratings (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 2.5 V 20.00 A 50 mA 2705 mA 77% ICH10024S2V5 3.3 V 20.00 A 50 mA 3480 mA 79% ICH10024S3V3 18-36 VDC 5.0 V 20.00 A 50 mA 5020 mA 83% ICH10024S05 12.0 V 8.30 A 50 mA 4880 mA 85% ICH10024S12†^ (24 V nominal) 15.0 V 6.70 A 50 mA 4925 mA 85% ICH10024S15 24.0 V 4.17 A 50 mA 4905 mA 85% ICH10024S24 2.5 V 20.00 A 50 mA 1335 mA 78% ICH10048S2V5 3.3 V 20.00 A 50 mA 1720 mA 80% ICH10048S3V3 36-75 VDC 5.0 V 20.00 A 50 mA 2480 mA 84% ICH10048S05 12.0 V 8.30 A 50 mA 2442 mA 85% ICH10048S12 (48 V nominal) 15.0 V 6.70 A 50 mA 2463 mA 85% ICH10048S15 24.0 V 4.17 A 50 mA 2463 mA 85% ICH10048S24 (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 3.3 V 20.00 A 35 mA 3374 mA 81% ICH10024WS3V3 5.0 V 20.00 A 35 mA 4990 mA 83% ICH10024WS05 9-36 VDC 12.0 V 8.30 A 35 mA 4902 mA 85% ICH10024WS12 (24 V nominal) 15.0 V 6.70 A 35 mA 4817 mA 86% ICH10024WS15 24.0 V 4.17 A 35 mA 4849 mA 86% ICH10024WS24 3.3 V 20.00 A 30 mA 1708 mA 80% ICH10048WS3V3 5.0 V 20.00 A 30 mA 2422 mA 86% ICH10048WS05 18-75 VDC 12.0 V 8.30 A 30 mA 2408 mA 86% ICH10048WS12 (48 V nominal) 15.0 V 6.70 A 30 mA 2381 mA 87% ICH10048WS15 24.0 V 4.17 A 30 mA 2367 mA 88% ICH10048WS24 (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 2.5 V 30.00 A 25 mA 2.10 A 74% ICH15048S2V5 3.3 V 30.00 A 25 mA 2.60 A 79% ICH15048S3V3 36-75 VDC 5.0 V 30.00 A 25 mA 3.70 A 83% ICH15048S05 12.0 V 12.50 A 25 mA 3.60 A 85% ICH15048S12 (48 V nominal) 15.0 V 10.00 A 25 mA 3.60 A 85% ICH15048S15 24.0 V 6.25 A 25 mA 3.60 A 85% ICH15048S24 (4) Input Current (2) Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load 2.5 V 40.00 A 25 mA 2.8 A 74% IFH20048S2V5 3.3 V 40.00 A 25 mA 3.5 A 79% IFH20048S3V3 5.0 V 40.00 A 25 mA 5.0 A 83% IFH20048S05 36-75 VDC 12.0 V 17.00 A 25 mA 5.0 A 85% IFH20048S12 15.0 V 13.30 A 25 mA 5.0 A 85% IFH20048S15 (48 V nominal) 24.0 V 8.33 A 25 mA 5.0 A 85% IFH20048S24 28.0 V 7.14 A 25 mA 4.7 A 89% IFH20048S28 48.0 V 4.20 A 25 mA 4.7 A 90% IFH20048S48 Notes 1. Logic compatibility: Module On = Open circuit (or >3.5 VDC for ICH100 W models). Module Off = <0.8 VDC (<1.8 VDC for ICH100 W models). 2. Add suffix ‘N’ to the model number to receive the unit with negative logic Remote On/Off. 3. Ripple & noise is measured with a 10 μF tantalum capacitor and 0.1 μF ceramic capacitor across output. 4. Input current specified at 24 V for 18-36 & 9-36 VDC and 48 V for 36-75 & 18-75 VDC models. 5. For dual output models available, contact sales. † Available from Farnell. See pages 284-290. ^ Available from Newark. See pages 291-296. Mechanical Details ICH50 to ICH150 IFH200 PIN CONNECTIONS 0.18 min. BOTTOM VIEW Mounting Inserts Pin Function (4.6) 0.28 M3*0.5 Through 4pl. M3*0.5 Through 4pl. BOTTOM VIEW (7.2) 1 +Vin 2 On/Off 5 4 ø0.08 4 5 3 Case* (2.03) ø0.08 1.40 6 3 6 3 (2.03) 4 -Vin 0.30 (35.6) Pins 5 & 9 2.40 (7.6) 2.00 2.40 0.60 7 (61.0) (50.8) 0.30 5 -Vout 7 (61.0) (15.2) (7.6) 0.70 2.00 2 8 (17.8) 6 -Sense 2 8 ø0.04 (50.8) (1.02) 1 9 Pins 1-4, 6-8 7 Trim ø0.04 1 (1.02) 9 8 +Sense 4.20 0.52 9 +Vout (13.2) (106.7) SIDE VIEW 4.60 1.90 0.50 (116.8) (48.3) (12.7) * IFH200: N.C. 2.28 SIDE VIEW (57.9) Notes 1. All dimensions are in inches (mm) 3. Case tolerance: ±0.02 (±0.50) 2. Weight: ICH50: 0.194 lbs (88 g) 4. Pin diameter tolerance: ICH series ±0.002 (±0.05), ±0.004 (±0.1), ICH50W: 0.207 lbs (94 g) IFH series ±0.006 (±0.15) ICH75: 0.202 lbs (92 g) 5. Case Material: ICH50/75/100/150 - Aluminium ICH75W: 0.207 lbs (94 g) IFH200 - Aluminium baseplate with plastic case ICH100: 0.209 lbs (95 g) 6. Pin pitch tolerance: ±0.01 (±0.25) ICH150: 0.220 lbs (100 g) IFH200: 0.425 lbs (193 g) DCDC DCDC ICH/IFH Series Derating Curves THERMAL RESISTANCE vs AIR FLOW Air Flow Rate ICH Typical Rca IFH Typical Rca Natural Convection 20 ft./min (0.1 m/s) 7.12 ˚C/W 3.82 ˚C/W 100 ft./min (0.5 m/s) 6.21 ˚C/W 3.23 ˚C/W 200 ft./min (1.0 m/s) 5.17 ˚C/W 2.71 ˚C/W 300 ft./min (1.5 m/s) 4.29 ˚C/W 2.28 ˚C/W 400 ft./min (2.0 m/s) 3.64 ˚C/W 1.92 ˚C/W 500 ft./min (2.5 m/s) 2.96 ˚C/W 1.68 ˚C/W 600 ft./min (3.0 m/s) 2.53 ˚C/W 1.50 ˚C/W 700 ft./min (3.5 m/s) 2.37 ˚C/W 1.35 ˚C/W 800 ft./min (4.0 m/s) 2.19 ˚C/W 1.23 ˚C/W Temperature Rise = Pd x Rca, Where Pd = Pin - Pout or Pout (1-η) /η, Whereη= efficiency Maximum Power Dissipation vs Ambient Temperature and Air Flow (without Heatsink) ICH50150S IFH200S Natural Convection Natural Convection 20ft./min. (0.1 m/s) 20ft./min. (0.1 m/s) 45 45 100 ft./min. (0.5 m/s) 100 ft./min. (0.5 m/s) 40 40 200 ft./min. (1.0 m/s) 200 ft./min. (1.0 m/s) 35 35 300 ft./min. (1.5 m/s) 300 ft./min. (1.5 m/s) 30 30 25 25 20 20 15 15 10 10 5 5 0 0 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature (˚C) Ambient Temperature (C) Application Notes External Output Trimming +SENSE +SENSE LOGIC TABLE TRIM DOWN Logic State (Pin 2) Positive Logic Negative Logic (-N) 10K ohms TRIM TRIM TRIMPOT Logic Low Switch Closed Module Off Module On TRIM UP -SENSE -SENSE Logic High Switch Open Module On Module Off Output may be trimmed by ±10% (±5% for dual output models) with a fixed resistor or an external trimpot as shown. Contact sales for details. Output Noise +Vo 0.1 μF Ceramic Output noise is measured with a 10 µF tantalum capacitor and 0.1 µF ceramic capacitor across output. Resistive Oscilloscope limited to 20 MHz bandwidth Load 10 μF To Oscilloscope Solid tantalum -Vo 02-Sept-11 400 ft./min. (2.0 m/s) 400 ft./min. (2.0 m/s) 500 ft./min. (2.5 m/s) 500 ft./min. (2.5 m/s) 600 ft./min. (3.0 m/s) 600 ft./min. (3.0 m/s) 700 ft./min. (3.5 m/s) 700 ft./min. (3.5 m/s) 800 ft./min. (4.0 m/s) 800 ft./min. (4.0 m/s) Power Dissipated Pd (W) Power Dissipated Pd (W)