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| DC-DC 20 Watts JCH20 Series * * * * * * * 2:1 Input Range xppower.com 2.0" x 2.0" x 0.4" Metal Package 1500 VDC Isolation Efficiency up to 91% Single & Dual Outputs -40 C to +100 C Operating Temperature Continuous Short Circuit Protection Specification Input * 12 V (9-18 VDC) 24 V (18-36 VDC) 48 V (36-72 VDC) Input Current * See table Input Reflected Ripple * 35 mA rms through 12 H inductor, 5 Hz to 20 MHz Input Surge * 12 V models 25 VDC for 100 ms 24 V models 50 VDC for 100 ms 48 V models 100 VDC for 100 ms Input Voltage Range General Efficiency Isolation Voltage * See table * 1500 VDC Input to Output 1000 VDC Input to Case 1000 VDC Output to Case * 1000 pF typical * 125 kHz typical * >600 kHrs to MIL-STD-217F Isolation Capacitance Switching Frequency MTBF Environmental Operating Temperature * -40 C to +100 C, derate from 100% load at +85 C to 0% load at +100 C Case Temperature * +100 C max Storage Temperature * -40 C to +125 C Cooling * Convection-cooled Operating Humidity * Up to 90%, non-condensing Output Output Voltage Voltage Balance Minimum Load Line Regulation Load Regulation Setpoint Accuracy Start Up Delay Start Up Rise Time Ripple & Noise * * * * * * * * * See table 1.0%, dual output versions No minimum load required 0.5% max 0.5% max 1.0% max <10 ms <5 ms 100 mV pk-pk for 5 V to 15 V models, 150 mV pk-pk for 24 V models, 20 MHz BW * 5% max deviation, recovery to within 1% in 300 s for a 25% load change * 0.02%/C EMC Emissions * EN55022 Class A conducted & radiated with external components, see application note * EN61000-4-2, 8 kV air discharge Perf Criteria A, 4 kV contact discharge Perf Criteria A * EN61000-4-6 Level 2 3 V/m Perf Criteria A ESD Immunity Transient Response Radiated Immunity Temperature Coefficient Overcurrent Protection * 130% typical of full load at nominal input Short Circuit Protection * Trip & restart (hiccup mode) with auto recovery Capacitive Load * See table DC-DC Models and Ratings Input Voltage Output Voltage 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V 5.0 V 9.0 V 12.0 V 15.0 V 24.0 V Output Current 4000 mA 2222 mA 1666 mA 1333 mA 833 mA 2000 mA 1111 mA 833 mA 666 mA 416 mA 4000 mA 2222 mA 1666 mA 1333 mA 833 mA 2000 mA 1111 mA 833 mA 666 mA 416 mA 4000 mA 2222 mA 1666 mA 1333 mA 833 mA 2000 mA 1111 mA 833 mA 666 mA 416 mA Input Current(1) No Load Full Load 20 mA 2008 mA 20 mA 1960 mA 30 mA 1960 mA 35 mA 1984 mA 30 mA 1937 mA 25 mA 3048 mA 25 mA 1984 mA 30 mA 2000 mA 35 mA 1984 mA 35 mA 1984 mA 25 mA 992 mA 20 mA 968 mA 25 mA 958 mA 25 mA 718 mA 25 mA 957 mA 25 mA 1004 mA 25 mA 980 mA 20 mA 1280 mA 25 mA 957 mA 30 mA 967 mA 20 mA 562 mA 20 mA 478 mA 25 mA 484 mA 20 mA 478 mA 25 mA 479 mA 20 mA 496 mA 20 mA 490 mA 20 mA 478 mA 20 mA 490 mA 20 mA 490 mA Efficiency 85% 85% 87% 87% 88% 85% 85% 87% 87% 88% 86% 87% 88% 88% 89% 86% 87% 88% 88% 89% 86% 87% 89% 89% 91% 86% 87% 89% 89% 91% JCH20 Maximum Capacitive Load(2) 15000 F 2200 F 1000 F 100 F 680 F 1000 F 1000 F 1000 F 420 F 330 F 1500 F 6800 F 1000 F 1000 F 680 F 6800 F 2200 F 1000 F 470 F 470 F 15000 F 2200 F 1000 F 1000 F 330 F 2200 F 1000 F 1000 F 470 F 220 F Model Number JCH2012S05 JCH2012S09 JCH2012S12 JCH2012S15 JCH2012S24 JCH2012D05 JCH2012D09 JCH2012D12 JCH2012D15 JCH2012D24 JCH2024S05 JCH2024S09 JCH2024S12 JCH2024S15 JCH2024S24 JCH2024D05 JCH2024D09 JCH2024D12 JCH2024D15 JCH2024D24 JCH2048S05 JCH2048S09 JCH2048S12 JCH2048S15 JCH2048S24 JCH2048D05 JCH2048D09 JCH2048D12 JCH2048D15 JCH2048D24 9-18 VDC 18-36 VDC 36-72 VDC Notes 1. Measured at nominal intput voltage. 2. Maximum capacitive load is per output. Mechanical Details All dimensions are in inches (mm) Weight 0.13 lbs (60 g) 2.00 (50.80) 0.60 (15.24) 0.40 (10.16) 0.40 (10.16) 0.60 (15.24) 0.40 (10.16) 0.60 (15.24) DIA. 0.04 (1.00) +Vout Com/No Pin -Vout 2.00 (50.80) 0.80 (20.32) Bottom View Vin + 0.60 (15.24) - 0.90 (22.86) 0.20 (5.08) 0.90 (22.86) 0.20 (5.08) min Application Notes Derating Curve 125 Output Power (%) 100 75 50 -Vin L = 12 H C1 = 68 F C2 = 33 F + L C1 C2 +Vin Input Filter 25 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (C) 27-Nov-08 |
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