xppower.com JCK Series 2:1 Input Range Operating Temperature -40 C to +75 C Single and Dual Outputs High Efficiency - Up to 92% Remote On/Off 1600 VDC Isolation 3 Year Warranty Specification Input General Input Voltage Range 12 V (9-18 VDC), Efficiency See table 24 V (18-36 VDC), Isolation 1600 VDC Input to Output 48 V (36-75 VDC) 1600 VDC Input to Case Input Current See table 1600 VDC Output to Case Undervoltage Lockout 12 V models: ON 8.6 V, OFF 7.9 V typical Isolation Capacitance 1500 pF typical 24 V models: ON 17.8 V, OFF 16 V typical Switching Frequency 330 kHz typical 48 V models: ON 33.5 V, OFF 30.5 V typical 3 Power Density 37.5 W/in Input Reflected Ripple 20 mA pk-pk through 12 uH inductor MTBF 430 kHrs min to MIL-HDBK-217F Current at 25 C, GB Input Surge 12 V models 25 VDC for 100 ms 24 V models 50 VDC for 100 ms Environmental 48 V models 100 VDC for 100 ms Input Filter Pi network Operating Temperature -40 C to 75 C, see derating curve Case Temperature +105 C max Output Cooling Convection-cooled Operating Humidity 5-95% RH, non-condensing Output Voltage See table Storage Temperature -40 C to +125 C Output Voltage Trim 10% on single outputs models only Start Up Delay 30 ms max EMC Minimum Load No minimum load required Emissions EN55022 level A conducted & radiated Line Regulation 0.5% max with external components, see application Load Regulation Single output models: 0.5% max notes Dual output models: 1% max ESD Immunity EN61000-4-2, level 3, Perf Criteria A balanced outputs (4) EFT/Burst EN61000-4-4, level 3, Perf Criteria A Cross Regulation 5% (see note 2) Surge EN61000-4-5, installation class 3, Setpoint Accuracy 1% (4) Perf Criteria A Ripple & Noise 100 mV pk-pk, 20 MHz bandwidth (see note 3) Conducted Immunity EN61000-4-6, 10 Vrms, Perf Criteria A Transient Response 3% max deviation, recovery to within Magnetic Field EN61000-4-8, 1 A/m, Perf Criteria A 1% in <250 s for a 25% load change Temperature 0.02%/C Safety Coefficient Safety Approvals CE (Meets all applicable directives), Overvoltage Protection 3.3 V models: 3.9 V typical UKCA (Meets all applicable legislation) 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical Overload Protection >150% of full load Short Circuit Protection Trip & restart (Hiccup mode), auto recovery Remote On/Off See application notes Maximum Capacitive See table Load DC-DCDC-DC JCK30 Models and Ratings (1) Input Current Maximum Input Voltage Output Voltage Output Current Efficiency Model Number No Load Full Load Capacitive Load 3.3 V 8.00 A 80 mA 2426 mA 20000 F 89% JCK3012S3V3 5.0 V 6.00 A 180 mA 2874 mA 14000 F 91% JCK3012S05 5.1 V 6.00 A 160 mA 2874 mA 14000 F 92% JCK3012S5V1 12.0 V 2.50 A 30 mA 2809 mA 2000 F 91% JCK3012S12 9-18 VDC 15.0 V 2.00 A 30 mA 2809 mA 2000 F 92% JCK3012S15 5.0 V 3.00 A 180 mA 2874 mA 3000 F 89% JCK3012D05 12.0 V 1.25 A 50 mA 2874 mA 1250 F 90% JCK3012D12 15.0 V 1.00 A 50 mA 2874 mA 1000 F 91% JCK3012D15 3.3 V 8.00 A 70 mA 1185 mA 20000 F 91% JCK3024S3V3 5.0 V 6.00 A 100 mA 1420 mA 14000 F 92% JCK3024S05 5.1 V 6.00 A 100 mA 1448 mA 14000 F 92% JCK3024S5V1 12.0 V 2.50 A 20 mA 1436 mA 2000 F 92% JCK3024S12 18-36 VDC 15.0 V 2.00 A 40 mA 1420 mA 2000 F 92% JCK3024S15 5.0 V 3.00 A 100 mA 1437 mA 3000 F 90% JCK3024D05 12.0 V 1.25 A 40 mA 1453 mA 1250 F 91% JCK3024D12 15.0 V 1.00 A 50 mA 1437 mA 1000 F 91% JCK3024D15 3.3 V 8.00 A 50 mA 593 mA 20000 F 90% JCK3048S3V3 5.0 V 6.00 A 70 mA 702 mA 14000 F 91% JCK3048S05 5.1 V 6.00 A 70 mA 724 mA 14000 F 91% JCK3048S5V1 12.0 V 2.50 A 30 mA 718 mA 2000 F 91% JCK3048S12 36-75 VDC 15.0 V 2.00 A 30 mA 710 mA 2000 F 91% JCK3048S15 5.0 V 3.00 A 70 mA 710 mA 3000 F 90% JCK3048D05 12.0 V 1.25 A 50 mA 718 mA 1250 F 90% JCK3048D12 15.0 V 1.00 A 40 mA 718 mA 1000 F 90% JCK3048D15 Notes 1. Input current specified at nominal input. 4. A 220 F/250 V capacitor across the input is required in order to meet 2. Cross regulation for duals is 5% when one output is at 100% and the other is EN61000-4-4 and EN61000-4-5. varied between 25% and 100%. 5. For heatsink option add -HK to the end of the part number. 3. Measured with 1 F ceramic capacitor across output rails. Mechanical Details Optional heatsink (-HK) 1.0 (25.4) DIA. 0.10 0.40 0.40 0.10 0.64 0.40 0.04 (2.54) (2.54) (10.16) (10.16) (16.3) (10.16) (1.00) 45 6 PIN CONNECTIONS Pin Single Dual 0.20 0.10 0.10 1 +Vin +Vin (2.54) (5.0) 0.02 (2.54) (0.50) 2 -Vin -Vin 0.04 3 Remote On/Off Remote On/Off (1.00) 4 +Vout +Vout Bottom View 2.00 2.00 (50.80) 5 -Vout Com (50.80) 6 Trim -Vout Notes 1. All dimensions are in inches (mm). 0.10 (2.54) 2. Weight: 0.07 lbs (31 g) approx 0.20 1 2 3 3. Pin diameter: 0.04 0.002 (1.0 0.05) (5.08) 4. Pin pitch tolerance: 0.014 (0.35) 0.20 0.20 (5.08) 5. Case tolerance: 0.02 (0.5) Thermal Pad (5.08) 0.10 min (2.54) 0.60 (15.24) Application Notes Derating Curve Input Filter 100 + +Vin without heat-sink 12 H with heat-sink DC/DC 220 F, 100 V LOAD 75 Converter - -Vin -Vout 50 25 470 pF, 2 kV 0 50 75 External Output Trim -40 -20 0 20 40 60 80 100 Ambient Temperature (C) 6 6 Output can be externally Remote On/Off Control trimmed using this method. R trim-up R trim-down Output On >3.0 VDC or open circuit Contact sales for details. Output Off <1.2 VDC or short circuit pins 2 & 3 5 4 29 Sept 2021 Load (%)