xppower.com JCK Series 2:1 Input Range -40 C to +100 C Operating Temperature Single & Dual Outputs Remote On/Off High Efficiency - up to 93% 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 1200 pF typical 9 24 V models: ON 17.8 V, OFF 16 V typical Isolation Resistance 10 min 48 V models: ON 33.5 V, OFF 30.5 V typical Switching Frequency 330 kHz typical Input Surge 12 V models 36 VDC for 100 ms 3 Power Density 25 W/in 24 V models 50 VDC for 100 ms MTBF >680 kHrs minimum to MIL-HDBK-217F 48 V models 100 VDC for 100 ms at 25 C, GB Output Environmental Operating Temperature -40 C to +100 C, derate from 100% load Output Voltage See table at +70 C to 0% load at +100 C Output Voltage Trim 10% max on single outputs Case Temperature +100 C max Minimum Load No minimum load required Cooling Convection-cooled Line Regulation 0.5% max Operating Humidity Up to 95% RH, non-condensing Load Regulation Single output models: 0.5% max Storage Temperature -40 C to +125 C Dual output models: 1% max balanced outputs Cross Regulation 5% for dual outputs (see note 2) EMC Setpoint Accuracy 1% max Emissions EN55022, Class A conducted Start Up Delay <20 ms & radiated with external components, see application note Start Up Rise Time <5 ms Ripple & Noise 75 mV pk-pk (see note 3) ESD Immunity EN61000-4-2, 8 kV air, 6 kV contact, Perf Criteria A Transient Response 3% max deviation, recovery to within 1% in 250 s for a 25% load change Radiated Immunity EN61000-4-3 10 V/m, Perf Criteria A EFT/Burst EN61000-4-4 level 3, Perf Criteria B* Temperature 0.02%/C Coefficient Surge EN61000-4-5 level 2, Perf Criteria B* Overvoltage Protection 3.3 V models: 3.9 V typical Conducted Immunity EN61000-4-6 10 V/rms,Perf Criteria A 5 V models: 6.2 V typical Magnetic Field EN61000-4-8 1 A/m, Perf Criteria A 12 V models: 15 V typical 15 V models: 18 V typical 12 V models: 15 V typical Safety 15 V models: 18 V typical Safety Approvals CE (Meets all applicable directives), Overload Protection >140% of full load at nominal input UKCA (Meets all applicable legislation) Short Circuit Protection Trip & restart (hiccup mode), auto recovery Remote On/Off On = Logic High (>3.0 V) or Open Off = Logic Low (<1.2 V) or short pin 2 to pin 6 *External input capacitor required 220 F/100 V. Capacitive Load See table DC-DCDC-DC JCK20 Models and Ratings (1) Input Current Maximum Input Output Output Model Efficiency Voltage Voltage Current Number No Load Full Load Capacitive Load 3.3 VDC 5.500 A 60 mA 1.74 A 10,000 F 90% JCK2012S3V3 5.0 VDC 4.000 A 60 mA 1.87 A 6,800 F 92% JCK2012S05 12.0 VDC 1.670 A 30 mA 1.92 A 1,000 F 90% JCK2012S12 9-18 VDC 15.0 VDC 1.330 A 30 mA 1.92 A 680 F 90% JCK2012S15 12.0 VDC 0.835 A 30 mA 1.94 A 470 F 89% JCK2012D12 15.0 VDC 0.665 A 30 mA 1.94 A 330 F 89% JCK2012D15 3.3 VDC 5.500 A 35 mA 0.86 A 10,000 F 91% JCK2024S3V3 5.0 VDC 4.000 A 35 mA 0.93 A 6,800 F 93% JCK2024S05 12.0 VDC 1.670 A 25 mA 0.95 A 1,000 F 91% JCK2024S12 18-36 VDC 15.0 VDC 1.330 A 25 mA 0.95 A 680 F 91% JCK2024S15 12.0 VDC 0.835 A 30 mA 0.96 A 470 F 90% JCK2024D12 15.0 VDC 0.665 A 30 mA 0.96 A 330 F 90% JCK2024D15 3.3 VDC 5.500 A 25 mA 0.43 A 10,000 F 91% JCK2048S3V3 5.0 VDC 4.000 A 25 mA 0.46 A 6,800 F 93% JCK2048S05 12.0 VDC 1.670 A 15 mA 0.47 A 1,000 F 91% JCK2048S12 36-75 VDC 15.0 VDC 1.330 A 15 mA 0.47 A 680 F 91% JCK2048S15 12.0 VDC 0.835 A 20 mA 0.48 A 470 F 90% JCK2048D12 15.0 VDC 0.665 A 20 mA 0.48 A 330 F 89% JCK2048D15 Notes 1. Input current specified at nominal 12, 24 V or 48 V input. 3. Measured with 20 MHz bandwidth and 1 F ceramic capacitor across output rails. 2. Cross regulation is 5% when one output is at 100% and the other is varied 4. For heatsink option add -HK to the end of the part number. between 25% and 100%. Mechanical Details Optional heatsink (-HK) 0.40 0.40 0.40 (10.2) (10.1) (10.1) 0.10 0.10 0.64 1.00 (25.4) PIN CONNECTIONS (2.5) (2.5) (16.3) Pin Single Dual 0.20 (5.0) 1 +Vin +Vin 0.60 0.02 (15.2) (0.5) 2 -Vin -Vin 3 +Vout +Vout 34 5 0.04 4 Trim Com (1.0) 2.00 2.00 0.80 Bottom View 0.04 (50.8) (20.3) (50.8) 5 -Vout -Vout (1.0) 6 Remote On/Off Remote On/Off 1 2 6 0.60 Notes (15.2) 0.20 1. All dimensions are in inches (mm). (5.0) 2. Weight: 0.07 lbs (30 g) Thermal Pad 0.20 3. Pin diameter: 0.04 0.002 (1.0 0.05) 0.40 0.40 (5.0) min. (10.1) (10.16) 4. Pin pitch tolerance: 0.014 (0.35) 0.20 5. Case tolerance: 0.02 (0.5) (5.08) Application Notes Derating Curve External Output Trim For 3.3 V output: For 12 V output: 4 3 Trim +10%, R = 10 k typical Trim +10%, R = 22 k typical Trim - 10%, R = 15 k typical Trim - 10%, R = 5 k typical TRIM UP TRIM DOWN For 5 V output: For 15 V output: 100% without heat-sink Trim +10%, R = 10 k typical Trim +10%, R = 20 k typical 5 4 with heat-sink Trim - 10%, R = 5 k typical Trim - 10%, R = 5 k typical 75% 50% Input Filter 25% + +Vin +Vout 12 H 70 75 -40 -20 0 20 40 60 80 85 100 120 DC/DC C1 LOAD Converter Ambient Temperature (C) Remote On/Off Control - -Vin -Vout Output On >3.0 VDC or open circuit 12 Vin: C1 = 330 F Output Off <1.2 VDC or short circuit pins 2 & 6 24 & 48 Vin: C1 = 220 F 29 Sept 2021 Output Power