15/20 Watts xppower.com JTK Series Very High Power Density Wide 4:1 Input Range Operating Temperature -40 C to +100 C Single & Dual Outputs 1600 VDC Isolation UL Approved High Efficiency - up to 89% 3 Year Warranty Specification General Input Efficiency See table Input Voltage Range 24 V (9-36 VDC) 48 V (18-75 VDC) Isolation 1600 VDC Input to Output 1600 VDC Input to Case Input Current See table 1600 VDC Output to Case Input Filter Pi network Isolation Capacitance JTK15: 1200 pF max Input Reflected JTK15: 20 mA pk-pk JTK20: 1000 pF max Ripple Current JTK20: 30 mA pk-pk through 12 H Switching Frequency JTK15: 375 kHz typical inductor and 47 F capacitor, JTK20: 330 kHz typical 5 Hz to 20 MHz 3 Power Density JTK15: 38.4 W/in , Input Surge 24 V models: 50 VDC for 100 ms 3 JTK20: 51.3 W/in 48 V models: 100 VDC for 100 ms MTBF >560 KHrs to MIL-STD-217F a t 25 C, GB Output Environmental Output Voltage See table Operating Temperature -40 C to +100 C, JTK15: derate Output Trim 10% max on single output from 100% load at +65 C to no load at Minimum Load No minimum load required +100 C, JTK20: derate from 100% load at Initial Set Accuracy 1% max +55 C to no load at +100 C Start Up Delay 20 ms typical Case Temperature +105 C max Line Regulation JTK15: 0.2% max single, 0.5% max dual Storage Temperature -40 C to +125 C JTK20: 0.5% max Humidity Up to 90%, non-condensing Load Regulation 0.5% max single, 1.0% max dual Cooling Natural convection Cross Regulation 5% on dual output models, (see note 2) Transient Response <3% max deviation, recovery to within 1% EMC in 250 s for a 25% load change Emissions EN55022, Level A conducted & radiated Ripple & Noise 100 mV pk-pk, 20 MHz bandwidth, with external components - (see note 3) see applications note Overload Protection JTK15: 170% of full load typical, ESD Immunity EN61000-4-2, Level 2 Perf Criteria A JTK20: 150% of full load typical Radiated Immunity EN61000-4-3, 3 V/m Perf Criteria A Overvoltage Protection 3.3 V models: 3.9 V typical 5 V models: 6.2 V typical EFT/Burst EN61000-4-4, Level 3 Perf Criteria A* 12 V models: 15 V typical Conducted Immunity EN61000-4-6, 3 V rms Perf Criteria A 15 V models: 18 V typical Magnetic Fields EN61000-4-8, 1 A/m Perf Criteria A 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical Safety Short Circuit Protection Trip & restart (hiccup) with auto recovery Safety Approvals UL60950-1, CAN/CSA C22.2 No.60950-1, Maximum Capacitive See table UL62368-1 Load Temperature 0.02%/C max Coefficient *External input capacitor required 220 F / 100 V. Remote On/Off On >3.0 VDC or open circuit Off <1.2 VDC or short circuit pins 2 & 3 DC-DCDC-DC JTK15/20 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 4.000 A 15 mA 647 mA 1000 F 86% JTK1524S3V3 5.0 V 3.000 A 15 mA 727 mA 1000 F 87% JTK1524S05 12.0 V 1.300 A 15 mA 747 mA 330 F 88% JTK1524S12 9-36 V 15.0 V 1.000 A 15 mA 710 mA 220 F 89% JTK1524S15 5.0 V 1.500 A 15 mA 744 mA 470 F 85% JTK1524D05 12.0 V 0.625 A 15 mA 720 mA 220 F 88% JTK1524D12 15.0 V 0.500 A 15 mA 710 mA 100 F 89% JTK1524D15 3.3 V 4.000 A 10 mA 331 mA 1000 F 84% JTK1548S3V3 5.0 V 3.000 A 10 mA 368 mA 1000 F 86% JTK1548S05 12.0 V 1.300 A 10 mA 378 mA 330 F 87% JTK1548S12 18-75 V 15.0 V 1.000 A 10 mA 360 mA 220 F 88% JTK1548S15 5.0 V 1.500 A 10 mA 377 mA 470 F 84% JTK1548D05 12.0 V 0.625 A 10 mA 363 mA 220 F 87% JTK1548D12 15.0 V 0.500 A 10 mA 360 mA 100 F 88% JTK1548D15 3.3 V 4.500 A 50 mA 720 mA 10000 F 86% JTK2024S3V3 5.0 V 4.000 A 50 mA 936 mA 5000 F 89% JTK2024S05 12.0 V 1.670 A 22 mA 936 mA 850 F 89% JTK2024S12 9-36 V 15.0 V 1.330 A 22 mA 936 mA 700 F 89% JTK2024S15 12.0 V 0.833 A 25 mA 936 mA 470 F 89% JTK2024D12 15.0 V 0.667 A 25 mA 936 mA 330 F 89% JTK2024D15 3.3 V 4.500 A 30 mA 309 mA 10000 F 86% JTK2048S3V3 5.0 V 4.000 A 30 mA 468 mA 5000 F 89% JTK2048S05 12.0 V 1.670 A 15 mA 468 mA 850 F 89% JTK2048S12 18-75 V 15.0 V 1.330 A 15 mA 468 mA 700 F 90% JTK2048S15 12.0 V 0.833 A 15 mA 468 mA 470 F 89% JTK2048D12 15.0 V 0.667 A 15 mA 468 mA 330 F 89% JTK2048D15 Notes 1. Input current measured at nominal 24 V and 48 V input. 2. When one output is set to 100% load, and the other varies between 25% and 100% load. 3. Measured with 1 F ceramic capacitor and 10 F tantalum capacitor across output rails. Mechanical Details 1.00 (25.4) 0.10 Pin Connections (2.54) 0.40 0.40 0.10 0.39 Pin Single Dual (10.16) (10.16) (2.54) (9.90) 1 +Vin +Vin 2 -Vin -Vin 3 Remote On/Off Remote On/Off DIA 4 5 6 0.04 4 +Vout +Vout (1.00) 5 Trim Com 6 -Vout -Vout 0.80 1.00 T Bottom View (20.32) (25.40) Notes 1. All dimensions are in inches (mm) 1 2 3 2. Weight: 0.04 lbs (20 g) approx. 3 3. Pin diameter: 0.04 0.002 (1.0 0.05) 4. Pin pitch tolerance: 0.014 (0.35) 0.22 Print 0.40 0.20 0.30 0.10 Face 5. Case tolerance: 0.02 (0.5) (5.60) (2.54) (10.16) (5.08) (7.62) 3. Case tolerance: 0.02 (0.5) Application Notes Output Trim Input Filter RTrim-up RTrim-down 5 4 Trim Resistor Values +Vout Trim up Trim down Model Number 10% 10% + +Vin JTK - S3V3 8 k 12 k 12 H JTK - S05 10 k 5 k DC/DC Load 220 F 2.2 F JTK - S12 20 k 7 k Converter JTK - S15 20 k 6 k - -Vin 6 5 Approximate values. -Vout Output can be externally trimmed by using this method. (Single output models only). For variable trimming, use 100 k potentiometer. Contact sales for details. 12 Dec 17