DCDC 60 Watts JCK Series xppower.com • 2:1 Input Range • Very High Power Density • High Efficiency Up to 92% • Remote On/Off • 1600 VDC Isolation • OCP, OVP & OTP Functions • 3 Year Warranty Specification Input Input Voltage Range Input Current Input Reflected Ripple Current Undervoltage Lockout Input Surge General • 24 V (18-36 VDC), 48 V (36-75 VDC) • See table • 20 mA pk-pk through 12 µH inductor, 5 Hz to 20 MHz • 24 V models: ON 17.8 V, OFF 16 V typical 48 V models: ON 33.5 V, OFF 30.5 V typical • 24 V models 50 VDC for 100 ms 48 V models 100 VDC for 100 ms Output Output Voltage Output Voltage Trim Minimum Load Line Regulation Load Regulation Setpoint Accuracy Start Up Time Ripple & Noise Transient Response Efficiency Isolation Isolation Capacitance Switching Frequency Power Density MTBF • See table • 1600 VDC Input to Output 1600 VDC Input to Case 1600 VDC Output to Case • 2000 pF typical • 270 kHz typical • 37.5 W/in3 • >110 kHrs min to MIL-HDBK-217F at 25 ˚C, GB Environmental • • • • • • • • See table ±10% No minimum load required ±0.5% max ±0.5% max ±1% 30 ms typical 75 mV for 3V3 +5 V models, 100 mV for other models (see note 2) • 3% max deviation, recovery to within 1% in <250 µs for a 25% load change • 0.02%/˚C Temperature Coefficient Overvoltage Protection • 3.3 V models: 3.9 V typical 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical Overload Protection • 115-130% of output current Short Circuit Protection • Trip & restart (Hiccup mode), auto recovery Remote On/Off • On = Logic High (>3.0) or Open Off = Logic Low (<1.2 V) or short pin 2 to 3 Operating Temperature Case Temperature Cooling Operating Humidity Storage Temperature • • • • • -40 ˚C to +85 ˚C, see derating curve +105 ˚C max Natural convection 5-95% RH, non-condensing -40 ˚C to +125 ˚C EMC Emissions ESD Immunity Radiated Immunity EFT/Burst Surge Conducted Immunity Magentic Field • EN55022 class A conducted & radiated with no external components • EN61000-4-2, 4 kV contact discharge, Perf Criteria B • EN61000-4-3, 3 V/m, Perf Criteria A • EN61000-4-4, level 1, Perf Criteria A* • EN61000-4-5, level 1, Perf Criteria A • EN61000-4-6, 3 Vrms, Perf Criteria A • EN61000-4-8, 1 A/m, Perf Criteria A *External input capacitor required, 220 µF/100 V. Input Voltage Output Voltage Output Current 18-36 VDC 3.3 5.0 12.0 15.0 V V V V 14.0 12.0 5.0 4.0 A A A A 36-75 VDC 3.3 5.0 12.0 15.0 V V V V 14.0 12.0 5.0 4.0 A A A A Input Current (1) No Load Full Load 80 mA 2151 mA 100 mA 2762 mA 40 mA 2793 mA 40 mA 2793 mA 50 60 40 40 mA mA mA mA 1075 1389 1397 1397 Maximum Capacitive Load mA mA mA mA Efficiency Model Number 36000 20400 3550 2300 µF µF µF µF 91% 92% 91% 91% JCK6024S3V3 JCK6024S05 JCK6024S12 JCK6024S15 36000 20400 3550 2300 µF µF µF µF 91% 92% 91% 91% JCK6048S3V3 JCK6048S05 JCK6048S12 JCK6048S15 Notes 1. Input current specified at nominal input. 2. Measured with 1 µF ceramic capacitor in parallel with a 10 µF electrolytic across output rails and 20 MHz bandwidth. 3. For heatsink option, add ‘-HK’ to the end of the part number Mechanical Details 0.3 0.2 0.3 0.2 (7.62) (5.08) (7.62) (5.08) 0.2 (5.08) 4 5 6 7 Optional heatsink (-HK) Dia. 0.04 (1.0) 0.64 (16.3) 0.4 (10.16) PIN CONNECTIONS Pin Single 1 +Vin 2 -Vin 3 Remote On/Off 4 -Sense 5 +Sense 6 +Vout 7 -Vout 8 Trim 8 Printed Face 50.8 (2.0) 2.00 (50.80) Bottom View 45.7 (1.8) Notes 1 2 5.08 (0.2) 1. 2. 3. 4. 5. 3 10.16 (0.4) 0.24 (6.0) 27.9 (1.1) Thermal Pad All dimensions are in inches (mm). Weight: 0.154 lbs (70 g) approx Pin diameter: 0.04 ±0.002 (1.0 ±0.05) Pin pitch tolerance: ±0.014 (±0.35) Case tolerance: ±0.02 (±0.5) 50.8 (2.0) Application Notes External Output Trim Derating Curve 7 100% without heat-sink with heat-sink Load (%) 75% R trim-up Rtrim-up = (R2 + R3) x RTU (R2 + R3) - RTU -R4 Where: RTU = Where: RTD = 8 R1 x (R2 + R3) x K VREQ x R3 - (R2 + R3) x K 50% 6 25% R trim-down -40 -20 0 20 40 55 60 Ambient Temperature (ºC) 80 85 100 8 Rtrim-down = R1 x RTD R1 - RTD Model JCK60XXS3V3 JCK60XXS05 JCK60XXS12 JCK60XXS15 -R4 R1 8200 5100 7500 8200 R2 330 22 6200 6800 R3 5100 5100 3600 3000 R3 x (VREQ - K) R4 24000 15000 20000 24000 K -R2 K 1.24 2.495 2.495 2.495 Remote Sense If Remote Sense is not required, the +Sense and -Sense pins should be locally connected to +Vout and -Vout respectively. Remote sense can compensate for a total volt drop of 10%. When remote sense is used, output power must not exceed rated power. 29-Oct-13 DCDC JCK60 Models and Ratings