DC-DC 15 Watts xppower.com JBK Series • Compact 1.1” x 1.0” Package • Efficiency to 89% • Fully Regulated Single Outputs • Remote On/Off • Input Undervoltage Protection • Fully Isolated 2250 VDC • SMD & Through-hole Versions Specification Input Input Voltage Range Input Current Input Filter Undervoltage Lockout General • 24 V (18-36 VDC) 48 V (36-75 VDC) • See table • Pi network • Turn on >71% nominal input Turn off <65% nominal input Output Output Voltage Output Voltage Trim Minimum Load Line Regulation Load Regulation Setpoint Accuracy Start Up Delay Start Up Rise Time Ripple & Noise Transient Response • • • • • • • • • See table ±10% No minimum load required ±0.2% max ±0.2% max ±1.5% max 20 ms max 3 ms max 75 mV pk-pk max for 3.3 & 5 V models, 100 mV pk-pk max for 12 & 15 V models 20 MHz BW (see note 3) • 5% max deviation, recovery to within 1% in 500 µs, 25% step load change • ±0.03%/°C max Temperature Coefficient Overcurrent Protection • 110-140% Short Circuit Protection • Trip & restart (Hiccup mode), auto recovery Overvoltage Protection • 3.3 V model 3.63-4.62 V 5.0 V model 5.50-7.00 V 12.0 V model 13.20-16.50 V 15.0 V model 16.50-21.00 V Remote On/Off • On >3.5 VDC or open circuit Off <1.2 VDC or short circuit Efficiency Isolation Switching Frequency MTBF • • • • See table 2250 VDC min Input to Output 400 kHz typical 1,000 kHrs min per MIL-HDBK-217F Environmental Operating Temperature • -40 °C to +100 °C, derate from 100% load at +70 °C to 0% load at +100 °C Storage Temperature • -40 °C to +125 °C Cooling • Convection-cooled Shock • 30 g, half sine wave 18 ms pulse applied 3 times on each of 6 axes Vibration • 5-500 Hz, 3 g, for 10 mins on each of 3 axes EMC Emissions ESD Immunity Radiated Immunity Conducted Immunity • Meets EN55022 Class B radiated & conducted with external components (see application notes) • EN61000-4-2, level 2 Perf Criteria A • EN61000-4-3, 3 V/m Perf Criteria A • EN61000-4-6, 3 V rms Perf Criteria A Input Voltage Output Voltage 3.3 V 5.0 V 12.0 V 15.0 V 3.3 V 5.0 V 12.0 V 15.0 V 18-36 VDC 36-75 VDC Input Current No load Full Load 50 mA 639 mA 50 mA 718 mA 40 mA 718 mA 40 mA 718 mA 30 mA 320 mA 30 mA 359 mA 30 mA 351 mA 30 mA 351 mA Output Current 4000 mA 3000 mA 1250 mA 1000 mA 4000 mA 3000 mA 1250 mA 1000 mA Model Number(1) JBK1524S3V3 JBK1524S05 JBK1524S12 JBK1524S15 JBK1548S3V3 JBK1548S05 JBK1548S12 JBK1548S15 Efficiency 86% 87% 87% 87% 86% 87% 89% 89% Notes 1. Standard pinout is through hole, add suffix ‘-S’ to model number for SMD version. 2. Add suffix ‘-N’ to model number for Remote On/Off negative logic. 3. Noise and ripple measured using 10 µF tantalum and 1 µF ceramic capacitor across the output. Mechanical Details Through-Hole Model SMD Model 0.200 (5.08) 0.200 (5.08) 2 4 0.15 (3.8) 0.800 (20.32) 1.10 (27.9) 0.080 (2.02) BOTTOM VIEW 5 0.098 (2.50) 6 1 0.040 (1.02) 0.15 (3.8) 0.800 (20.32) 6 0.36 (9.1) 0.080 (2.03) 0.098 (2.50) 2 1 BOTTOM VIEW 5 3 4 0.080 (2.02) 0.36 (9.1) 0.080 (2.03) 1.10 (27.9) 0.300 (7.62) 0.040 (1.02) 0.300 (7.62) 3 0.145 (3.68) 0.400 (10.16) 0.162 (4.11) 0.400 (10.16) 0.182 (4.62) 0.400 (10.16) 0.400 (10.16) PIN CONNECTION Pin Function 1 +V Input 2 -V Input 3 +V Output 4 Trim 5 -V Output 6 Remote On/Off 0.96 (24.4) All dimensions are in inches (mm) Tolerance: .xx = ±0.02 (.x = ±0.5) .xxx = ±0.10 (.xx = ±0.25) PIN CONNECTION Pin Function 1 +V Input 2 -V Input 3 +V Output 4 Trim 5 -V Output 6 Remote On/Off 0.96 (24.4) Application Notes Remote On/Off Control External Output Trim +Vout (3) Standard Remote On/Off logic is positive. Output ON = >3.5 VDC or open circuit Output OFF = <1.2 VDC or short circuit +Vout (3) TRIM DOWN TRIM (4) Optional Remote On/Off logic is negative (‘-N’ version). Output ON = <1.2 VDC or short circuit Output OFF = >3.5 VDC or open circuit TRIM U P -Vout (5) Input Filter L1 +Vin To meet level B emissions. 10K ohms TRIMPOT TRIM (4) -Vout (5) L2 C2 C1 +Vo +Vin JBK15 -Vo -Vin -Vin Model 24 V 48 V C1 C2 +Vo C3 330 µF/100 V 330 µF/100 V 1000 pF/2 kV L1 1.3 mH L2 0.27 mH 2.00 mH -Vo C3 17-Apr-07 DC-DC JBK Models and Ratings