DC-DC 15 Watts xppower.com JTH Series • 4:1 Input Range • 1500 VDC Isolation • Efficiency up to 86% • -40 °C to +100 °C Operating Temperature • Optional Remote On/Off • Single & Dual Outputs • Continuous Short Circuit Protection Specification Input General Input Voltage Range • 24 V (9-36 VDC) 48 V (18-72 VDC) Input Current • See table Input Filter • Pi network Input Reflected Ripple • 35 mA rms through 12 µH inductor, 5 Hz to 20 MHz Input Surge • 24 V models 50 VDC for 100 ms 48 V models 100 VDC for 100 ms Efficiency Isolation Isolation Capacitance Switching Frequency MTBF • See table • 1500 VDC Input to Output 1000 VDC Input to Case 1000 VDC Output to Case • 1200 pF typical • 300 kHz typical • >1.2 MHrs to MIL-STD-217F Environmental Output Output Voltage Voltage Balance Minimum Load Line Regulation Load Regulation • • • • • Setpoint Accuracy Start Up Rise Time Start Up Delay Ripple & Noise Transient Response • • • • • Temperature Coefficient Overcurrent Protection Short Circuit Protection Remote On/Off • See table ±1% No minimum load required ±0.5% ±0.5% 10-100% load, ±1.0% below 10% load ±1% <20 ms <10 ms 75 mV pk-pk 20 MHz BW 3% max deviation, recovery to within 1% in 200 µs for 25% load change 0.02%/°C • 140% typical of full load at nominal input • Trip & restart (Hiccup mode), auto recovery • Optional - see Application Note. On = +2.5 to +5.5 VDC or Open circuit Off = -0.7 to +0.8 VDC or short circuit Operating Temperature • -40 °C to +100 °C, derate from 100% load at +60 °C to 0% load at +100 °C Case Temperature • 100 °C max Cooling • Convection-cooled Operating Humidity • Up to 95% RH, non-condensing Storage Temperature • -40 °C to +125 °C EMC Emissions ESD Immunity Radiated Immunity EFT/Burst Conducted Immunity Magnetic Field • EN55022 Class A conducted & radiated with external components, see application note. • EN61000-4-2, 8 kV air discharge Perf Criteria A, 4 kV contact discharge Perf Criteria A • EN61000-4-3, Level 2 3 V/m Perf Criteria A • EN61000-4-4, Level 1 Perf Criteria B • EN61000-4-6, 3 V Perf Criteria A • EN61000-4-8, 1 A/m Perf Criteria A Input Voltage Range Output Voltage 3.3 V 5.0 V 12.0 V 15.0 V ±5.0 V ±12.0 V ±15.0 V 3.3 V 5.0 V 12.0 V 15.0 V ±5.0 V ±12.0 V ±15.0 V 9-36 VDC 18-72 VDC Input Current(1) No Load Full Load 25 mA 515 mA 25 mA 753 mA 25 mA 735 mA 25 mA 726 mA 25 mA 753 mA 25 mA 735 mA 25 mA 726 mA 20 mA 257 mA 20 mA 376 mA 20 mA 367 mA 20 mA 363 mA 20 mA 376 mA 20 mA 367 mA 20 mA 363 mA Output Current 3000 mA 3000 mA 1250 mA 1000 mA ±1500 mA ±625 mA ±500 mA 3000 mA 3000 mA 1250 mA 1000 mA ±1500 mA ±625 mA ±500 mA Efficiency 80% 83% 85% 86% 83% 85% 86% 80% 83% 85% 86% 83% 85% 86% Max Capacitive Load 3300 µF 3300 µF 680 µF 470 µF ±2200 µF ±470 µF ±330 µF 3300 µF 3300 µF 680 µF 470 µF ±2200 µF ±470 µF ±330 µF Model Number(2) JTH1524S3V3^ JTH1524S05^ JTH1524S12^ JTH1524S15^ JTH1524D05^ JTH1524D12^ JTH1524D15^ JTH1548S3V3^ JTH1548S05^ JTH1548S12^ JTH1548S15^ JTH1548D05^ JTH1548D12^ JTH1548D15^ Notes 1. Measured at nominal input voltage. 2. For optional Remote On/Off. add suffix ‘-R’ to model number. ^ Available from Newark. See pages 207-208. Mechanical Details All dimensions are in inches (mm). Tolerance x.xx = ±0.10 (±0.25). Weight 0.07 lbs (30 g). 0.40 0.40 (10.16) (10.16) 0.10 (2.54) 1.00 (25.40) 0.40 (10.16) 0.10 (2.54) DIA. 0.04 (1.00) 0.60 (15.24) 3 2.00 (50.80) 0.80 (20.32) Pin 1 2 3 4 5 6* 5 4 Bottom View 1 2 6 0.60 (15.24) PIN CONNECTIONS Single Dual +Vin +Vin -Vin -Vin +Vout +Vout No pin Common -Vout -Vout ROF* ROF* * Pin 6 only present with optional Remote On/Off 0.20 (5.08) Min 0.40 0.40 (10.16) 0.20 (10.16) (5.08) Application Notes Derating Curve Optional Remote On/Off On = +2.5 to +5.5 VDC on pin 6 WRT pin 2 or open circuit Off = -0.7 to +0.8 VDC on pin 6 WRT pin 2 or short circuit pin 2 & 6 Output Power (%) 100 Input current is typically 2.5 mA when output is remotely switched off. 75 Input Filter 50 +Vin L L = 12 µH C1 = 47 µF C2 = 33 µF 25 C1 -40 -20 0 20 40 60 80 100 120 C2 -Vin Ambient Temperature (°C) 27-Nov-08 DC-DC JTH Models and Ratings