DCDC 15 Watts JTH Series xppower.com • 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 • 3 Year Warranty Specification Input Input Voltage Range Input Current Input Filter Input Reflected Ripple Current Input Surge Undervoltage Lockout General • 24 V (9-36 VDC) 48 V (18-72 VDC) • See table • Pi network • 35 mA rms through 12 µH inductor • 24 V models 40 VDC for 100 ms 48 V models 80 VDC for 100 ms • 24 V models ON 8.6 V, OFF 8 VDC typical 48 V models ON 16.0 V, OFF 14 V typical • See table • 1500 VDC Input to Output 1000 VDC Input to Case 1000 VDC Output to Case Isolation Resistance Isolation Capacitance Switching Frequency Power Density MTBF • • • • • 109Ω 1200 pF typical 300 kHz typical 18.75 W/in3 >1.21 MHrs to MIL-HDBK-217F at 25 °C, GB Environmental Output Output Voltage Minimum Load Line Regulation Load Regulation • • • • Cross Regulation Setpoint Accuracy Start Up Delay Start Up Rise Time Ripple & Noise Transient Response • • • • • • Temperature Coefficient Overvoltage Protection Overcurrent Protection Short Circuit Protection • Remote On/Off Maximum Capacitive Load Efficiency Isolation See table No minimum load required ±0.5% ±0.5% 10-100% load, ±1.0% 10% load ±5% on dual output models (see note 3) ±1% <10 ms <20 ms 75 mV pk-pk 20 MHz bandwidth 3% max deviation, recovery to within 1% in 200 µs for 25% load change 0.02%/°C • None • 140% typical of full load at nominal input • Trip & restart (hiccup mode), auto recovery • Optional (see application note) • See table 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 EFT/Burst Surge 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 • EN61000-4-4, level 1 Perf Criteria A* • EN61000-4-5, installation class 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 Range Output Voltage 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 Output Current 9-36 VDC 3.3 5.0 12.0 15.0 ±5.0 ±12.0 ±15.0 V V V V V V V 3000 3000 1250 1000 ±1500 ±625 ±500 mA mA mA mA mA mA mA 18-72 VDC 3.3 5.0 12.0 15.0 ±5.0 ±12.0 ±15.0 V V V V V V V 3000 3000 1250 1000 ±1500 ±625 ±500 mA mA mA mA mA mA mA 20 20 20 20 20 20 20 mA mA mA mA mA mA mA 257 376 367 363 376 367 363 Efficiency mA mA mA mA mA mA mA Max. Capacitive Load Model Number(2) 80% 83% 85% 86% 83% 85% 86% 3300 3300 680 470 ±2200 ±470 ±330 µF µF µF µF µF µF µF JTH1524S3V3 JTH1524S05 JTH1524S12 JTH1524S15 JTH1524D05 JTH1524D12 JTH1524D15 80% 83% 85% 86% 83% 85% 86% 3300 3300 680 470 ±2200 ±470 ±330 µF µF µF µF µF µF µF 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. 3. Cross regulations is ±5% when one output is at 100% and the other is varied between 25% and 100%. Mechanical Details 0.40 (10.1) 0.10 (2.5) 1.00 (25.4) 0.40 (10.1) 0.10 (2.5) 3 0.80 (20.3) Pin 1 2 3 4 5 6* ø 0.04 (1.0) 0.60 (15.2) 2.00 (50.8) 0.40 (10.1) 5 4 Bottom View 1 2 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 6 Notes 0.60 (15.2) 0.40 (10.1) 0.20 (5.0) 0.20 (5.0) Min 0.40 (10.1) 1. All dimensions are in inches (mm). 2. Weight: 0.07 lbs (30 g) 3. Pin diameter: 0.04 +/- 0.002 (1.0 +/- 0.05) 4. Pin pitch tolerance: +/-0.014 (+/-0.35) 5. Case tolerance: +/- 0.02 (+/-0.5) 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 50 Input Filter +Vout 25 +Vin + 12 µF -40 -20 0 20 40 60 Ambient Temperature (°C) 80 100 47 µF 120 - DC/DC Converter 33 µF Load -Vin -Vout 30-June-11 DCDC JTH15 Models and Ratings