Daburn Electronics & Cable DC-DC Converter, 20 Watt Single and Dual Output for Railway RWB20

Designed for railway applications, our 20 watt single and dual output DC-DC converter meets UL60950-1, EN60950-1, IEC60950-1 and EN50155 standards and has an output current up to 2.4 A. This model also features a standard 1.00" x 2.00" x 0.40" package and its CE mark meets 2006/95/EC, 93/68/EEC and 2004/108EC. INPUT Voltage Range 24 Vdc nominal input: 18 - 36 Vdc 48 Vdc nominal input: 36 - 75 Vdc 110 Vdc nominal input: 43 - 160 Vdc Input Filter: Pi Filter Input Surge Voltage 24 Vdc input: 50 Vdc 1 sec, max. 48 Vdc input: 100 Vdc 1 sec, max. 110 Vdc input: 170 Vdc 1 sec., max. Input Reflected Ripple Current Normal input and full load: 30 mAp-p Startup Time Normal input and constant resistive load Power up: 30 ms, max. Remote On/On 30 ms, max. Startup Voltage 24 Vdc input: 9 Vdc, max. 48 Vdc input: 18 Vdc, max. 110 Vdc input: 43 Vdc, max. Shutdown Voltage 24 Vdc input: 8 Vdc 48 Vdc input: 16 Vdc 110 Vdc input: 40 Vdc Remote ON/OFF Positive Logic (Option) DC-DC ON: Open or 3V < Vr < 15V DC-DC OFF: Short or 0V < Vr < 1.2V Negative Logic (Standard) DC-DC ON: Short or 0V < Vr < 1.2V DC-DC OFF: Open or 3V < Vr < 15V Input Current of Remote Control Pin Nominal input: -0.5 mA - 1.0 mA Remote off state input current Nominal input: 2.5 mA OUTPUT Output Power: 20 Watts Voltage Accuracy: ±1% Minimum Load: 0% Voltage Adjustability Single: ±10% Line Regulation: LL to HL at Full Load Single: ±0.2% Dual: ±0.5% Load Regulation No Load to Full Load Single: ±0.2% Dual: ±1.0% 10% Load to 90% Load Single: ±0.1% Dual: ±0.8% Cross Regulation Asymmetrical Load 25%/100% FL Dual: ±5% Ripple and Noise 20MHz band width: 75 - 100 mVp-p Measured with a 1u50F/50V X7R MLCC Temperature Coefficient: ±0.2%/°C, max. Transient Response recovery time 25% load step change: 250μS Over voltage protection 3.3 Vdc output: 3.7 Vdc - 5.4 Vdc 5 Vdc output: 5.6 Vdc - 7.0 Vdc 12 Vdc output: 13.5 Vdc - 19.6 Vdc 15 Vdc output: 16.8 Vdc - 20.5 Vdc Overload Protection Percent of FL at nominal input: 150% Short Circuit Protection: Hiccup, automatic recovery GENERAL Efficiency: 85 - 89% Isolation Voltage Input to Output: 1600 Vdc, min. 1 minute Input (Output) to Case: 1000 Vdc, min. 1 minute Isolation Resistance: 109 ohms, min. Isolation Capacitance: 3000 pF, max. Switching Frequency: 330 KHz, ±10% Approvals and Standards: IEC60950-1, UL60950-1, EN60950-1, EN50155 Case Material: Nickel coated copper Base material: FR4 PCB Potting Material: Silicon (UL94-V0) Dimensions: 1.00 x 2.00 x 0.40 inches (25.4 x 50.8 x 10.2 mm) Weight: 30 g (1.06 oz.) MTBF BELLCORE TR-NWT-000332: 1.630 x 106 hrs MIL-HDBK-217F: 4.950 x 105 hrs ENVIRONMENTAL Operating Ambient Temperature: -40 to 101°C with derating Maximum Case Temperature: 105°C Storage Temperature Range: -55 to 125°C Thermal Impedance Natural Convection: 12°C Natural Convection with Heat Sink: 10°C Thermal Shock: EN61373, MIL-STD-810F Vibration: EN61373, MIL-STD-810F Relative Humidity: 5 - 95% RH EMC CHARACTERISTICS EMI: EN55022, EN55011 24 Vdc, 48 Vdc: Class B 110 Vdc: Class A ESD, EN61000-4-2, Perf. Criteria A Air: ±8KV Contact: ±6KV Radiated Immunity: EN61000-4-3, 20 V/m, Perf. Criteria A Fast Transient: EN61000-4-4, ±2KV, Perf. Criteria A Surge: EN61000-4-5, ±2KV, Perf. Criteria A Conducted Immunity: EN61000-4-6, 10 Vrms, Perf. Criteria A