Daburn Electronics & Cable DC-DC Converter, 100 Watt Quarter Brick 4:1 Ultra Wide Input Range, 2.28" X 1.45" X 0.50" QB100

Our 100 watt quarter-brick DC-DC converter, ideal for railway applications, features a remote control, no minimum load requirement and low standby power consumption. Equipped with a compact 2.28" x 1.45" x 0.50" quarter brick package, these models also meet UL60950-1, EN60950-1 and IEC 60950-1 safety standards. INPUT Voltage Range 24 Vdc nominal input: 8.5 to 36 Vdc 48 Vdc nominal input: 16.5 to 75 Vdc 110 Vdc nominal input: 40 to 160 Vdc Start up voltage 24 Vdc nominal input: 9 Vdc 48 Vdc nominal input: 18 Vdc 110 Vdc nominal input: 43 Vdc Shutdown voltage 24 Vdc nominal input: 7.3 to 8.1 Vdc 48 Vdc nominal input: 15.5 to 16.3 Vdc 110 Vdc nominal input: 33 to 36 Vdc Start up time Constant resistive load, power up: 75 to 100 mS Constant resistive load, remote ON/OFF: 75 to 100 mS Input surge voltage 12 Vdc nominal input (1 sec.): 50 Vdc 24 Vdc nominal input (1 sec.): 100 Vdc 148 Vdc nominal input (1 sec.): 185 Vdc Input filter: pi type Remote ON/OFF Negative logic (Standard) DC-DC ON: Short or 0 to 1.2 Vdc DC-DC OFF: Open or 3 to 12 Vdc Positive logic (Option) DC-DC ON: Open or 3 to 12 Vdc DC-DC OFF: Short or 0 to 1.2 Vdc Input current of control pin: -0.5 to 1 mA Remote off input current: 3 mA OUTPUT Voltage accuracy: ±1 Line regulation Low line to high line at full load: ±0.1% Load regulation No load to full load, 3.3 and 5 Vout: ±0.2% No load to full load, others: ±0.1% Voltage and adjustability: -20 to 10% Remote sense: 10% Ripple and noise (measured by 20 mHZ bandwidth) With a 22µF/25V X7R MLCC 3.3 and 5 Vout: 75 mVp-p 12 and 15 Vout: 100 mVp-p With a 4.7µF/50V X7R MLCC 24 and 30 Vout: 200 mVp-p With a 2.2µF/100V X7R MLCC 48 Vout: 300 mVp-p Temperature coefficient: ±0.02%/°C Transient response recovery time 25% load step change: 250µS Over voltage protection: 115 to 130% Over load protection: 110 to 140% Short circuit protection: continuous automatic recovery GENERAL Efficiency: 89 to 93% Isolation voltage Input to output: 2250 Vdc Input to baseplate: 2250 Vdc Isolation resistance: 500 Vdc Isolation capacitance: 1500 pF Switching frequency: 270 to 330 kHz ENVIRONMENTAL Operating case temperature: -40 to 110°C Over temperature protection: 110°C Storage temperature range: -55 to 125°C Thermal impedance Without heat-sink: 9°C/W Mount on 2U iron baseplate: 2.8°C/W With 0.24" height heat sink With 0.5" height heat sink Thermal shock: MIL-STD-810F Vibration: MIL-STD-810F Relative humidity: 5 to 95% PHYSICAL Safety standards: UL60950-1, EN60950-1 and IEC60950-1 Case material: aluminum baseplate with plastic case Potting material: silicone (UL94 V-0) Weight 64 g. (2.26 oz.) MTBF: 3.873 x 105 hours, MIL-HDBK-217F, full load EMC CHARACTERISTICS EMI EN55022: Class B ESD: EN61000-4-2 Air: ±8kV Contact: ±6kV Radiated immunity EN61000-4-3: 20 V/m, Perf. Criteria A Fast transient EN61000-4-4: 20 V/m, Perf. Criteria A Surge EN61000-4-5 EN55024: ±2kV, Perf. Criteria A Conducted immunity EN61000-4-6: 10 Vr.m.s, Perf. Criteria A