Daburn Electronics & Cable DC-DC Converter, 100 Watt Half Brick 4:1 Ultra Wide Input Range, 2.28" X 2.40" X 0.50" HWB100

Our 100 watt half brick DC-DC converter for railway applications features an adjustable output voltage, optional sync and a remote control. It also includes short circuit, over voltage and over temperature protection, as well as an optional terminal block and heat sink. This series also meets UL60950-1, EN60950-1 and EN50155 safety standards. INPUT Voltage Range 24 Vdc nominal input, 3.3 and 5 Vout: 9 to 36 Vdc Others: 8.5 to 36 Vdc 48 Vdc nominal input: 16.5 to 75 Vdc 110 Vdc nominal input: 43 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 mS Remote ON/OFF: 75 mS Input surge voltage 1 sec., max. 24 Vdc nominal input: 50 Vdc 48 Vdc nominal input: 100 Vdc 110 Vdc nominal input: 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: ±0.1% Voltage and adjustability: -20 to 10% Remote sense: 10% Ripple and noise (measured by 20 MHz bandwidth) With a 1μF/25V X7R MLCC and 22μF/25V POS-CAP 3.3 and 5 Vout: 75 mVp-p 12 and 15 Vout: 100 mVp-p With a 4.7μF/25V X7R MLCC 24 and 28 Vout: 200 mVp-p With a 2.2μF/25V X7R MLCC 48 Vout: 300 mVp-p Temperature coefficient: ±0.02%/°C Transient response recovery time 25% load step change: 200 to 250μs Over voltage protection: 115 to 130% Short circuit protection: continuous, automatic recovery GENERAL Efficiency: 87 to 93% Isolation voltage (reinforced insulation, 110 Vin(nom)) Input to output: 3000 Vac Input to case: 1500 Vac Isolation voltage (basic insulation) Input to output: 2250 Vdc Input to case: 1600 Vdc Isolation resistance: 500 Vdc Isolation capacitance: 2500 pF Switching frequency 24 and 48 Vdc nominal input: 225 to 275 kHz 110 Vdc nominal input: 270 to 330 kHz ENVIRONMENTAL Operating case temperature Baseplate: -40 to 105°C Over temperature protection: 115°C Storage temperature range Terminal block type: -40 to 105°C Others: -55 to 125°C Thermal impedance Module without assembly option: 6.7°C/W Heat sink type with 0.24" height: 5.4°C/W Heat sink type with 0.45" height: 4.7°C/W Thermal shock: MIL-STD-810F Shock: EN61373, MIL-STD-810F Vibration: EN61373, MIL-STD-810F Relative humidity: 5 to 95% PHYSICAL Meets safety standards: UL60950-1, EN60950-1, IEC 60950-1 and EN50155 Case material 24 and 48 Vdc nominal input: Metal 110 Vdc nominal input: Aluminum baseplate with plastic case Base material 24 and 48 Vdc nominal input: FR4 PCB Potting material: silicone (UL94 V-0) Weight: 105 g. (3.70 oz.) MTBF: 4.087 x 105 hours, MIL-HDBK-217F, full load EMC CHARACTERISTICS EMI EN55011: Class A 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: ±2KV (Perf. Criteria A) Surge: EN61000-4-5 EN55024: ±2kV EN50155: ±2kV Conducted immunity EN61000-4-6: 10Vr.m.s (Perf. Criteria A)