Daburn Electronics & Cable DC-DC Converter, 50 Watt Quarter Brick Regulated, 2:1 Input OFQ50

With a compact quarter brick package of 2.28" x 1.45" x 0.50", our 50 watt quarter brick DC-DC converter features adjustable output voltage, no minimum load and a single output up to 20A. This UL- and CE-approved design is upto 91% efficient. INPUT Input Voltages 48 Vdc: 36 - 72 Vdc Input Filter: LC Type Start Up Time Nominal Vin and Constant Resistive Load Power Up: 25 mS Typ Remote On/Off: 25 mS Typ Remote on/off Negative Logic DC-DC ON: Short or OV DC-DC OFF: Open or 3.5V Positive Logic DC-DC ON: Open or 3.5V DC-DC OFF: Short or OV OUTPUT Voltage Accuracy (FL and Nominal Vin): ±1.5% Voltage Adjustability: ±10%, -20% Line Regulation LL to HL at FL: ±0.2% Load Regulation NL to FL: 1.8 Vdc 5.4mV 2.5 Vdc: 7.5mV 3.3 Vdc: 10mV 5 Vdc: 15mV Ripple and Noise (20 MHz BW) Measured with a 1uF M/C & a 1OuFT/C: 100mVp-p Temperature Coefficient (at FL): ±0.02%/°C, max Transient Response, 25% load step change: 200 uS GENERAL Efficiency: 87 - 91% Isolation Voltage: 1600 Vdc, min. Isolation Resistance: 107 Ohms, min. Switching Frequency: 270 KHz, typ. Protection Over Voltage Protection: 120% Vout max. Over current protection threshold: 110 - 140% of load Short circuit protection: hiccup, automatic recovery ENVIRONMENTAL Operating Base Plate Temperature Range: -40 to 100°C Storage Temperature Range: -55 to 125°C Humidity, Max, Non-Condensing: 95% PHYSICAL Case Material: Aluminum Weight: 42 g (1.46 oz.) Dimensions: 2.28" x 1.45" x 0.50" (57.9 X 36.83 X 12.7 mm) EMC CHARACTERISTICS Conducted Emissions EN55022: Level A EN55022: Level B Radiated Emissions: EN550224, Level A ESD: EN61000-4-2, Perf. Criteria 2 Radiated Immunity: EN61000-4-3, Perf. Criteria 2 Fast Transient: EN61000-4-4, Perf. Criteria 2 Surge: EN61000-4-5, Perf. Criteria 2 Conducted Immunity: EN61000-4-6 Perf. Criteria 2