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| HCD SERIES FEATURES * 75 watts total output power 5V/3.3V, 5V/1.8V, 3.3V/2.5V, 3.3V/1.8V * independently regulated outputs * no minimum load * under-voltage lockout * efficiency up to 88% * half-brick package * tight line-load regulation The HCD series is a high density, half-brick size, high current, dual output dc/dc converter with through-hole mounting. The series provides on-board conversion of standard telecom and datacom input voltages to two independently regulated output voltages. T O 75 WATTS SPECIFICATIONS: HCD SERIES All specifications apply at 25 C ambient unless otherwise noted. GENERAL SPECIFICATIONS Efficiency........................................................see table Isolation Voltage (input to output)................1600 VDC Isolation Resistance (input to output)...........109 ohms Switching Frequency.......................................300 kHz INPUT SPECIFICATIONS Input Voltage Range...............................36 - 75VDC Input Filter....................................................L-C type OUTPUT SPECIFICATIONS Output Current............................................see table Voltage Accuracy.........................................+/- 1.5% Line Regulation (HL-LL) @ full load............+/- 0.2% Load Regulation (10-100% load).................+/- 0.2% Short Circuit Protection...........hiccup, auto recovery Ripple/Noise (20MHz BW).....................100 mV P-P Transient Response (25% load step).............200 uS ENVIRONMENTAL SPECIFICATIONS Operating Temperature (baseplate).......-40 to 100 C Storage Temperature...........................-55 to +125 C Humidity (non-condensing)...................5% to 95% RH Cooling.............................................heat sink optional PHYSICAL SPECIFICATIONS Dimensions...................................2.40" x 2.28" x 0.50" Weight.................................................................1.5 oz Case Material..............................................open frame Due to advances in technology, specifications subject to change without notice. 1 603 778 2300 W W W.WALLINDUSTRIES.C O M T O 75 WATTS Input Voltage (VDC) Output Voltage (VDC) Output Efficiency Model Current Number (A) HCD SERIES NOTES: 1. The on/off control function is positive logic (standard), or negative logic (optional). To order negative logic on/off, add the suffix "R". 2. The pin voltage is referenced to negative input. 3. Heat sink is optional, consult factory. 4. The efficiency test condition is at 7.5A on both outputs. 36-75 5/3.3 3.3/2.5 5/1.8 3.3/1.8 15/15 15/15 15/15 15/15 88% HCD48-533-75 81% HCD48-3325-75 85% HCD48-518-75 81% HCD48-3318-75 W W W.WALLINDUSTRIES.C O M 603 778 2300 2 |
Price & Availability of HCD48-3325-75
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