Datasheet

PAH-28 Vout, 350-Watt Series
Isolated, 350-Watt, Half-Brick DC-DC Converters
MDC_PAH-28Vout-350W.B05 Page 4 of 21
www.murata-ps.com/support
OUTPUT Conditions Minimum Typical/Nominal Maximum Units
Total Output Power 0 350 357 W
Voltage
Setting Accuracy At 100% load, no trim, all conditions 27.44 28 28.56 Vdc
Output Adjust Range 16.8 32.2 Vdc
Overvoltage Protection 34 34.6 37 Vdc
Current
Output Current Range 0 12.5 12.5 A
Minimum Load No minimum load
Current Limit Inception ➃
98% of Vnom., cold 14 16 19 A
Short Circuit
Short Circuit Current
Hiccup technique,
autorecovery within ±1% of Vout
0.03 A
Short Circuit Duration
(remove short for recovery)
Output shorted to ground, no damage Continuous
Short circuit protection method Hiccup current limiting Non-latching
Regulation ➄
Line Regulation Vin = 18-36, Vout = nom., full load ±0.125 %
Load Regulation Iout = min. to max., Vin = nom. ±0.25 %
Ripple and Noise 20 MHz BW, Cout = 1µF paralleled with 10µF 75 200 mV pk-pk
Temperature Coeffi cient At all outputs 0.02 % of Vnom./°C
Maximum Output Capacitance
(Loads : CR mode) 470 3,300 F
(Loads : CC mode) 470 2,200 F
MECHANICAL
Outline Dimensions with baseplate; see mechanical drawings 2.3 x 2.4 x 0.5 Inches
58.4 x 60.96 x 12.7 mm
Weight 3.42 Ounces
97 Grams
Through Hole Pin Diameter Pins 1–4, 6–8/5,9 0.04/0.08 Inches
1.016/2.032 mm
Through Hole Pin Material Copper alloy
TH Pin Plating Metal and Thickness Nickel subplate 100-299 µ-inches
Gold overplate 10.31 µ-inches
ENVIRONMENTAL
Operating Ambient Temperature Range with derating -40 85 ˚C
Operating Baseplate Temperature -40 115 ˚C
Storage Temperature Vin = Zero (no power) -55 125 ˚C
Thermal Protection/Shutdown
(with "B" Suffi x)
115 125 130 ˚C
Electromagnetic Interference
Conducted, EN55022/CISPR22
External fi lter required;
see emissions performance test.
B Class
RoHS rating RoHS-6
FUNCTIONAL SPECIFICATIONS, PAH-28/12.5-D24 (CONT.)