PAH300-450 Series 300-450W Half Brick Converters Features Standard Half Brick Footprint 18-36 or 36-76VDC Inputs 12V 29A - 48V 9.4A Nominal Outputs Through Hole Mounting Low 12.7mm Pro le High operating e ciencies (up to 92%) Constant switching frequency Baseplate cooling Key Market Segments & Applications Speci cations PAH300S, 350S, 450S Model (see model selector) Nominal Output Voltage VDC 12V 28V 48V Input Voltage range VDC 18-36 or 36-76 Input Current (max) A 6.8-17.4A (model dependant) Output Voltage Adjustment VDC 7.2 - 13.2 16.8 - 33 28.8 - 57.6(5) Ripple & Noise (max) (pk to pk) mV 200 280(1) 480 Line Regulation (max) mV 24 56 96 Load Regulation (max) mV 24 56 96 Overload Protection % 105 - 140%, constant current with auto recovery Overvoltage Protection (3) % 115-135% 125-140%(2) 125-145%(6) Remote Sense - Yes Remote On / O (See options) - Standard Low = ON, Open = OFF /P option Low = OFF, Open = ON Temperature (operating) C -40C to +100C baseplate, full power(4) Temperature (storage) C -40C to +100C Temperature Coe cient - 0.02%/C Humidity (operating) - 5-95% RH Non condensing Humidity (storage) - 5-95% RH Non condensing Cooling - Conduction (See Installation Manual for heatsink selection) Isolation Voltage VDC 1500VDC Input to output & baseplate, 500VDC Output to baseplate Vibration - Non Operating, 10-55Hz (sweep for 1 min.) 2 Amplitude - 0.825mm constant (Max 49 m/s ) X,Y,Z 1 hour each 2 Shock - 196.1m/s Safety Agency Approvals - IEC/UL/CSA/EN62368-1, 60950-1, CE Mark Weight (Typ) g 110 Size (WxHxD) in(mm) 2.4x0.5x2.28 (61x12.7x57.9) See outline drawing Warranty yrs 2 Years Note: See Installation Manual for full details, test methods of parameters and application notes (1) 240mV for PAH300 (2) 125-145% for PAH450S48-28 (3) Manual reset (4) PAH350S24-28 & -48: derate linearly to 85% load from 90C to 100C (5) 28.8-52.8 PAH350S24-48 (6) 115-140% PAH350S24-48-Vin CASE CNT +Vin PAH300-450 Series Model Selector Input Output Max. Max. Output E ciency Model Voltage (V) Voltage (V) Curr. (A) Power (W) Typ. (%) PAH300S24-12 18 - 36 12 25 300 87 PAH300S48-12 36 - 76 12 25 300 90 PAH350S48-12 36 - 76 12 29.2 350 89 PAH300S24-28 18 - 36 28 11 308 88 PAH350S24-28 18 - 36 28 12.5 350 88 PAH350S24-48 18 - 36 48 7.3 350 87 PAH300S48-28 36 - 76 28 11 308 90 PAH350S48-28 36 - 76 28 12.5 350 89 PAH450S48-28 36 - 76 28 16 448 92 PAH450S48-48 36 - 76 48 9.4 451 92 Outline Drawing Pinout Pin Description Function -Vin Negative Input Terminal +Vin Positive Input Terminal PAH350S48-12 CNT On / O Control terminal INPUT:36-76V 12.5A OUTPUT:12V 29.2A +V Positive Output Terminal -V Negative Output Terminal DC-DC TRIM Output adjustment Trim pin +S Positive Remote sense -S Negative Remote sense MADE IN JAPAN Options Su x Description - M3 Tapped inserts for mounting /T M3 clearance inserts for mounting /P Positive logic remote On/O (Not on PAH450S) Other DC-DC Products PAF 400-700W Full brick DC-DC PAH Other half brick DC-DC converters PAQ Quarter brick DC-DC converters PAE Eighth brick DC-DC converters PX 10-48W, 12-48V DC-DC For additional information, please visit