Datasheet
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PAH300-450 Series
Features
Standard Half Brick Footprint
18-36 or 36-76VDC Inputs
12V 29A - 48V 9.4A Nominal Outputs
Through Hole Mounting
Low 12.7mm Profi le
High operating effi ciencies (up to 92%)
Constant switching frequency
Baseplate cooling
300-450W Half Brick Converters
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 90°C to 100°C
(5) 28.8-52.8 PAH350S28-48
(6) 115-140% PAH350S28-48
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 / Off (See options) - Standard; Low = ON, Open = OFF /P option; Low = OFF, Open = ON
Temperature (operating) °C -40°C to +100°C baseplate, full power(4)
Temperature (storage) °C -40°C to +100°C
Temperature Coeffi 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.)
Amplitude - 0.825mm constant (Max 49 m/s
2
) X,Y,Z 1 hour each
Shock - 196.1m/s
2
Safety Agency Approvals - UL60950-1, CSA60950-1, EN60950-1, CE LVD (48V input models only)
Weight (Typ) g 110
Size (WxHxD) in(mm) 2.4x0.5x2.28 (61x12.7x57.9) See outline drawing
Warranty yrs 2 Years
Specifi cations
Key Market Segments & Applications