PAH450S4848 Datasheet, PDF (1/2 Pages) TDK Electronics – 300W to 450W Half Brick Converters

300W to 450W Half Brick Converters
Features
u Standard Half Brick Footprint
u 18-36 or 36-76VDC Inputs
u 12V 29A - 48V 9.4A Nominal Outputs
u Through Hole Mounting
u Low 12.7mm Profile
u High operating efficiencies (up to 92%)
u Constant switching frequency
u Baseplate cooling
Key Market Segments & Applications
PAH300-450 Series
Specifications
Model
Nominal Output Voltage
Input Voltage range
Input Current (max)
Output Voltage Adjustment
Ripple & Noise (max) (pk to pk)
Line Regulation (max)
Load Regulation (max)
Overload Protection
Overvoltage Protection (3)
Remote Sense
Remote On / Off (See options)
Temperature (operating)
Temperature (storage)
Temperature Coefficient
Humidity (operating)
Humidity (storage)
Cooling
Isolation Voltage
Vibration
Amplitude
Shock
Safety Agency Approvals
Weight (Typ)
Size (WxHxD)
Warranty
VDC
VDC
A
VDC
mV
mV
mV
%
%
-
-
°C
°C
-
-
-
-
VDC
-
-
-
-
g
in(mm)
yrs
PAH300S, 350S, 450S
(see model selector)
12V
28V
48V
18-36 or 36-76
6.8-17.4A (model dependant)
7.2 - 13.2
16.8 - 33
28.8 - 57.6(5)
200
280(1)
480
24
56
96
24
56
96
105 - 140%, constant current with auto recovery
115-135%
125-140%(2)
125-145%(6)
Yes
Standard; Low = ON, Open = OFF /P option; Low = OFF, Open = ON
-40°C to +100°C baseplate, full power(4)
-40°C to +100°C
0.02%/°C
5-95% RH Non condensing
5-95% RH Non condensing
Conduction (See Installation Manual for heatsink selection)
1500VDC Input to output & baseplate, 500VDC Output to baseplate
Non Operating, 10-55Hz (sweep for 1 min.)
0.825mm constant (Max 49 m/s²) X,Y,Z 1 hour each
196.1m/s²
UL60950-1, CSA60950-1, EN60950-1, CE LVD (48V input models only)
110
2.4x0.5x2.28 (61x12.7x57.9) See outline drawing
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 90°C to 100°C
(5) 28.8-52.8 PAH350S28-48
(6) 115-140% PAH350S28-48
1-800-526-2324 • www.us.tdk-lambda.com/lp/
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