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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The PTH12040WAH is a 1-output 275W through hole-mount non-isolated Adjust Power Module uses the latest multiphase switched-mode topology. This provides a small, ready-to-use module, that can power the most densely populated multiprocessor systems. Operating from an input voltage range of 8 to 14V, the PTH12040W requires a single resistor to set the output voltage to any value over the range, 0.8 to 5.5V. The wide input voltage range makes the PTH12040W particularly suitable for advanced computing and server applications that utilize a loosely regulated 12V intermediate distribution bus. The modules incorporate a comprehensive list of features. They include ON/OFF inhibit and margin up/down controls. A differential remote output voltage sense ensures tight load regulation and an output overcurrent and over-temperature shutdown protect against most load faults. The programmable under-voltage lockout allows the turn-on and turn-off voltage thresholds to be customized.
ON/OFF inhibit
Differential output sense
Output overcurrent protection (non-latching, auto-reset)
Over-temperature protection
Auto-track sequencing
Start up into output pre-bias
Margin up/down controls
Multi-phase, switch-mode topology
Programmable under-voltage lockout (UVLO)
96% Efficiency

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PTH12040WAH Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	20 Pin
Case/Package	DIP-20
Supply Voltage (DC)	12.0 V
Power Rating	275 W
Number of Outputs	1 Output
Input Voltage (DC)	8.00V ~ 14.0V
Output Voltage	0.8V ~ 5.5V
Output Current	50 A
Number of Regulated Outputs	1 Output
Switching Frequency	900kHz ~ 1200kHz
Topology	Buck
Input Voltage (Max)	14 V
Input Voltage (Min)	8 V
Input Voltage (DC Max)	14 V
Input Voltage (DC Min)	8 v
Output Voltage (Max)	5.5 V
Output Voltage (Min)	800 mV
Output Current (Max)	50 A
Output Current (Min)	0 A
Input Power (Max)	275 W
Input Power (Max)	275 W
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	8V ~ 14V
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Size-Length	51.94 mm
Size-Width	26.54 mm
Size-Height	9.07 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

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