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PHY4943D

ETC
Part Number PHY4943D
Manufacturer ETC
Description Power Supply Supervisor+PWM
Published Sep 29, 2011
Detailed Description www.DataSheet.co.kr PHY4943D Power Supply Supervisor + PWM Features � � � � � � � � PC half-bridge (or 494) power suppl...
Datasheet PDF File PHY4943D PDF File

PHY4943D
PHY4943D

Overview
www.
DataSheet.
co.
kr PHY4943D Power Supply Supervisor + PWM Features � � � � � � � � PC half-bridge (or 494) power supply � � � � � 280ms PG Time Delay Remote ON/OFF function 280 ms Time Delay for UVP On-chip error amplifier On-chip oscillator ,frequency is adjustable by external resistor � � � � PWM dead-time control Soft-start and maximum 90% duty cycle Compatible with WT7520 Pb-Free DIP-16L Package supervisor + PWM High integration & few external components Over-voltage protection for 3.
3V, 5V ,12V and PT Under-voltage protection for 3.
3V, 5V and 12V Over-voltage protection for extra voltage input Power-down warning circuitry Power good circuitry Delay time for PSON Applications � � ATX PC power TFT-LCD-TV � NLX /SFX power General Description PHY4943D controller is designed for switching mode power supply for desktop PCs.
It provides all the functions necessary to monitor and control the output of the power supply.
Remote ON/OFF control, power good circuitry, some protection feat...


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