STK730-010 Datasheet, PDF (1/3 Pages) Sanyo Semicon Device – Self-Excitation Type Semi-Regulated Switching Regulator (110W Output)

Thick Film Hybrid IC
STK730-010
Self-excitation Type Semi-Regulated
Switching Regulator
INCHANGE
‹ Features
Power MOSFET devices
Ideal for semi-regulated control switching supplies
Error detection circuit on-chip (40.50.5V
set reference voltage)
Pin compatible with all other devices in the same
series of devices with 110 to 280W power ratings
Higher oscillator frequency allows the use of
smaller pulse transformers
‹ Applications
CRT/CTV power supplies
Office automation equipment power supplies
‹ Block Diagram
Package Dimensions
unit:mm
Pin Functions
(1) Vref(40.5V typ) input
(2) Error detection level
(3) Ground
(4) Drive voltage input
(5) TR1 gate
(6) Amplifier circuit control
(7) OCP setting level input
(8) TR1 source
(9) TR1 source
(11) TR1 drain
(12) TR1 drain