STK73902 データシートの表示（PDF） - Inchange Semiconductor
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STK73902 Datasheet PDF : 3 Pages
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Thick Film Hybrid IC
STK73902
Self-excitation Type Feedback Control
Switching Regulator
INCHANGE
Features
﹒Power MOSFET devices
﹒Feedback control for high output voltage precision
﹒Driver circuit on-chip
﹒Overcurrent protection circuit on-chip
﹒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
Package Dimensions
unit:mm
Block Diagram
Pin Functions
(1) Amplifier circuit control
(2) Ground
(3) TR1 gate
(4) Drive voltage input
(5) Starting voltage input
(6) OCP setting level input
(7) OCP input-voltage dependency
detection input
(8) TR1 source
(9) TR1 source
(11) TR1 drain
(12) TR1 drain
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