SQ6601PT Просмотр технического описания (PDF) - AUK -> KODENSHI CORP
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SQ6601PT Datasheet PDF : 8 Pages
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Semiconductor
SQ6601PT
Off-Line Quasi-Resonance Flyback Switching Regulator
Description
The SQ6601PT is a hybrid IC consists from power MOSFET and a controller IC, designed for Indirect feed-back
Quasi-Resonant (including low frequency PRC)fly-back converter type SMPS (Switching Mode Power Supply)
applications. this IC realizes high efficiency, low noise, downsizing and standardizing of a power supply system
reducing external components count and simplifying the circuit designs. the device is provided in a five pin over-
molded TO-220 style package, affording dielectric isolation without compromising thermal characteristics.
(Note). PRC is abbreviation of “Pulse Ratio Control” (On-width control with fixed OFF-time).
Features
• Quasi-Resonant Operation
• Low-loss, Pulse-Ration-Control standby mode
• Under-voltage lockout with Hysteresis
• Adjustable switching speed for EMI control
• Low start-up circuit current (100uA max)
• Active low-pass filter for stabilizing the operation in case of light load
• Avalanche Energy Guaranteed MOSFET with high VDSS
• Built-in constant voltage drive circuit
• Built-in step drive circuit
• Built-in low frequency PRC mode (≒20kHz)
• Pulse-by-pulse Overcurrent Protection (OCP)
• Overvoltage Protection with latch mode (OVP)
• Thermal Shutdown with latch mode (TSD)
• Over-molded Five-Pin Package
Ordering Information
Type NO.
Marking
SQ6601PT
SQ6601PT
Package Code
TO-220F-5FL
Package Outline
TO-220 Fullpack (5 Lead)
KSD-I0U001-000
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