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KA3511

Fairchild Semiconductor
Part Number KA3511
Manufacturer Fairchild Semiconductor
Description Intelligent Voltage Mode PWM IC
Published Sep 20, 2006
Detailed Description www.DataSheet4U.com INTELLIGENT VOLTAGE MODE PWM IC GENERAL DESCRIPTION The KA3511/D is a fixed-frequency improvedperfo...
Datasheet PDF File KA3511 PDF File

KA3511
KA3511

Overview
www.
DataSheet4U.
com INTELLIGENT VOLTAGE MODE PWM IC GENERAL DESCRIPTION The KA3511/D is a fixed-frequency improvedperformance pulse-width modulation control circuit with complete housekeeping circuitry for use in the secondary side of SMPS (Switched mode power supply).
It contains various functions, which are precision voltage reference, over voltage protection, under voltage protection, remote on/off control, power good signal generator and etc.
OVP (Over voltage protection) section It has OVP functions for +3.
3V,+5V,+12V and PT outputs.
The circuit is made up of a comparator with four detecting inputs and without hysteresis voltage.
Especially, PT (Pin16) is prepared for an extra OVP input or another protection signal.
UVP (Under voltage protection) section It also has UVP functions for +3.
3V, +5V, +12V outputs.
The block is made up of a comparator with three detecting inputs and without hysteresis voltage.
Remote on/off section KA3511/D 22-DIP-400 / 24-SOP-300 ORDERING INFORMATI...


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