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KA3511D Datasheet Intelligent Voltage Mode Pwm Ic

Manufacturer: Fairchild (now onsemi)

Overview: .. INTELLIGENT VOLTAGE MODE PWM IC GENERAL.

General Description

The KA3511/D is a fixed-frequency improvedperformance pulse-width modulation control circuit with plete 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.

Key Features

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  • Complete PWM control and house keeping Remote on/off section is used to control SMPS circuitry externally. If a high signal is supplied to the remote on/ off input, PWM signal becomes a high state and all.
  • Few external components secondary outputs are grounded. The remote on/off.
  • Precision voltage reference trimmed to 2% signal is transferred with some on-delay and off-delay time of 8ms, 24ms respectively.
  • Dual output for push-pull operation.

More Datasheets from Fairchild (now onsemi)

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KA3511D Distributor