KA7500B Datasheet (Fairchild)

KA7500B, SMPS Controller

The KA7500B is used for the control circuit of the PWM switching regulator.

The KA7500B consists of 5V reference voltage circuit, two error amplifiers, a flip flop, an output control circuit, a PWM comparator, a dead time comparator and an oscillator.

This device can be operated in the switching fre

KA7500B Features

* Internal Regulator Provides a Stable 5V Reference Supply Trimmed to 5%

* Uncommitted Output TR for 200mA Sink or Source Current

* Output Control For Push-Pull or Single Ended Operation

* Variable Duty Cycle By Dead Time Control (Pin 4) Complete PWM Control Circuit