KA7500B Description
KA7500B controller circuit of PWM switch regulator adopts KA7500B. KA7500B PWM controller comprises of a 5V reference voltage circuit, two error amplifiers, a trigger, an output control circuit, a PWM comparator, a dead time comparator, and an oscillator. KA7500B ON Semiconductor can work at a switching frequency of 1khz ~ 300khz.
KA7500B Features
Adjustable UVLO, OVP cut off, output slew rate control
Fixed overvoltage clamp
Documentation available to aid functional safety system design
Reverse current blocking
Functional safety capable
KA7500B Applications
Programmable logic controller
Distributed Control System (DCS)
Control and automation
Redundant supply ORing
Industrial surge protection