CS51023A, CS51021A Datasheet - ON Semiconductor

CS51023A - PWM Controller

CS51023A Features

* required for AC

* DC or DC

* DC primary side control. Several features are included eliminating the additional components needed to implement them externally. In addition to low startup current (75 mA) and high frequency operation capability, the CS51021A includes overvoltage and undervo

CS51021A-ONSemiconductor.pdf