SG3527A, SG3525A Datasheet - Microsemi

SG3527A Regulating Pulse Width Modulator

The SG1525A/1527A series of pulse width modulator integrated circuits are designed to offer improved performance and lower external parts count when used to implement all types of switching power supplies. The on-chip +5.1 V reference is trimmed to ±1% initial accuracy and the input common-mode rang.

SG3527A Features

* NOR logic, giving a LOW output for an OFF state. The SG1527A utilizes OR logic, which results in a HIGH output level when OFF. Block Diagram Features

* 8V to 35V Operation

* 5.1V Reference Trimmed to 1%

* 100Hz to 500kHz Oscillator Range

* Separate Oscillator Sync Terminal

* Ad

SG3525A-Microsemi.pdf