Part UC1572
Description Negative Output Flyback Pulse Width Modulator
Manufacturer Unitrode
Size 283.91 KB
Unitrode

UC1572 Overview

Description

The UC3572 is a negative output flyback pulse width modulator which converts a positive input voltage to a regulated negative output voltage. The chip is optimized for use in a single inductor negative flyback switching converter employing an external PMOS switch.

Key Features

  • Simple Single Inductor Flyback PWM for Negative Voltage Generation
  • Drives External PMOS Switch
  • Contains UVLO Circuit
  • Includes Pulse-by-Pulse Current Limit
  • Low 50µA Sleep Mode Current