HV9123PJ Datasheet PDF - Supertex

●General Description

●The Supertex HV9123 is a Switch Mode Power Supply (SMPS) controller subsystem that can start and run directly from almost any DC input, from a 12V battery to a rectified and filtered 240VAC line. It contains all the elements required to build a single-switch converter except for the switch, magnetic assembly, output rectifier(s) and filter(s).

●Features

●► 10 to450V input voltage range

●► <1.3mA supply current

●►>1.0MHz clock

●►>20:1 dynamic range @ 500KHz

●►99% Maximum duty cycle version

●►Low internal noise

●Applications

●► Off-line high frequency power supplies

●► Universal input power supplies

●► High density power supplies

●► Very high efficiency power supplies

●► Extra wide load range power supplies