HV9123 Datasheet (Supertex Inc) - Current-Mode PWM Controller

HV9123, Current-Mode PWM Controller

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

HV9123 Features

* 10 to 450V input voltage range

* 1.0MHz clock

* >20:1 dynamic range @ 500kHz

* 99% Maximum duty cycle version

* Low internal noise Applications

* Off-line high frequency power supplies

* Universal inp