HV9120 Description
The Supertex HV9120 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 240V AC 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). A unique input circuit allows the HV9120 to self-start directly from a...
HV9120 Key Features
- 10 to 450V input voltage range
- <1.3mA supply current
- >1.0MHz clock
- >20:1 dynamic range @ 500KHz
- 49% Maximum duty cycle version
- Low internal noise