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Supertex inc.
HV9123
High-Voltage,
Current-Mode PWM Controller
Features
►► 10 to 450V 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
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.
HV9123 Datasheet
