SI9122 - 500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Drivers

Product Overview

Vishay Siliconix

Part number	SI9122
Manufacturer	Vishay Siliconix
File Size	218.26 KB
Description	500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Drivers
Datasheet	SI9122 Datasheet
Additional preview pages of the SI9122 datasheet.

Si9122 is a dedicated half-bridge IC ideally suited to fixed telecom applications where efficiency is required at low output voltages (e.g.

D 12-V to 72-V Input Voltage Range D Compatible with ETSI 300 132-2 D Integrated Half Bridge Primary Drivers (1-A Drive Capability) D Secondary Synchronous Signals With Programmable Deadtime Delay D Voltage Mode Control D Voltage Feedforward Compensation D High Voltage Pre-Regulator Operates During Start-Up D Current Sensing On Low-Side Primary Device D Frequency Foldback Eliminates Constant Current Tail D Advanced Maximum Current Control During Start-Up and Shorted Load D Low Input Voltage Dete.

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Published: Apr 8, 2005 |