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MC34261

Part Number	MC34261
Manufacturer	Motorola
Description	(MC33261 / MC34261) POWER FACTOR CONTROLLERS
Published	Oct 19, 2005
Detailed Description	Order this document by MC34261/D Power Factor Controllers The MC34261/MC33261 are active power factor controllers speci...
Datasheet	MC34261 PDF File

Overview

Order this document by MC34261/D Power Factor Controllers The MC34261/MC33261 are active power factor controllers specifically designed for use as a preconverter in electronic ballast and in off–line power converter applications.
These integrated circuits feature an internal startup timer, a one quadrant multiplier for near unity power factor, zero current detector to ensure critical conduction operation, high gain error amplifier, trimmed internal bandgap reference, current sensing comparator, and a totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input undervoltage lockout with hysteresis, cycle–by–cycle current limiting, and...

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