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MC33261

ON Semiconductor
Part Number MC33261
Manufacturer ON Semiconductor
Description Power Factor Controllers
Published Apr 9, 2007
Detailed Description www.DataSheet4U.com MC34261, MC33261 Power Factor Controllers The MC34261/MC33261 are active power factor controllers s...
Datasheet PDF File MC33261 PDF File

MC33261
MC33261

Overview
www.
DataSheet4U.
com MC34261, MC33261 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 a latch for single pulse metering.
These devices are available in dual−in−line and surface mount plastic packages.
• Internal Startup Timer • One Quadrant Multiplier • Zero Current Detector • Trimmed 2% Internal Bandgap Reference • Totem Pole Output • Undervoltage Lockout with Hysteresis • Low ...


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