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AN667 DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR

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Description

® APPLICATION NOTE DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L6560/A TRANSITION MODE I.C.by G.Comandatore and U.Moriconi Act.
Supply Block (see fig.

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Preview of AN667 PDF

Datasheet Specifications

Part number
AN667
Manufacturer
ST Micro
File Size
493.89 KB
Datasheet
AN667_ST Micro.pdf
Description
DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR

Features

* are:
* Undervoltage lockout with hysteresis and micropower start-up.
* Stable error amplifier.
* Output overvoltage protection.
* Transition Mode Operating
* Zero Current and coil Voltage detection.
* Internal start oscillator. Device Blocks Descriptio

Applications

* Market interest (legislation to be considered) is also moving towards fairly low (36-150W) conversion power ranges (lighting, monitor). This paper describes an "easy to use" 8 Pin Controller that allows the realization of very low cost offline Power Factor Correction. Switching at a frequency much

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AN667 DESIGNING HIGH POWER FACTOR SWITCHING PREREGULATOR ST Micro
ST Micro AN667-like datasheet