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MC33368

Motorola
Part Number MC33368
Manufacturer Motorola
Description HIGH VOLTAGE GREENLINEE POWER FACTOR CONTROLLER
Published Oct 7, 2005
Detailed Description Order this document by MC33368/D MC33368 Advance Information High Voltage GreenLine™ Power Factor Controller The MC333...
Datasheet PDF File MC33368 PDF File

MC33368
MC33368


Overview
Order this document by MC33368/D MC33368 Advance Information High Voltage GreenLine™ Power Factor Controller The MC33368 is an active power factor controller that functions as a boost preconverter in off–line power supply applications.
MC33368 is optimized for low power, high density power supplies requiring a minimum board area, reduced component count and low power dissipation.
The narrow body SOIC package provides a small footprint.
Integration of the high voltage startup saves approximately 0.
7 W of power compared to resistor bootstrapped circuits.
The MC33368 features a watchdog timer to initiate output switching, a one quadrant multiplier to force the line current to follow the instantaneous line voltage a zero current detector to ensure critical conduction operation, a transconductance error amplifier, a current sensing comparator, a 5.
0 V reference, an undervoltage lockout (UVLO) circuit which monitors the VCC supply voltage and a CMOS driver for driving MOSFETs.
The MC33368 also includes a programmable output switching frequency clamp.
Protection features include an output overvoltage comparator to minimize overshoot, a restart delay timer and cycle–by–cycle current limiting.
HIGH VOLTAGE GREENLINE™ POWER FACTOR CONTROLLER SEMICONDUCTOR TECHNICAL DATA 16 1 P SUFFIX PLASTIC PACKAGE CASE 648 (DIP–16) • • • • • Lossless Off–Line Startup Output Overvoltage Comparator Leading Edge Blanking (LEB) for Noise Immunity Watchdog Timer to Initiate Switching Restart Delay Timer 16 1 D SUFFIX PLASTIC PACKAGE CASE 751K (SO–16) PIN CONNECTIONS 5.
0 Vref Restart Delay Voltage FB Comp Mult Package SO–16 DIP–16 Current Sense Zero Current AGnd 1 2 4 5 6 7 8 (Top View) DIP–16 SO–16 (Top View) This document contains information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc.
1997 Rev 2 GreenLine is a trademark of Motorola, Inc.
16 Line 15 N/C 14 N/C 13 Frequency Clamp 12 VCC 11 Gate 10 PGnd 9 LEB 3 ORDER...


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