Document
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
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ORDERING INFORMATION
Device MC33368D MC33368P Operating Temperature Range TJ = –25° to +125°C
5.0 Vref Restart Delay Voltage FB Comp Mult Current Sense Zero Current AGnd
1 2 3 4 5 6 7 8
16 Line
13 Frequency Clamp 12 VCC 11 Gate 10 PGnd 9 LEB
MOTOROLA ANALOG IC DEVICE DATA
1
MC33368
Representative Block Diagram
Line Restart Delay Restart Delay Output Overvoltage FB Comp Mult LEB Current Sense ZC Det Multiplier/ Error Amplifier Current Sense WatchdogTimer/ Zero Current Detector PWM S S R Q VCC UVLO Internal Bias Generator Vref AGnd Gate PGnd Frequency Clamp Frequency Clamp
This device contains 240 active transistors.
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁ
Rating Symbol VCC VCC Value 20 16 Unit V V V V Power Supply Voltage (Transient) Power Supply Voltage (Operating) Line Voltage VLine Vin1 500 Current Sense, Multiplier, Compensation, Voltage Feedback, Restart Delay and Zero Current Input Voltage LEB Input, Frequency Clamp Input Zero Current Detect Input Restart Diode Current –1.0 to +10 Vin2 Iin Iin –1.0 to +20 ±5.0 5.0 V mA mA Power Dissipation and Thermal Characteristics P Suffix, Plastic Package Case 648 Maximum Power Dissipation @ TA = 70°C Thermal Resistance, Junction–to–Air Power Dissipation and Thermal Characteristics D Suffix, Plastic Package Case 751K Maximum Power Dissipation @ TA = 70°C Thermal Resistance, Junction–to–Air Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range PD RθJA 1.25 100 mW °C/W PD RθJA TJ TA 450 178 150 mW °C/W °C °C °C –25 to +125 –55 to +150 Tstg
NOTE: ESD data available upon request.
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
2
MOTOROLA ANALOG IC DEVICE DATA
MC33368
ELECTRICAL CHARACTERISTICS (VCC = 14.5 V, for typical values TA = 25°C, for min/max values TJ = –25 to +125°C)
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