Datasheet Texas Instruments UCC28019DR — 数据表

UCC28019
www.ti.com SLUS755B – APRIL 2007 – REVISED DECEMBER 2007 8-Pin Continuous Conduction Mode (CCM) PFC Controller
FEATURES DESCRIPTION 1 8-pin Solution Without Sensing Line Voltage
Reduces External Components
Wide-Range Universal AC Input Voltage
Fixed 65-kHz Operating Frequency
Maximum Duty Cycle of 97%
Output Over/Under-Voltage Protection
Input Brown-Out Protection
Cycle-by-Cycle Peak Current Limiting
Open Loop Detection
Low-Power User Controlled Standby Mode APPLICATIONS CCM Boost Power Factor Correction Power
Converters in the 100 W to >2 kW Range
Server and Desktop Power Supplies
Telecom Rectifiers
Industrial Electronics
Home Electronics CONTENTS Electrical Characteristics 3
Device Information 10
Application Information 12
Design Example 23
Additional References 43 The UCC28019 8-pin active Power Factor Correction
(PFC) controller uses the boost topology operating in
Continuous Conduction Mode (CCM). The controller …