LED电源方案IC,L6562D ,SMD302

1 Featur
■ REALISED IN BCD TECHLOGY
■ TRANSITION-MODE CONTROL OF PFC PREREGULATORS
■ PROPRIETARY MULTIPLIER DIGN FOR
MINIMUM THD OF AC INPUT CURRENT
■ VERY PRECISE ADJUSTABLE OUTPUT
OVERVOLTAGE PROTEION
■ ULTRA-LOW (≤70μA) START-UP CURRENT
■ LOW (≤4 mA) QUICENT CURRENT
■ EXTENDED IC SUPPLY VOLTAGE RANGE
■ ON-CHIP FILTER ON CURRENT SENSE
■ DISABLE FUNION
■ 1% (@ Tj = 25 °C) INTERNAL REFERENCE
VOLTAGE
■ -600/+800mA TOTEM POLE GATE DRIVER WITH
UVLO PULL-DOWN AND VOLTAGE CLAMP
■ DIP-8/SO-8 PACKAG ECOPACK®
1.1 APPLICATIONS
■ PFC PRE-REGULATORS FOR:
– IEC61000-3-2 COMPLIANT SMPS (TV,
DK PC, MONITOR) UP TO 300W
– HI-END AC-DC ADAPTER/CHARGER
– ENTRY LEVEL SERVER & WEB SERVER
2 Dcription
The L6562 is a current-mode PFC controller operating
in Transition Mode (TM). Pin-to-pin compatible
with the predecsor L6561, it offers improved
performance.