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1/16 L6562 November 2005 1 Features ■ REALISED IN BCD TECHNOLOGY ■ TRANSITION-MODE CONTROL OF PFC PRE- ■ PROPRIETARY MULTIPLIER DESIGN FOR ■ VERY PRECISE ADJUSTABLE OUTPUT ■ ULTRA-LOW ( ≤ 70 µ A) START-UP CURRENT ■ LOW ( ≤ 4 mA) QUIESCENT CURRENT ■ EXTENDED IC SUPPLY VOLTAGE RANGE ■ ON-CHIP FILTER ON CURRENT SENSE ■ DISABLE FUNCTION ■ 1% (@ Tj = 25 °C) INTERNAL REFERENCE ■ -600/+800mA TOTEM POLE GATE DRIVER WITH ■ DIP-8/SO-8 PACKAGES ECOPACK ® 1.1 APPLICATIONS ■ PFC PRE-REGULATORS FOR: – IEC61000-3-2 COMPLIANT SMPS (TV, DESKTOP PC, MONITOR) UP TO 300W – HI-END AC-DC ADAPTER/CHARGER 2 Description The L6562 is a current-mode PFC controller oper- TRANSITION-MODE PFC CONTROLLER Figure 2. Block Diagram + - MULTIPLIER AND THD OPTIMIZER V REF2 OVERVOLTAGE DETECTION VOLTAGE REGULATOR UVLO INTERNAL SUPPLY 7V + - 2.5V R1 R2 R S Q + - DRIVER STARTER + - ZERO CURRENT DETECTOR DISABLE 2.1 V V CC 8 1 2 3 4 ZCD V CC INV COMP MULT CS GD 7 5 GND 6 25 V 40K 5pF 15 V Starter stop Rev. 8 Figure 1. Packages Table 1. Order Codes Part Number Package L6562N DIP-8 L6562D SO-8 L6562DTR Tape & Reel DIP-8 SO-8 |