Transition mode PFC controller Integrated Circuit Chip L6562ADTR
electronics ic chip
,integrated circuit components
Features
■ Proprietary multiplier design for minimum THD
■ Very accurate adjustable output overvoltage
protection
■ Ultra-low (30µA) Start-up current
■ Low (2.5mA) quiescent current
■ Digital leading-edge blanking on current sense
■ Disable function on E/A input
■ 1% (@ TJ = 25 °C) internal reference voltage
■ -600/+800mA totem pole gate driver with active
pull-down during UVLO and voltage clamp
■ DIP-8/SO-8 packages
Applications
PFC pre-regulators for:
■ IEC61000-3-2 compliant SMPS (Flat TV,
monitors, desktop PC, games)
■ HI-END AC-DC adapter/charger up to 400W
■ Electronic ballast
■ Entry level server & web server
Figure 1. Block diagram

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