L6563H
High voltage start-up transition-mode PFC
Features
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On-board 700 V start-up source
Tracking boost function
Fast “bidirectional” input voltage feedforward
(1/V2 correction)
Interface for cascaded converter's PWM
controller
Remote ON/OFF control
Accurate adjustable output overvoltage
protection
Protection against feedback loop
disconnection (latched shutdown)
Inductor saturation protection
Low (≤ 100 µA) start-up current
6 mA max. operating bias current
1% (@ T
J
= 25 °C) internal reference voltage
-600/+800 mA totem pole gate driver with
active pull-down during UVLO
Block diagram
SO16
SO-16
Applications
PFC pre-regulators for:
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Hi-end AC-DC adapter/charger
IEC61000-3-2 or JEITA-MITI compliant SMPS,
in excess of 400 W
Figure 1.
February 2010
Doc ID 16047 Rev 2
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