L6563S Datasheet, PDF (1/42 Pages) STMicroelectronics – Enhanced transition-mode PFC controller

L6563S
Enhanced transition-mode PFC controller
Features
■ 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
■ SO14 package
SO14
Applications
PFC pre-regulators for:
■ High-end AC-DC adapter/charger
■ Desktop PC, server, Web server
■ IEC61000-3-2 or JEITA-MITI compliant SMPS,
in excess of 400 W
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January 2010
Doc ID 16116 Rev 3
1/42
www.st.com
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