STMicroelectronics 19 V - 75 W SMPS using the L6563 and the L6566A EVL6566A-75WES4 EVL6566A-75WES4 Data Sheet

Product codes
EVL6566A-75WES4
Page of 43
December 2010
Doc ID 16116 Rev 4
1/43
43
L6563S
Enhanced transition-mode PFC controller
Features
Tracking boost function
Fast “bidirectional” input voltage feedforward 
(1/V
2
 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
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
SO14
Figure 1.
Block diagram 
         
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