L6566A
Figure 2. Typical system block diagram
Description
PFC PRE-REGULATOR
Rectified
Mains
Voltage
FLYBACK DC-DC CONVERTER
Voutdc
PWM/QR controller is turned off in case of PFC's
anomalous operation, for safety
L6562A
L6563S
L6564
L6566A
PFC is automatically turned off at light
load to ease compliance with
energy saving specifications.
Doc ID 13794 Rev 4
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