STMicroelectronics 250W TRANSITION-MODE PFC PRE-REGULATOR WITH L6563S EVL6563S-250W EVL6563S-250W Fiche De Données
Codes de produits
EVL6563S-250W
Test results and significant waveforms
AN3119
24/32
Doc ID 16849 Rev 2
(#9), which is an open collector type, if it needs a pull-up resistor please connect it close to
the cascaded PWM for a better noise immunity.
the cascaded PWM for a better noise immunity.
Figure 35.
Interface circuits that let the L6563S
switch on or off a PWM controller -
not latched
switch on or off a PWM controller -
not latched
Figure 36.
Interface circuits that let the L6563S
switch on or off a PWM controller -
latched
switch on or off a PWM controller -
latched
!-V
/&&
/.
07-2%3
CONTROLLER
8
25.
07-?34/0
,!
5#X
5#X
,
,
,3
,!
!-V
,3
07-2%3
CONTROLLER
8
07-?,!4# (
,!
,!