Datasheet

EA
PWM
ILIM
40 PA
10 PA
SYNCHRONOUS
DRIVER LOGIC
OV UV
10 Ps
DELAY
0.71V
0.434V
SHUT DOWN
LOGIC
UVLO
SD
V
CC
SGND
FB EAO
BOOT
HG
LG
I
SEN
PWGD
SS/TRACK
PGND
90 PA
SSDONE
Soft-Start
Comparator
+ Logic
+
-
+
-
V
REF
= 0.6V
REF
PWM LOGIC
CLOCK &
RAMP
FREQ
PGND
1V
PP
LM2743
www.ti.com SNVS276G –APRIL 2004–REVISED MARCH 2013
Block Diagram
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