Datasheet

LTC3612
11
3612fb
For more information www.linear.com/LTC3612
FUNCTIONAL BLOCK DIAGRAM
+
+
+
+
+
+
MODE
+
SLEEP
MODE
BURST
COMPARATOR
ITH SENSE
COMPARATOR
ERROR
AMPLIFIER
FOLDBACK
AMPLIFIER
0.6V
0.3V
R
0.555V
TRACK/SS
0.645V
DDR
EXPOSED PAD
3612 BD
SOFT-START
BANDGAP
AND
BIAS
+
+
V
FB
RUN
SGND
RT/SYNC ITH
SV
IN
– 0.3V
PV
IN
PV
IN_DRV
SV
IN
PGOOD
LOGIC
SW
SW
SW
SW
PGND
REVERSE
COMPARATOR
I
REV
OSCILLATOR
+
INTERNAL
COMPENSATION
CURRENT
SENSE
SLOPE
COMPENSATION
PMOS CURRENT
COMPARATOR
ITH
LIMIT
DRIVER