Datasheet

LTC3626
10
3626f
FUNCTIONAL DIAGRAM
RT
MODE/SYNC
ITH
IMON
OUT
IMON
IN
PGOOD
R
COMP
C
COMP
R
RT
OSC
PV
IN
SWITCH
LOGIC
AND
ANTI-
SHOOT-
THROUGH
I
ON
CONTROLLER
t
ON
=
V
VON
I
ION
R
S Q
ON
0.72V
160k
6V
RUN
TG
M1
L
BOOST
M2
BG
0.648V
0.552V
TRACK
MODE/SYNC
1.25V
RUN
INTV
CC
SW
PGND
SENSE
–
SENSE
+
FB
IDEAL
DIODES
INTERNAL
SOFT-START
R2
R1
TRACK/SS
PV
IN
SV
IN
C
IN2
R
IN
C
BST
C
INTVCC
C
OUT
C
SS
1.4µA
SGND
C
IN
V
ON
I
ON
–
+
–
+
–
+
RUN
OSC
PLL-SYNC
COMP
SELECT
DUTY
CYCLE
0.48V AT START-UP
0.10V AFTER START-UP
3.3V
REG
I
CMP
I
REV
A
V
= 1
–
+
EA
–
+
–
+
–
+
OV
UV
–
+
–
+
1.2V
OUTPUT
CURRENT
MONITOR
SS
3626 BD
0.6V
REF
INTV
CC
MODE
SELECT
BURST FC
–
+
–
+
TEMP
FAULT
CONTROL
TSETTMON
T
J
1V/200k