Datasheet

LTC3853
10
3853fa
FUNCTIONAL DIAGRAM
4.7V
–
+
–
+
–
+
–
+
V
IN
0.5µA
SLOPE
COMPENSATION
UVLO
SLOPE RECOVERY
ACTIVE CLAMP
OSC
S
RQ
3k
RUN
SWITCH
LOGIC
AND
ANTI-
SHOOT
THROUGH
BG
ON
FCNT
0.8V
OV
1
51k
1.2V0.64V
I
TH
R
C
INTV
CC
INTV
CC
I
LIM
I
THB
I
CMP
C
C1
EA
SS
SGND
R1
0.86V
R2
RUN
PGND
PGOOD
INTV
CC
EXTV
CC
I
REV
SW
TG
C
B
V
IN
C
IN
V
IN
SLEEP
BOOST
BURSTEN
–
+
–
+
UV
OV
C
VCC
V
OUT
C
OUT
M2
M1
L1
D
B
MODE/PLLIN
SENSE
+
SENSE
–
–
+
0.8V
REF
TK/SSRUN
0.55V
–
+
V
FB
FREQ/PLLFLTR
PLL-SYNC
MODE/SYNC
DETECT
+
+
5V
REG
1.3µA
C
SS
+
–
+
–
+
F
F
0.74V
3853 FD