LT3682
9
3682f
BLOCK DIAGRAM
V
IN
V
IN
V
OUT
C1
R
T
PG
RUN/SS
SYNC
R
T
+
–
INTERNAL 0.8V REF
2
+
–
SOFT START
0.720V
ERROR AMP
OSCILLATOR
250kHz-2.2MHz
DISABLE
SYNC
OUT
OUTB
+
–
+
–
BURST MODE
DETECT
THERMAL
SHUTDOWN
VC CLAMP
7
8
5
6
1
9
11
3
12
10
R1R2
FBGND
OVLO
SLOPE COMP
R
S
Q
DA
PGND
SW
BOOST
BD
V
C
C
C
C3
L1
D1
C2
C
F
R
C
3682 BD
13
4
