Datasheet

LTC3813
10
3813fb
FUNCTIONAL DIAGRAM
6.2V
–
+
1.4V
0.7V
V
RNG
5
–
+
–
+
V
VOFF
I
IOFF
t
OFF
= (76pF)
R
SQ
20k
I
CMP
s
SHDN
SWITCH
LOGIC
BG
ON
OV
1.5V
EA
0.8V
13
3813 FD
SGND
R2
R1
12
RUN
SHDN
19
BGRTN
20
PGOOD
V
FB
DRV
CC
18
SENSE
+
25
SW
26
TG
BOOST
C
B
27
28
EXTV
CC
16
INTV
CC
NDRV
17
15
–
+
–
+
UV
0.72V
OV
0.85V
C
VCC
V
OUT
M2
M3
C
OUT
C
IN
+
D
B
6
+
+
V
IN
V
IN
SENSE
–
21
–
+
–
+
OVERTEMP
SENSE
0.8V
REF
5V
REG
7
10
I
OFF
1
V
OUT
V
IN
4
V
OFF
PLL/LPF
SYNC
UVIN
R
OFF
PLL-SYNC
–
+
V
IN
UV
14
–
+
INTV
CC
UV
–
+
–
+
OFF
ON
10V
0.8V
6.7V
10V
SHDN
2.6V
I
TH
C
C2
8
R
C
C
C1
SS
11
9
R
UV1
R
UV2
1.4μA
4V
FAULT
M1
L