Datasheet
LTC3810
11
3810fc
FUNCTIONAL DIAGRAM
–
+
–
+
1.4V
0.7V
FB
V
RNG
5
–
+
–
+
+
–
+
V
VON
I
ION
t
ON
= (76pF)
R
SQ
20k
I
CMP
I
REV
×
SHDN
SWITCH
LOGIC
BG
ON
FCNT
OV
1.5V
EA
0.8V
FAULT
13
3810 FD
SGND
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
0.88V
C
VCC
V
OUT
M2
M1
M3
L1
C
OUT
C
IN
+
D
B
6
+
+
V
IN
V
IN
SENSE
–
21
–
+
OVERTEMP
SENSE
FOLDBACK
0.8V
REF
5V
REG
INTV
CC
I
TH
’
7
10
I
ON
1
V
IN
V
IN
R
UV1
R
FB1
R
FB2
R
UV2
4
V
ON
PLL/LPF
MODE/SYNC
UVIN
R
ON
0.8V
–
+
F
TIMEOUT
LOGIC
INTV
CC
MODE
LOGIC
N
DRV
EXTV
CC
INTV
CC
PLL-SYNC
–
+
V
IN
UV
14
–
+
INTV
CC
UV
DRV OFF
100nA
1.4μA
270μA
–
+
–
+
OFF
ON
10V
6.7V
200μA
6.2V
12V
10V
SHDN
2.6V
4V
I
TH
C
C2
8
R
C
C
C1
SS/TRACK
11
9
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.