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ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - voltage regulators - DC DC switch controllers SSOP 28
29303132333435363738
LTC3810
35
3810fc
7V to 80V Input Voltage to 5V/5A with IC Power from 12V Supply
and All Ceramic Output Capacitors
PGOOD
MODE/SYNC
PGOOD
V
ON
V
RNG
I
TH
SGND
U
VIN
SHDN
V
FB
SGND PGND
PGND
SS/TRACK
I
ON
PLL/LPF
C
ON
100pF
C
SS
1000pF
V
IN
7V TO 80V
V
OUT
5V
5A
12V
C
C2
200pF
R
C
100k
R
FB2
1.89k
R
FB1
10k
LTC3810
EXTV
CC
TG
SENSE
–
BG
BGRTN
DRV
CC
INTV
CC
NDRV
BOOST
3810 TA04
C
B
0.1μF
C
DRVCC
0.1μF
C
VCC
1μF
R
UV2
61.9k
R
UV1
470k
R
ON
110k
DB
BAS19
M1
Si7852DP
M2
Si7852DP
D1
B1100
C
OUT
47μF
6.3V
s3
L1
4.7μH
SHDN
1
4
5
6
7
8
9
10
11
12
13
14
28
27
21
20
19
18
17
16
15
C
C1
5pF
C
IN1
68μF
100V
C
IN2
1μF
100V
SW
SENSE
+
26
25
15V to 80V Input Voltage to 3.3V/5A with Fault Timeout,
Pulse Skip and V
IN
UV Disabled
TYPICAL APPLICATIONS
PGOOD
MODE/SYNC
PGOOD
V
ON
V
RNG
I
TH
SGND
U
VIN
SHDN
V
FB
SGND PGND
PGND
SS/TRACK
I
ON
PLL/LPF
C
ON
100pF
C
SS
1000pF
V
IN
15V TO 80V
V
OUT
3.3V
5A
M3
ZVN4210G
C
C2
47pF
R
C
200k
R
FB2
1.89k
R
FB1
10k
LTC3810
EXTV
CC
TG
SENSE
–
BG
BGRTN
DRV
CC
INTV
CC
NDRV
BOOST
3810 TA05
C
B
0.1μF
C
DRVCC
0.1μF
C
VCC
1μF
R
ON
71.5k
R
NDRV
274k
DB
BAS19
M1
Si7852DP
M2
Si7852DP
D1
B1100
C
OUT1
270μF
6.3V
C
OUT2
10μF
6.3V
L1
4.7
μH
SHDN
1
4
5
6
7
8
9
10
11
12
13
14
28
27
21
20
19
18
17
16
15
C
C1
5pF
C
IN1
68μF
100V
C
IN2
1μF
100V
SW
SENSE
+
26
25
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