ltc3810 Linear Technology Corporation, ltc3810 Datasheet - Page 34

• Manufacturer Part Number: ltc3810
• Description: 100v Current Mode Synchronous Switching Regulator Controller
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
LTC3810
TYPICAL APPLICATIONS
34
PGOOD
250kHz
CLOCK
PGOOD
SHDN
SHDN
R
470k
R
12k
61.9k
UV1
R
470k
R
UV2
UV1
UV2
0.01μF
R
1.89k
1k
R
FB2
FB2
1000pF
1000pF
C
80.6k
SS
C
Figure 19. 36V to 72V Input Voltage to 12V/10A Synchronized at 250kHz
20k
R
200k
SS
R
100k
C
10k
C
47pF
C
C
200pF
C2
C2
7V to 80V Input Voltage to 5V/5A with IC Power from 12V Supply
100pF
100pF
C
C
ON
ON
C
5pF
C1
C
5pF
C1
R
261k
R
110k
ON
10
11
12
13
14
ON
1
4
5
6
7
8
9
10
11
12
13
14
1
4
5
6
7
8
9
I
V
V
PGOOD
MODE/SYNC
I
V
PLL/LPF
SS/TRACK
SGND
SHDN
U VIN
ON
TH
ON
RNG
FB
I
V
V
PGOOD
MODE/SYNC
I
V
PLL/LPF
SS/TRACK
SGND
SHDN
U VIN
ON
TH
ON
RNG
FB
and All Ceramic Output Capacitors
LTC3810
LTC3810
SGND
SGND
R
10k
FB1
R
14k
FB1
SENSE
SENSE
EXTV
BOOST
BGRTN
INTV
DRV
SENSE
SENSE
EXTV
NDRV
BOOST
BGRTN
INTV
DRV
NDRV
TG
SW
BG
CC
CC
CC
TG
SW
BG
–
CC
CC
CC
+
+
–
28
27
26
25
21
20
19
18
17
16
15
28
27
26
25
21
20
19
18
17
16
15
CV
1μF
C
0.1μF
C
0.1μF
C
0.1μF
CV
1μF
B
DRVCC
C
0.1μF
R
CC
B
80.6k
DRVCC
NDRV
CC
10 Ω
BAS19
DB
BAS19
10 Ω
DB
12V
M3
ZXMN10A07F
C5
1μF
C5
22μF
M2
Si7852DP
M1
Si7852DP
M2
Si7852-
DP
M1
Si7852DP
C
68μF
100V
IN1
C
68μF
100V
IN1
D1
B1100
4.7μH
PGND
D1
B1100
10μH
PGND
L1
L1
3810 TA04
3810 F19
PGND
C
1μF
100V
PGND
IN2
C
1μF
100V
IN2
V
36V to 72V
IN
V
7V to 80V
IN
C
270μF
16V
OUT1
C
47μF
6.3V
× 3
OUT
V
5V
5A
OUT
C
10μF
16V
V
12V
10A
OUT2
OUT
3810fa