LTC3703 Linear Technology, LTC3703 Datasheet - Page 30

• Manufacturer Part Number: LTC3703
• Description: 100V Synchronous Switching Regulator Controller
• Manufacturer: Linear Technology

LTC3703
TYPICAL APPLICATIO S
30
*OPTIONAL ZENER PROVIDES UNDERVOLTAGE LOCKOUT ON INPUT SUPPLY, V
3300pF
R
330
C2
C
1500pF
100pF
C
R
3.2k
C3
C2
C2
C
260pF
C
C3
C2
36V-72V Input Voltage to 5V/10A Step-Down Converter with Pulse Skip Mode Enabled
R1
113k
1%
8.06k
R1
42k
1%
1%
R
22k
R2
8.06k
C1
120k
R
1%
R2
C1
C
8pF
R
0.1 F
15pF
R
C1
R
0.1 F
MAX
C
U
MAX
C
SET
Single Input Supply 12V/5A Output Step-Down Converter
C
C1
SS
R
SS
25k
SET
20k
25k
20k
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
MODE/SYNC
FSET
COMP
FB
I
INV
RUN/SS
GND
MAX
MODE/SYNC
FSET
COMP
FB
I
INV
RUN/SS
GND
MAX
LTC3703
LTC3703
BGRTN
BOOST
DRV
BOOST
BGRTN
DRV
V
SW
V
BG
TG
CC
CC
IN
V
SW
V
BG
TG
CC
CC
IN
9.3V TO 15V
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
V
CC
+
C
10 F
+
10
DRVCC
R
C
10
10
DRVCC
F
R
22 F
25V
F
F
22
25V
FZT600
F
UVLO
C
1 F
VCC
C
1 F
D
BAS21
C
0.1 F
VCC
B
B
D
BAS21
C
0.1 F
10 + V
B
B
100
36V TO 72V
Z
12V
M1
Si7456DP
M2
Si7456DP
V
10k
M1
Si7456DP
M2
Si7456DP
IN
*
4.7 H
+
L1
15 H
+
L1
C
22 F
100V
D1
MBR1100
220 F
IN
2
D1
MBR1100
C
22
100V
C
220
25V
IN
2
OUT
C
25V
OUT
V
15V TO 80V
F
2
IN
F
2
+
3703 TA01
+
3703 TA02
CMDSH-3
V
5V
10A
OUT
V
12V
5A
OUT
3703f