LTC3703
典型应用
36V - 72V输入电压为5V / 10A降压型转换器，具有脉冲跳跃模式已启用
V
CC
9.3V至15V
+
1
16
MODE / SYNC
V
IN
R
SET
25k
2
15
f
SET
BOOST
LTC3703
3
14
TG
COMP
4
5
6
C
SS
0.1F
7
8
FB
I
最大
INV
RUN / SS
GND
SW
V
CC
DRV
CC
BG
BGRTN
13
12
11
10
9
22F
25V
V
IN
36V至72V
D
B
BAS19
+
C
B
0.1F
M1
Si7852DP
L1
4.7H
R
C1
10k
C
C2
1000pF
R2
21.5k
1%
C
C1
470pF
C
IN
68F
100V
×2
V
OUT
5V
10A
C
OUT
270F
10V
×2
R
最大
20k
R
F
10
M2
Si7852DP
+
R
C2
100
C
C3
2200pF
R1
113k
1%
C
DRVCC
10F
C
VCC
1F
D1
MBR1100
3703 TA01
单输入电源12V / 5A输出降压型转换器
100
FZT600
12V
10k
*
V
IN
15V至80V
+
1
R
SET
25k
R
C1
10k
C
C2
1000pF
R2
8.06k
1%
R1
113k
1%
C
C1
470pF
R
最大
12k
2
MODE / SYNC V
IN
f
SET
16
15
22F
25V
D
B
BAS19
+
C
B
0.1F
M1
Si7852DP
L1
8H
BOOST
LTC3703
3
14
TG
COMP
4
5
6
FB
I
最大
INV
RUN / SS
GND
SW
V
CC
DRV
CC
BG
BGRTN
13
12
11
10
9
C
DRVCC
10F
R
F
10
C
IN
68F
100V
CMDSH-3
V
OUT
12V
5A
C
OUT
270F
16V
+
C
SS
0.1F
7
8
M2
Si7852DP
R
C2
100
C
C3
2200pF
D1
MBR1100
C
VCC
1F
3703 TA02
*可选齐纳现状提供欠压闭锁输入电源，V
UVLO
10 + V
Z
3703fc
30
