
LTC3808
典型应用S
可同步,同步DC / DC转换器输出跟踪
V
IN
2.75V至8V
2
10nF
10k 1
8
1M 4
220pF
15k
6
12
11
10
13
14
MP
Si7540DP
10
1F
10F
1.18k
Vx
118k
100pF
电阻感应,同步DC / DC转换器与扩频调制
V
IN
2.75V至8V
301k
1000pF
1
2200pF
220pF
8
1M
15k
4
6
PLLLPF
IPRG
PGOOD
I
TH
LTC3808EDE
SENSE
–
TG
SW
13
10
14
2
12
11
0.03
R
SENSE
MP
Si4431BDY
L
1.5H
10
1F
10F
10nF
3
88.7k
TRACK / SS
BG
9
MN
Si4860DY
C
OUT
150F
100pF
U
SYNC / MODE
PLLLPF
IPRG
PGOOD
I
TH
LTC3808EDE
V
IN
SENSE
+
TG
SENSE
–
SW
L
1.5H
V
OUT
1.8V
( 5A 5V AT
IN
)
3
590
5
59k
TRACK / SS
BG
9
MN
Si7540DP
C
OUT
150F
+
V
FB
GND
15
RUN
7
L: VISHAY IHLP - 2525CZ -01
C
OUT
: SANYO 4TPB150MC
V
OUT
< Vx的
3808 TA02
SYNC / MODE
V
IN
SENSE
+
V
OUT
1.5V
2A
+
5
59k
V
FB
GND
15
RUN
7
L: VISHAY IHLP - 2525CZ -01
C
OUT
: SANYO 4TPB150MC
R
SENSE
: DALE 0.25W
3808 TA03
3808f
25