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LTC1159-5 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1159-5
High Efficiency Synchronous Step-Down Switching Regulators
Linear Technology
LTC1159-5 Datasheet PDF : 20 Pages
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LTC1159
LTC1159-3.3/LTC1159-5
TYPICAL APPLICATIO S
12V
V
IN
15V TO 40V
MPSA06
0.33
µ
F
0.1
µ
F
1N4148
1N4148
MPSA56
+
10
µ
F
1
P-GATE
CAP
16
0.15
µ
F
2
V
IN
15
SHDN2
3
V
CC
14
EXTV
CC
4
P-DRIVE
13
N-GATE
5
LTC1159-5
12
V
CC
PGND
6
C
T
SGND
11
750pF
0.047
µ
F
470
Ω
7
I
TH
8
SENSE
–
SHDN1
10
SENSE
+
9
*HURRICANE LAB HL-KK122T/BB
**DALE LVR-3-0.01
1N4148
MPSA56
SMP40P06
HEAT SINK
+
1200
µ
F
50V
×
2
LXF
1
µ
F
WIMA
L*
22
µ
H
R
SENSE
**
1
0.01
Ω
2
3
4
V
OUT
5V/10A
MTP75N05HD MBR350
+
220
µ
F
10V
×
3
OS-CON
SHUTDOWN
1000pF
18k
100
Ω
100
Ω
LTC1159 • F12
Figure 12. High Current, High Efficiency 15V to 40V Input 5V/10A Output Regulator
V
IN
15V TO 40V
1N4148
1N4148
+
100
µ
F
63V
×
2
Si4401DY
SXC
1
µ
F
WIMA
1
P-GATE
CAP
16
0.1
µ
F
0.15
µ
F
2
V
IN
3
V
CC
SHDN2
15
14
EXTV
CC
4
P-DRIVE
N-GATE
13
+
3.3
µ
F
5
V
CC
6
C
T
LTC1159
12
PGND
SGND
11
390pF
7
I
TH
10
V
FB
3300pF
8 SENSE
–
SENSE
+
9
470
Ω
5M
L*
50
µ
H
R
SENSE
**
1
0.02
Ω
2
V
OUT
3
4
12V/5A
Si4840DY
MBR350
100pF
1000pF
10.5k 90.9k
1%
1%
100
Ω
100
Ω
+
150
µ
F
16V
×
2
OS-CON
LTC1159 • F13
VN2222LL
0V = NORMAL
>3V = SHUTDOWN
*COILTRONICS CTX50-5-KM
**IRC LO-3-0.02
±
5%
Figure 13. High Efficiency 15V to 40V Input 12V/5A Output Regulator
17
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