Datasheet

17
LTC1159
LTC1159-3.3/LTC1159-5
Figure 12. High Current, High Efficiency 15V to 40V Input 5V/10A Output Regulator
4
3
21
P-GATE
V
IN
V
CC
P-DRIVE
V
CC
C
T
I
TH
SENSE
–
CAP
SHDN2
EXTV
CC
N-GATE
PGND
SGND
SHDN1
SENSE
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1159-5
0.15µF
0.33µF
0.1µF
1N4148 1N4148
750pF
470Ω
100Ω
100Ω
18k
0.047µF
10µF
1000pF
SHUTDOWN
MTP75N05HD
MBR350
1µF
WIMA
1200µF
50V × 2
LXF
V
IN
15V TO 40V
12V
L*
22µH
R
SENSE
**
0.01Ω
220µF
10V × 3
OS-CON
LTC1159 • F12
V
OUT
5V/10A
*HURRICANE LAB HL-KK122T/BB
**DALE LVR-3-0.01
SMP40P06
HEAT SINK
MPSA56
MPSA06
MPSA56
1N4148
+
+
+
Figure 13. High Efficiency 15V to 40V Input 12V/5A Output Regulator
4
3
21
P-GATE
V
IN
V
CC
P-DRIVE
V
CC
C
T
I
TH
SENSE
–
CAP
SHDN2
EXTV
CC
N-GATE
PGND
SGND
V
FB
SENSE
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1159
0.15µF
0.1µF
1N4148 1N4148
390pF
470Ω
10.5k
1%
5M
3300pF
3.3µF
1000pF
0V = NORMAL
>3V = SHUTDOWN
VN2222LL
100pF
100Ω
100Ω
MBR350
1µF
WIMA
100µF
63V × 2
SXC
V
IN
15V TO 40V
L*
50µH
R
SENSE
**
0.02Ω
150µF
16V × 2
OS-CON
LTC1159 • F13
V
OUT
12V/5A
*COILTRONICS CTX50-5-KM
**IRC LO-3-0.02 ±5%
Si4401DY
Si4840DY
90.9k
1%
+
+
+
TYPICAL APPLICATIO S
U