
17
LTC1159/LTC1159-3.3/LTC1159-5
TYPICAL APPLICATIU
Figure 14. 17W Dual Output High Efficiency 5V and 3.3V Regulator
P-GATE
V
IN
V
CC
P-DRIVE
V
CC
C
T
I
TH
SENSE
–
CAP
SHDN2
EXTV
CC
N-GATE
P-GND
S-GND
V
FB
SENSE
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1159
0.33
μ
F
0V = NORMAL
>2V = SHUTDOWN
0.22
μ
F
BAS16
BAS16
+
1000pF
1000pF
1k
24.9k
1%
100k
220
μ
F
10V
×
4
AVX
3.3V
OUTPUT
5V
OUTPUT
R
**
0.02
2200pF
2.2
μ
F
+
10
μ
F
BAS16
56pF
0.01
μ
F
1
μ
F
BAS16
BAS16
T*
Si9410DY
Si9410DY
Si9435DY
Si9435DY
MBRS140T3
1
μ
F
WIMA
+
47
μ
F
25V
×
2
OS-CON
V
IN
5.5V TO 24V
+
LTC1159 F14
*HURRICANE LAB HL-8700
**KRL SL-1-R020J
124k
1%
100
100
102k
1%
1k
+
220
μ
F
10V
×
2
AVX
+
Figure 13. High Efficiency 15V to 40V Input 12V/5A Output Regulator
P-GATE
V
IN
V
CC
P-DRIVE
V
CC
C
T
I
TH
SENSE
–
CAP
SHDN2
EXTV
CC
N-GATE
P-GND
S-GND
V
FB
SENSE
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1159
0.15
μ
F
0.1
μ
F
1N4148
1N4148
+
390pF
470
10.5k
1%
5M
3300pF
3.3
μ
F
1000pF
0V = NORMAL
>3V = SHUTDOWN
VN2222LL
100pF
100
100
IRFZ44
MBR350
1
μ
F
WIMA
+
100
μ
F
63V
×
2
SXC
V
15V TO 40V
L*
50
μ
H
R
SENSE
**
0.02
+
150
μ
F
16V
×
2
OS-CON
LTC1159 F13
V
12V/5A
*COILTRONICS CTX50-5-KM
**IRC LO-3-0.02
±
5%
IRF9Z34
HEAT SINK
90.9k
1%