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LTC1159CS Datasheet(PDF) 17 Page - Linear Technology

Part # LTC1159CS
Description  High Efficiency Synchronous Step-Down Switching Regulators
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1159CS Datasheet(HTML) 17 Page - Linear Technology

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



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