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LTC1266CS Datasheet(PDF) 18 Page - Linear Technology

Part # LTC1266CS
Description  Synchronous Regulator Controller for N- or P-Channel MOSFETs
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1266CS Datasheet(HTML) 18 Page - Linear Technology

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18
LTC1266
LTC1266-3.3/LTC1266-5
TYPICAL APPLICATIO S (Layout Assist Schematics)
Figure 13. All N-Channel 5V to 3.3V/5A Converter with Drivers Powered from External PWR VIN Supply
Figure 12. 5V to 12V/500mA High Efficiency Boost Regulator
VOUT
12V/500mA
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TDRIVE
PWR VIN
PINV
BINH
VIN
CT
ITH
SENSE–
BDRIVE
PGND
LBOUT
LBIN
SGND
SHDN
VFB
SENSE+
LTC1266
1000pF
BINH
Si9410DY
+
C0UT
100
µF
20V
CC
3300pF
RC
1k
CT
200pF
LTC1266 • F12
DALE LPT4545-A002
COILTRONICS CTX20-4
MMBT2222ALT1
*
**
0.1
µF
CIN
100
µF
20V
1M
1M
13.7k
1%
180k
100k
1N4148
SHUTDOWN
D1
MBRS130LT3
100pF
0.068
Ω
L*
20
µH
118k
1%
VIN
4.3V TO 10V
(VIN (MIN) = 3.5V IF ILOAD < 100mA
+
Q1**
VIN
4V TO PWR VIN – 4.5V
(VIN(MIN) = 3.5V IF ILOAD < 2.5A)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TDRIVE
PWR VIN
PINV
BINH
VIN
CT
ITH
SENSE–
BDRIVE
PGND
LBOUT
LBIN
SGND
SHDN
NC
SENSE+
LTC1266-3.3
1
µF
1000pF
SHUTDOWN
BINH
RSENSE
0.02
Ω
L*
5
µH
Si9410DY
D1
MBRS140T3
Si9410DY
+
CIN
100
µF
20V
2
×
COUT
220
µF
10V
2
×
VOUT
3.3V
5A
CC
3300pF
RC
470
Ω
CT
180pF
LTC1266 • F13
COILTRONICS CTX0212801
*
PWR VIN
VIN + 4.5V TO 18V



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