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LTC1265CS Datasheet(PDF) 14 Page - Linear Technology

Part # LTC1265CS
Description  1.2A, High Efficiency Step-Down DC/DC Converter
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1265CS Datasheet(HTML) 14 Page - Linear Technology

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LTC1265/LTC1265-3.3/LTC1265-5
TYPICAL APPLICATIONS
9V to 12V and – 12V Outputs
5V Buck-Boost Converter
L1A
††
33
µH
L1B
††
33
µH
1k
VIN
3.5V TO 7.5V
PWR VIN
VIN
LTC1265
SW
PGND
SGND
SHDN
SHDN
0.01
µF
100pF
VFB
SENSE+
4
3
5
6
7
14
2
1, 13
12
1N5818
11
10
9
8
LBIN
LBOUT
CT
ITHR
SENSE –
LTC1265 F09
3300pF
75pF
0.1
µF
CIN*
100
µF
16V
COUT*
100
µF
10V
RSENSE**
0.162
Ω
VOUT
5V
33
µF
10V*
1
2
75k
25k
4
3
•
TOP VIEW
3
1
2
4
•
L1B
L1B
L1A
L1A
MANUFACTURER
COILTRONICS
DALE
PART NO.
CTX33-4
LPT4545-330LA
VIN (V)
3.5
4.0
5.0
6.0
7.0
7.5
IOUT(MAX) (mA)
240
275
365
490
610
665
SANYO OS-CON CAPACITOR
IRC LRC2010-01-R162-J
L1A, L2A SELECTION
*
**
†
+
+
L1A
††
50
µH
L1B
††
50
µH
1k
VIN
4V TO 12V
PWR VIN
VIN
LTC1265
SW
PGND
SGND
SHDN
SHDN
0.01
µF
100pF
VFB
SENSE+
4
3
5
6
7
14
2
1, 13
12
MBRS130LT3
MBRS130LT3
11
10
9
8
LBIN
LBOUT
CT
ITHR
SENSE –
LTC1265 TA05
3300pF
75pF
0.1
µF
CIN*
68
µF
20V
COUT*
68
µF
20V
COUT*
68
µF
20V
RSENSE*
0.162
Ω
VOUT
–12V
VOUT
12V
33
µF**
25V
1
2
301k
34k
4
3
TOP VIEW
3
1
2
4
•
L1B
L1B
L1A
L1A
MANUFACTURER
COILTRONICS
DALE
PART NO.
CTX50-4
LPT4545-500LA
VIN (V)
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
IOUT(MAX) (mA)
40
60
80
100
115
130
150
165
180
SI19430DY
AVX TPSE686K020
AVX TPSE336K025
IRC LRC2010-01-R162-J
L1A,L2A SELECTION
*
**
†
††
1N914
•
+
+



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