LTC1265 LINER [Linear Technology], LTC1265 Datasheet - Page 14

• Manufacturer Part Number: LTC1265
• Description: 1.2A, High Efficiency Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

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