LTC1265 LINER [Linear Technology], LTC1265 Datasheet - Page 16

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

PACKAGE
RELATED PARTS
LTC1265/LTC1265-3.3/LTC1265-5
16
TYPICAL APPLICATIONS
(0.203 – 0.254)
PART NUMBER
LTC1143
LTC1147
LTC1148HV
LTC1174
LTC1474/LTC1475 Low Quiescent Current Step-Down Regulators
LTC1574
LTC1622
LTC1627
LTC1772
**
0.008 – 0.010
*
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
TRICKLE CHARGE: > 2V
FAST CHARGE: = 0V
(0.254 – 0.508)
0.010 – 0.020
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
(0.406 – 1.270)
0.016 – 0.050
VN2222L
45
DESCRIPTION
Dual Step-Down Switching Regulator Controller
Step-Down Switching Regulator Controller
Step-Down Switching Regulator Controller
Step-Down Switching Regulator with Internal 0.5A Switch
Step-Down Switching Regulator with Internal 0.5A Switch
and Schottky Diode
Low Input Voltage Step-Down DC/DC Controller
Monolithic Synchronous Step-Down Switching Regulator
Constant Frequency Step-Down DC/DC Controller
DESCRIPTION
8V TO 12.5V
51
3300pF
0 – 8 TYP
270pF
V
(1.346 – 1.752)
0.053 – 0.069
(0.355 – 0.483)
IN
0.014 – 0.019
1k
TYP
U
4
3
5
6
7
U
LB
LB
C
I
SENSE
THR
T
V
IN
OUT
IN
2
LTC1265
Dimension in inches (millimeters) unless otherwise noted.
1000pF
–
PWR V
SENSE
PGND
SGND
SHDN
1, 13
SW
V
FB
IN
+
4-NiCad Battery Charger
14
12
11
10
9
8
(1.270)
0.050
BSC
CHARGER
ON/OFF
0.1 F
+
(0.101 – 0.254)
0.004 – 0.010
COMMENTS
Dual Version of LTC1147
Nonsynchronous, 8-Pin, V
Synchronous, V
V
Monolithic, I
V
Constant Frequency, 2V to 10V V
Constant Frequency, I
SOT-23, 2.2V to 9.8V V
IN
IN
C
22 F, 25V
IN
*
18.5V, Comparator/Low Battery Detector
18.5V, Comparator
MBRS130LT3
100pF
(5.791 – 6.197)
0.228 – 0.244
0.10
R
SENSE
Q
= 40 A, 400mA, MS8
†
IN
100 H
L1
20V
**
††
14
*
MANUFACTURER
COILCRAFT
COILTRONICS
SUMIDA
1
OUT
†
††
DALE 593D226X0025D2W
DALE 593D107X0016E2W
DALE WSL2010-0.10-1%
L1 SELECTION
IN
to 500mA, 2.65V to 8.5V V
IN
13
2
30k
138k
16V
126535fa LT/TP 1299 2K REV A • PRINTED IN USA
12
IN
3
(8.560 – 8.738)
+
0.337 – 0.344*
, MS8
MBRS130LT3
LINEAR TECHNOLOGY CORPORATION 1995
C
100 F
10V
OUT
PART NO.
DO3316-104
CTX100-4P
CD105-101
11
4
**
LTC1265 TA08
10
5
V
4 NICAD
1A FAST CHARGE
0.1A TRICKLE CHARGE
OUT
9
6
IN
8
7
(3.810 – 3.988)
0.150 – 0.157**
S14 1298