LTC1265/LTC1265-3.3/LTC1265-5
U
TYPICAL APPLICATIONS
4-NiCad Battery Charger
*DALE 593D226X0025D2W
**DALE 593D107X0016E2W
†DALE WSL2010-0.10-1%
††L1 SELECTION
V
IN
PART NO.
MANUFACTURER
8V TO 12.5V
2
1, 13
+
C
*
IN
22µF, 25V
0.1µF
DO3316-104
CTX100-4P
CD105-101
COILCRAFT
COILTRONICS
SUMIDA
V
PWR V
IN
IN
4
14
LB
IN
SW
MBRS130LT3
LTC1265
51Ω
3
5
12
11
10
9
LB
PGND
SGND
SHDN
OUT
C
T
L1††
100µH
FAST CHARGE: = 0V
TRICKLE CHARGE: > 2V
30k
CHARGER
ON/OFF
100pF
270pF
C
**
OUT
6
7
V
I
100µF
FB
THR
+
10V
8
1k
–
+
VN2222L
SENSE
SENSE
138k
†
1000pF
3300pF
R
SENSE
0.10Ω
MBRS130LT3
V
OUT
4 NICAD
1A FAST CHARGE
0.1A TRICKLE CHARGE
LTC1265 TA08
U
PACKAGE DESCRIPTION Dimension in inches (millimeters) unless otherwise noted.
0.337 – 0.344*
(8.560 – 8.738)
0.010 – 0.020
(0.254 – 0.508)
14
13
12
11 10
9
8
× 45°
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
0.008 – 0.010
(0.203 – 0.254)
0° – 8° TYP
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
0.050
(1.270)
BSC
0.014 – 0.019
(0.355 – 0.483)
TYP
0.016 – 0.050
(0.406 – 1.270)
S14 1298
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
*
7
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
**
1
2
3
4
5
6
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
Dual Version of LTC1147
Nonsynchronous, 8-Pin, V ≤ 16V
LTC1143
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
LTC1147
IN
LTC1148HV
LTC1174
Synchronous, V ≤ 20V
IN
V
≤ 18.5V, Comparator/Low Battery Detector
IN
LTC1474/LTC1475 Low Quiescent Current Step-Down Regulators
Monolithic, I = 40µA, 400mA, MS8
Q
LTC1574
Step-Down Switching Regulator with Internal 0.5A Switch
and Schottky Diode
V ≤ 18.5V, Comparator
IN
LTC1622
LTC1627
LTC1772
Low Input Voltage Step-Down DC/DC Controller
Constant Frequency, 2V to 10V V , MS8
IN
Monolithic Synchronous Step-Down Switching Regulator Constant Frequency, I
to 500mA, 2.65V to 8.5V V
IN
OUT
Constant Frequency Step-Down DC/DC Controller
SOT-23, 2.2V to 9.8V V
IN
126535fa LT/TP 1299 2K REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
16
●
●
(408)432-1900 FAX:(408)434-0507 www.linear-tech.com