LTC1265CS datasheet(16/16 Pages) LINER

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LTC1265/LTC1265-3.3/LTC1265-5

TYPICAL APPLICATIONS

4-NiCad Battery Charger

©LINEAR TECHNOLOGY CORPORATION 1995

126535fa LT/TP 1299 2K REV A • PRINTED IN USA

PACKAGE DESCRIPTION Dimension in inches (millimeters) unless otherwise noted.

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC1143

Dual Step-Down Switching Regulator Controller

Dual Version of LTC1147

LTC1147

Step-Down Switching Regulator Controller

Nonsynchronous, 8-Pin, VIN ≤ 16V

LTC1148HV

Step-Down Switching Regulator Controller

Synchronous, VIN ≤ 20V

LTC1174

Step-Down Switching Regulator with Internal 0.5A Switch

VIN ≤ 18.5V, Comparator/Low Battery Detector

LTC1474/LTC1475

Low Quiescent Current Step-Down Regulators

Monolithic, IQ = 40µA, 400mA, MS8

LTC1574

Step-Down Switching Regulator with Internal 0.5A Switch

VIN ≤ 18.5V, Comparator

and Schottky Diode

LTC1622

Low Input Voltage Step-Down DC/DC Controller

Constant Frequency, 2V to 10V VIN, MS8

LTC1627

Monolithic Synchronous Step-Down Switching Regulator

Constant Frequency, IOUT to 500mA, 2.65V to 8.5V VIN

LTC1772

Constant Frequency Step-Down DC/DC Controller

SOT-23, 2.2V to 9.8V VIN

††

100

µH

30k

138k

VIN

8V TO 12.5V

PWR VIN

VIN

LTC1265

PGND

SGND

SHDN

1000pF

3300pF

100pF

VFB

SENSE+

1, 13

MBRS130LT3

LBIN

LBOUT

ITHR

SENSE –

LTC1265 TA08

DALE 593D226X0025D2W

DALE 593D107X0016E2W

DALE WSL2010-0.10-1%

L1 SELECTION

†

††

270pF

0.1

µF

CIN*

µF, 25V

COUT**

100

µF

10V

VOUT

4 NICAD

1A FAST CHARGE

0.1A TRICKLE CHARGE

RSENSE

†

0.10

Ω

MANUFACTURER

COILCRAFT

COILTRONICS

SUMIDA

PART NO.

DO3316-104

CTX100-4P

CD105-101

CHARGER

ON/OFF

VN2222L

Ω

FAST CHARGE: = 0V

TRICKLE CHARGE: > 2V

0.016 – 0.050

(0.406 – 1.270)

0.010 – 0.020

(0.254 – 0.508)

× 45°

° – 8° TYP

0.008 – 0.010

(0.203 – 0.254)

S14 1298

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

TYP

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC

0.150 – 0.157**

(3.810 – 3.988)

0.337 – 0.344*

(8.560 – 8.738)

0.228 – 0.244

(5.791 – 6.197)

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

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com

LTC1265CS Datasheet(PDF) 16 Page - Linear Technology

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