12

LTC1841/LTC1842/LTC1843

184123f LT/TP 1298 4K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1998

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT

Dual/Quad 17

µA Precision Single Supply Op Amps

70

LT1351

Single 250

µA, 3MHz, 200V/µs Op Amp with Shutdown

C-Load

LT1352/LT1353

Dual/Quad 250

µA, 3MHz, 200V/µs Op Amps

C-Load Op Amps Stable Driving Any Capacitive Load

LTC1440/LTC1540

Micropower Comparator with 1% Reference

1.182V

±1% Reference, ±10mV (Max) Input Offset

LTC1441/LTC1442

Micropower Dual Comparator with 1% Reference

1.182V

±1% Reference (LTC1442)

LTC1443/LTC1444/LTC1445

Micropower Quad Comparator with 1% Reference

LTC1443 Has 1.182V Reference, LTC1444/LTC1445 Have

1.221V Reference and Adjustable Hysteresis

LTC1474

Low Quiescent Current High Efficiency Step-Down

10

µA Standby Current, 92% Efficiency, Space Saving 8-Pin

Switching Regulator

MSOP Package

LT1495

1.5

µA Max, Dual Precision Rail-to-Rail

375

Input and Output Op Amp

LT1521

300mA Low Dropout Regulator with Micropower

0.5V Dropout Voltage, 12

µA Quiescent Current, Adjustable

Quiescent Current and Shutdown

Output 3V, 3.3V and 5V Fixed

LTC1541/LTC1542

Micropower Op Amp, Comparator and Reference

1.200V

±0.8% Reference (LTC1541) Op Amp Outputs Stable

with 1000pF Load

LT1634

Micropower Precision Shunt Voltage Reference

1.25V Output, 10

µA Operating Current, 0.1% Initial Accuracy

10ppm/

°C Max Drift

C-Load is a trademark of Linear Technology Corporation.

Low-Battery Load Disconnect and Charge Termination

–

+

–

+

1.2M

10k

2.55M

1-CELL

Li-Ion

BATTERY

453k

1.2M

2M

2M

LBO

HYST

3

5

Si9924DY

FULL CHARGE

LTC1843

2

4

OUT B

1841/43 TA03

8

OUT A 1

7

REF

6