12

LTC1443/LTC1444/LTC1445

144345fa LT/TP 0100 2K REV A • PRINTED IN USA

©LINEAR TECHNOLOGY CORPORATION 1995

PART NUMBER

DESCRIPTION

COMMENTS

LT

Micropower Dual Reference

1.2V or 2.5V with 7V Auxiliary Reference

LT1179

Quad Micropower Single Supply Precision Op Amp

17

µA Max per Amplifier

LTC1285/LTC1288

3V Micropower Sampling 12-Bit ADCs

SO-8 Package, Auto Shutdown to 1nA

LT1389

Nanopower Precision Shunt Reference

800nA Operating Current, 0.05% Accuracy

LTC1440/LTC1441/LTC1442

Ultralow Power Single/Dual Comparator with Reference

2.8

µA Typical Quiescent Current

LT1495

Dual Precision Rail-to-Rail Input and Output Op Amp

1.5

µA Max per Amplifier

LT1521

300mA Low Dropout Regulator

12

µA Quiescent Current

LT1634

Micropower Precision Shunt Reference

10

µA Operating Current, 0.05% Accuracy

RELATED PARTS

Single Cell to 5V Supply

NC

NC

3

6

7

5

4

11

10

3

1

4

6

2, 4

16

15

13

12

LTC1443/44/45 • F06

7

5

1

2

3

14

8REF

C2, C3: AUX TPSD107M010R0100 OR

SANYO OS-CON 16SA100M

R5

51k

5%

2

81

C2

100

µF

C3

100

µF

R8

732k

1%

R9

267k

1%

PWR GND

GND

SW

L1

10

µH

SUMIDA

CD54-100

D1

1N5817

SEL

SENSE

SHDN

LT1300

Q1

MMFT2955ETI

C1

1

µF

R10

3.37M

5%

R11

51k

5%

R12

51k

5%

–

+

C

1/4 LTC1444

–

+

A

1/4 LTC1444

–

+

D

1/4 LTC1444

C4

0.22

µF

µP

NMI

RESET

R7

51k

5%

R2

82.5k

1%

R1

1.1M

5%

R3

1M

1%

1 CELL

LITHIUM-

ION

BATTERY

R4

2.4M

5%

R6

430

Ω

5%

LTC1444

REF

B

1/4 LTC1444

HYST

+

+

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

TYPICAL APPLICATIO