8

LTC1516

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

LT/GP 0796 7K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1996

1

2

7

4

8

3

6

5

LTC1516

0.1

µF

10

µF

0.1

µF

+

10

µF

+

1516 • TA02

SHDN

GND

SIM CARD

RST

CLK

I/O

GND

LEVEL SHIFT

3V

GSM

CONTROLLER

Fault-Protected SIM Interface Supply for

GSM Cellular Phones

0.1

µF

ON/OFF

10

µF

10

µF

0.1

µF

0.22

µF

2V TO 5V

CENTRAL SEMICONDUCTOR CMPSH-35 DUAL SCHOTTKY

Q1, Q2: 2N3904

*

**

+

2.2

µF

8.2k

3.3k

*

**

1516 • TA03

240

Ω

1

7

2

4

8

3

6

5

LTC1516

SHDN

GND

Q2

Q1

Generating 5V and a Negative Supply

PART NUMBER

DESCRIPTION

COMMENTS

LT

100mA Switched Capacitor Converter

Includes Reference and Amplifier for Regulation

LTC1144

20mA Switched Capacitor Converter for Up to 20V Inputs

Includes Micropower Shutdown (8

µA)

LTC1261

Positive to Negative Regulated Switched Capacitor Converter

Low Noise (5mV) Output for Up to 10mA Loads

LTC1262

5V to 12V Regulated Switched Capacitor Converter

Up to 30mA at Regulated Output

LTC1550/51

Low Noise Switched Capacitor Regulated Converter

Provides – 4.1V at 20mA with <1mV Ripple

RELATED PARTS

0.016 – 0.050

0.406 – 1.270

0.010 – 0.020

(0.254 – 0.508)

× 45°

0

°– 8° TYP

0.008 – 0.010

(0.203 – 0.254)

SO8 0695

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC

1

2

3

4

0.150 – 0.157**

(3.810 – 3.988)

8

7

6

5

0.189 – 0.197*

(4.801 – 5.004)

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

*

**

S8 Package

8-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

Dimensions in inches (millimeters) unless otherwise noted.