15

LTC1154

S

APPLICATI

TYPICAL

Auto-Reset High-Side Switch with Over-Current

and Over-Current Temperature Shutdown

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of circuits as described herein will not infringe on existing patent rights.

SCSI Termination Power Switch with 1A Over-Current Shutdown,

Auto-Reset and Load Soft-Start

IN

EN

STATUS

GND

DS

G

SD

LTC1154

MTP12N06

12V

LTC1154 • TA13

12V

LOAD

18V

PTC

THERMISTOR

(100°C)*

200k

0.036

Ω

+

100

µF

1M

1M**

+

100

µF**

VN2222LL

ON/OFF

KEYSTONE RL2006-100-100-30-PT.

AUTO-RESET PERIOD

≈ 800ms WITH COMPONENTS SHOWN

*

**

5V

LTC1154 • TA14

0.1

µF

+

100

µF

47

µF

ON/OFF

+

10k

1N4148

MTD3055EL

1N4148

100k

100k

0.22

µF

1N5817

+

10

µF

4.25V/1A

20

Ω

IN

EN

STATUS

GND

DS

G

SD

LTC1154

1M

VN2222LL

+

1

µF

1M

0.1

Ω