1A Low Dropout Positive Adjustable or Fixed-Mode Regulator

AP1117

Anachip Corp.

www.anachip.com.tw

Rev.1.0 Aug 17, 2004

2/11

Connection Diagram

3 PIN SOT223

3 PIN TO252 / TO263

3 PIN TO220

Vin

Vout

Adj (GND)

Tab is Vout

( Top View )

3

2

1

Vin

Vout

Adj (GND)

Tab is Vout

Tab is Vout

Vin

Vout

Adj (GND)

( Top View )

3 PIN SOT89

Adj (GND)

Vout

Vin

3

2

1

1

3

2

Tab is Vout

3

2

1

Block Diagram

3

Thermal

Shutdown

1

2

Vout

Adj

1.25V

+

+

CURRENT

LIMIT

Vin

+

－

+

1

GND

(FIXED)