Contents

1

Diagram ...........................................................................2

2

Pin configuration ..................................................................3

3

Typical application.................................................................4

4

Maximum ratings ..................................................................5

5

Electrical characteristics...........................................................6

6

Application information ............................................................8

6.1

Turn-on and soft startup feature .................................................. 8

6.2

Maximum load at startup ........................................................ 8

6.3

Normal operating conditions ..................................................... 8

6.4

Output voltage clamp ........................................................... 9

6.5

Current limiting ................................................................ 9

6.6

Thermal shutdown.............................................................. 9

6.7

En/Fault pin .................................................................. 10

6.8

Reverse blocking function ...................................................... 10

6.9

Application suggestions and PCB layout guidelines ................................. 10

7

Typical characteristics ............................................................12

8

Package information..............................................................17

8.1

TSOT23-8L package information ................................................ 17

8.2

DFN10 (3 x 3 mm) package information........................................... 20

8.3

TSOT23-8L packing information ................................................. 22

8.4

DFN10 (3 x 3 mm) packing information ........................................... 24

9

Ordering information .............................................................26

Revision history .......................................................................27

STEF12S

Contents

DS13002 - Rev 5

page 28/31