Contents

1

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

2

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

3

Maximum ratings ..................................................................4

4

Electrical characteristics...........................................................5

5

Typical performance ...............................................................7

6

Application information ............................................................9

6.1

External capacitors ............................................................. 9

6.2

Protection diodes............................................................... 9

6.3

Start-up block.................................................................. 9

7

Application circuits ...............................................................10

8

Device summary..................................................................12

9

Package information..............................................................13

9.1

DPAK (TO-252) package information ............................................. 13

9.2

DPAK (TO-252) packing information.............................................. 19

9.3

SOT223 package information ................................................... 21

9.4

SOT223 packing information .................................................... 22

Revision history .......................................................................24

Contents ..............................................................................25

List of tables ..........................................................................26

List of figures..........................................................................27

LM217M, LM317M

Contents

DS0522 - Rev 12

page 25/28