L99VR02XP datasheet(46/50 Pages) STMICROELECTRONICS

46 / 50 page

Contents

Block diagram and pin description .................................................3

1.1

Block diagram ................................................................. 3

1.2

Pin description ................................................................. 4

Electrical specifications ...........................................................6

2.1

Absolute maximum ratings ...................................................... 6

2.2

Thermal data .................................................................. 7

2.2.1

Thermal resistance ....................................................... 7

2.2.2

Thermal protection ...................................................... 8

2.3

Electrical characteristics ........................................................ 9

2.4

Electrical characteristics curves ................................................. 16

Test circuit and waveforms plot ...................................................21

3.1

Load regulation ............................................................... 21

Application information ..........................................................22

4.1

Voltage regulator ............................................................. 23

4.2

Output current limitation ....................................................... 23

4.3

Output voltage selection........................................................ 24

4.4

Enable ...................................................................... 25

4.5

Reset ....................................................................... 26

4.6

Autonomous watchdog ......................................................... 26

4.7

Thermal warning and thermal shutdown .......................................... 28

4.8

Thermal clusters .............................................................. 28

4.9

Overvoltage detection by advanced thermal warning read-out ........................ 30

4.10

Fast output discharge .......................................................... 31

4.11

Automatic voltage (de)tracking of LDO1 or tracking of an external LDO ................ 31

4.12

Undervoltage lockout (UVLO) ................................................... 37

4.13

Support to ISO26262 .......................................................... 37

Application .......................................................................38

PowerSSO-36 PCB thermal data ..................................................39

Package information..............................................................42

7.1

PowerSSO-36 (exposed pad down) package information ............................ 42

7.2

PowerSSO-36 (exposed pad down) packaging information .......................... 44

Revision history .......................................................................45

L99VR02XP

Contents

DS14686 - Rev 1

page 46/50

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