Contents

LNBH30

2/27

DocID023739 Rev 2

Contents

1

Block diagram.................................................................................. 5

2

Application information .................................................................. 6

2.1

Output current limit selection............................................................. 6

2.2

Output voltage selection.................................................................... 6

2.3

COMP: boost capacitors and inductor............................................... 6

2.4

Diagnostic and protection functions .................................................. 6

2.5

VMON: output voltage diagnostic...................................................... 7

2.6

PDO: overcurrent detection on output pull-down stage..................... 7

2.7

Power-on I²C interface reset and undervoltage lockout .................... 7

2.8

PNG: input voltage minimum detection ............................................. 7

2.9

OLF: overcurrent and short-circuit protection and diagnostic ............ 7

2.10

OTF: thermal protection and diagnostic ............................................ 8

3

Pin configuration ............................................................................. 9

4

Maximum ratings ........................................................................... 11

5

Typical application circuits........................................................... 12

6

I²C bus interface ............................................................................ 14

6.1

Data validity..................................................................................... 14

6.2

Start and stop condition .................................................................. 14

6.3

Byte format...................................................................................... 14

6.4

Acknowledge................................................................................... 14

6.5

Transmission without acknowledge................................................. 14

7

I²C interface protocol .................................................................... 16

7.1

Write mode transmission................................................................. 16

7.2

Read mode transmission ................................................................ 16

7.3

Data registers.................................................................................. 17

7.4

Status registers ............................................................................... 18

8

Electrical characteristics .............................................................. 20

9

Package information ..................................................................... 23

9.1

QFN16 (4x4 mm) package information ........................................... 24

10

Revision history ............................................................................ 26