TH8061

Voltage Regulator with integrated LIN Transceiver

Contents

1.

Functional Diagram ............................................................................................................................... 4

2.

Electrical Specification.......................................................................................................................... 5

2.1

Operating Conditions........................................................................................................................ 5

2.2

Absolute Maximum Ratings ............................................................................................................. 5

2.3

Static Characteristics........................................................................................................................ 6

2.4

Dynamic Characteristics................................................................................................................... 8

2.5

Timing Diagrams .............................................................................................................................. 9

2.6

Test Circuit for Dynamic and Static Characteristics ....................................................................... 11

3.

Functional Description ........................................................................................................................ 13

3.1

Operating Modes............................................................................................................................ 13

3.2

Initialization..................................................................................................................................... 14

3.3

Wake-Up ........................................................................................................................................ 15

3.4

VSUP under voltage reset.............................................................................................................. 16

3.5

Overtemperature Shutdown ........................................................................................................... 16

3.6

LIN BUS Transceiver...................................................................................................................... 17

3.7

Linear Regulator............................................................................................................................. 19

3.8

RESET ........................................................................................................................................... 19

3.9

Mode Input EN ............................................................................................................................... 20

4.

Application Hints ................................................................................................................................. 22

4.1

Power Dissipation and operating range ......................................................................................... 22

4.2

Low Dropout Regulator .................................................................................................................. 23

4.3

Application Circuitry........................................................................................................................ 25

4.4

EMI Supressing .............................................................................................................................. 25

4.5

Connection to Flash-MCU .............................................................................................................. 27

5.

Operating during Disturbance............................................................................................................ 28

5.1

Operating without VSUP or GND ................................................................................................... 28

5.2

Short Circuit BUS against VBAT .................................................................................................... 28

5.3

Short Circuit BUS against GND ..................................................................................................... 28

5.4

Short Circuit TxD against GND ...................................................................................................... 28

5.5

TxD open........................................................................................................................................ 28

5.6

Short Circuit VCC against GND ..................................................................................................... 28

5.7

Overload of VCC ............................................................................................................................ 28

5.8

Undervoltage VSUP, VCC ............................................................................................................. 28

5.9

Short circuit RxD, RESET against GND or VCC............................................................................ 28

6.

PIN Description .................................................................................................................................... 29

7.

Mechanical Specification .................................................................................................................... 30

8.

Tape and Reel Specification ............................................................................................................... 31

8.1

Tape Specification.......................................................................................................................... 31

8.2

Reel Specification........................................................................................................................... 32

9.

ESD/EMC Remarks .............................................................................................................................. 33

9.1

General Remarks ........................................................................................................................... 33

9.2

ESD-Test ........................................................................................................................................ 33

9.3

EMC................................................................................................................................................ 33

10.

Revision History................................................................................................................................... 34

11.

Assembly Information ......................................................................................................................... 35

12.

Disclaimer............................................................................................................................................. 35

TH8061 – Datasheet

Page 2 of 36

3901008061

June 2004

Rev 007