TH8061 Datasheet, PDF (2/36 Pages) Melexis Microelectronic Systems – Voltage Regulator with integrated LIN Transceiver

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
3901008061
Page 2 of 36
June 2004
Rev 007