TH8062
Voltage Regulator with LIN Transceiver
Contents
1.
Functional Diagram ............................................................................................................................... 4
2.
Electrical Specification.......................................................................................................................... 5
2.1
2.2
2.3
Operating Conditions ....................................................................................................................................... 5
Absolute Maximum Ratings ............................................................................................................................. 5
Static Characteristics ....................................................................................................................................... 6
2.3.1.
2.3.2.
Voltage Regulator and Reset Unit .......................................................................................................... 6
LIN Bus Interface.................................................................................................................................... 8
Dynamic Characteristics .................................................................................................................................. 9
Timing Diagrams............................................................................................................................................ 11
2.4
2.5
3.
Functional Description........................................................................................................................ 13
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
Operating Modes............................................................................................................................................ 13
Initialization .................................................................................................................................................... 15
Wake-Up........................................................................................................................................................ 15
VSUP under voltage reset.............................................................................................................................. 16
Overtemperature Shutdown ........................................................................................................................... 16
LIN BUS Transceiver ..................................................................................................................................... 17
Linear Regulator............................................................................................................................................. 20
RESET........................................................................................................................................................... 21
3.8.1.
Programmability of Power-ON-Reset Delay ......................................................................................... 21
3.9
Mode Input EN ............................................................................................................................................... 22
4.
5.
Application Hints ................................................................................................................................. 24
4.1
4.2
4.3
4.4
4.5
Safe Operating Area ...................................................................................................................................... 24
Low Dropout Regulator .................................................................................................................................. 25
Application Circuitry ....................................................................................................................................... 27
EMI Supressing.............................................................................................................................................. 27
Connection to Flash-MCU.............................................................................................................................. 28
Operating during Disturbance............................................................................................................ 29
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
Operating without VSUP or GND ................................................................................................................... 29
Short Circuit BUS against VBAT .................................................................................................................... 29
Short Circuit BUS against GND...................................................................................................................... 29
Short Circuit TxD against GND ...................................................................................................................... 29
TxD open ....................................................................................................................................................... 29
Short Circuit VCC against GND ..................................................................................................................... 29
Overload of VCC............................................................................................................................................ 29
Undervoltage VCC ......................................................................................................................................... 29
Undervoltage VSUP....................................................................................................................................... 30
5.10
Short circuit RxD, RESET against GND or VCC ............................................................................................ 30
6.
7.
8.
PIN Description .................................................................................................................................... 31
Mechanical Specification.................................................................................................................... 32
Tape and Reel Specification............................................................................................................... 33
8.1
8.2
Tape Specification.......................................................................................................................................... 33
Reel Specification .......................................................................................................................................... 34
9.
ESD/EMC Remarks .............................................................................................................................. 35
9.1
9.2
9.3
General Remarks........................................................................................................................................... 35
ESD-Test ....................................................................................................................................................... 35
EMC............................................................................................................................................................... 35
10. Revision History................................................................................................................................... 36
11. Assembly Information ......................................................................................................................... 37
12. Disclaimer............................................................................................................................................. 38
TH8062 – Datasheet
3901008062
Page 2 of 38
March 2006
Rev 002
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