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TH8065KDCAA Datasheet(PDF) 2 Page - Melexis Microelectronic Systems |
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TH8065KDCAA Datasheet(HTML) 2 Page - Melexis Microelectronic Systems |
2 / 40 page TH8065 Voltage Regulator with LIN Transceiver and Watchdog TH8065 – Datasheet Page 2 of 40 3901008065 May 2006 Rev 003 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 2.3.1. Voltage Regulator and Reset Unit .......................................................................................................... 6 2.3.2. LIN Bus Interface.................................................................................................................................... 8 2.4 Dynamic Characteristics .................................................................................................................................. 9 2.5 Timing Diagrams ............................................................................................................................................ 11 3. Functional Description ........................................................................................................................ 13 3.1 Operating Modes............................................................................................................................................ 13 3.2 Initialization .................................................................................................................................................... 15 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............................................................................................................................................. 20 3.8 RESET and Watchdog ................................................................................................................................... 21 3.8.1. RESET.................................................................................................................................................. 21 3.8.2. Watchdog ............................................................................................................................................. 22 3.9 Mode Input EN ............................................................................................................................................... 24 4. Application Hints ................................................................................................................................. 26 4.1 Safe Operating Area ...................................................................................................................................... 26 4.2 Low Dropout Regulator .................................................................................................................................. 27 4.3 Application Circuitry ....................................................................................................................................... 29 4.4 EMI Supressing.............................................................................................................................................. 29 4.5 Connection to Flash-MCU.............................................................................................................................. 30 5. Operating during Disturbance............................................................................................................ 31 5.1 Operating without VSUP or GND ................................................................................................................... 31 5.2 Short Circuit BUS against VBAT .................................................................................................................... 31 5.3 Short Circuit BUS against GND...................................................................................................................... 31 5.4 Short Circuit TxD against GND ...................................................................................................................... 31 5.5 TxD open ....................................................................................................................................................... 31 5.6 Short Circuit VCC against GND ..................................................................................................................... 31 5.7 Overload of VCC ............................................................................................................................................ 31 5.8 Undervoltage VCC ......................................................................................................................................... 31 5.9 Undervoltage VSUP ....................................................................................................................................... 32 5.10 Short circuit RxD, RESET against GND or VCC ............................................................................................ 32 5.11 Short circuit CWD against GND or VCC ........................................................................................................ 32 6. PIN Description .................................................................................................................................... 33 7. Mechanical Specification .................................................................................................................... 34 8. Tape and Reel Specification ............................................................................................................... 35 8.1 Tape Specification.......................................................................................................................................... 35 8.2 Reel Specification .......................................................................................................................................... 36 9. ESD/EMC Remarks .............................................................................................................................. 37 9.1 General Remarks ........................................................................................................................................... 37 9.2 ESD-Test ....................................................................................................................................................... 37 9.3 EMC ............................................................................................................................................................... 37 10. Revision History................................................................................................................................... 38 11. Assembly Information ......................................................................................................................... 39 12. Disclaimer............................................................................................................................................. 40 |
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