ATA6626(2008) Ver la hoja de datos (PDF) - Atmel Corporation

Número de pieza

componentes Descripción

Fabricante

ATA6626
(Rev.:2008)

LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog

Atmel Corporation 

Figure 5-1. VCC Voltage Regulator: Ramp-up and Undervoltage Detection

VS

12V

5.5V/3.8V

5V/3.3V

Vthun

NRES

5V/3.3V

TVCC

TReset

t

Tres_f t

t

Figure 5-2.

Power Dissipation: Safe Operating Area versus VCC Output Current and Supply

Voltage VS at Different Ambient Temperatures Due to Rthja = 35 K/W

60

Tamb = 105˚C

50

Tamb = 125˚C

40

30

20

10

0

3

5

7

9

11

13

15

17

19

VS/V

For programming purposes of the microcontroller it is potentially necessary to supply the VCC

output via an external power supply while the VS Pin of the system basis chip is disconnected.

This behavior is no problem for the system basis chip.

14 ATA6622/ATA6624/ATA6626

4986F–AUTO–07/08

Share Link: