Rainbow-electronics ATA6624 Manual de usuario descargar pdf (Pagina 14)

4986F–AUTO–07/08

ATA6622/ATA6624/ATA6626

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

Figure 5-2. Power Dissipation: Safe Operating Area versus VCC Output Current and Supply

Voltage V

at Different Ambient Temperatures Due to R

thja

= 35 K/W

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

output via an external power supply while the V

Pin of the system basis chip is disconnected.

This behavior is no problem for the system basis chip.

NRES

5V/3.3V

thun

res_f

Reset

VCC

5.5V/3.8V

12V

35791113151719

VCC

/mA

amb

= 125˚C

amb

= 105˚C

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Rainbow-electronics ATA6624 Manual de usuario Pagina 14