TDA3681 Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Fabricante

TDA3681

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

VP1

VBU

6.5 V

5.4 V

regulator 2

reset

delay

capacitor

reset

5.0 V

0V

5.0 V

3.0 V

0V

5.0 V

VP1 = VP2

ignition

input

50 V

0V

ignition

output

−100 V

5.0 V

0V

>22 V

VP1 = VP2

enable >1.8 V

regulator 1/3 <1.3 V

enable >1.8 V

regulator 4 <1.3 V

regulator 1

and 3

regulator 4

temperature

protection

active

150 °C passive

HOLD

HIGH

LOW

load dump

Back-up Schmitt trigger and reset behaviour

load dump

Enable Schmitt trigger ignition

Hold behaviour

mgl905

2004 Mar 31

Fig.6 Timing diagram of ignition Schmitt triggers and hold circuit.

10

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