TDA3681 查看數據表（PDF） - Philips Electronics

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TDA3681

Multiple voltage regulator with switch and ignition buffer

Philips Electronics 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

handbook, full pagewidth

VP1

load dump

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 4 <1.3 V

enable >1.8 V

regulator 1/3 <1.3 V

regulator 1

and 3

regulator 4

temperature

protection

active

150 °C passive

HOLD

HIGH

LOW

Back-up Schmitt trigger and reset behaviour

load dump

Enable Schmitt trigger ignition

Hold behaviour

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

2002 Apr 10

10

MGL905

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