TDA3681 데이터 시트보기 (PDF) - NXP Semiconductors.

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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.

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