TDA3681TH PHILIPS [NXP Semiconductors], TDA3681TH Datasheet - Page 10

• Manufacturer Part Number: TDA3681TH
• Description: Multiple voltage regulator with switch and ignition buffer
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2002 Apr 10
handbook, full pagewidth
Multiple voltage regulator with switch and
ignition buffer
regulator 1/3
temperature
regulator 2
V P1 = V P2
V P1 = V P2
regulator 4
regulator 1
regulator 4
protection
capacitor
enable
enable
150 C
ignition
ignition
HOLD
and 3
output
V P1
V BU
delay
reset
reset
input
passive
>1.8 V
<1.3 V
>1.8 V
<1.3 V
100 V
>22 V
active
HIGH
6.5 V
5.4 V
5.0 V
5.0 V
3.0 V
5.0 V
50 V
5.0 V
LOW
0 V
0 V
0 V
0 V
Fig.6 Timing diagram of ignition Schmitt triggers and hold circuit.
Back-up Schmitt trigger and reset behaviour
Enable Schmitt trigger ignition
load dump
load dump
Hold behaviour
10
Product specification
TDA3681
MGL905