tda3681 NXP Semiconductors, tda3681 Datasheet - Page 10
tda3681
Manufacturer Part Number
tda3681
Description
Multiple Voltage Regulator With Switch And Ignition Buffer
Manufacturer
NXP Semiconductors
Datasheet
1.TDA3681.pdf
(29 pages)
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Philips Semiconductors
2004 Mar 31
Multiple voltage regulator with switch and
ignition buffer
regulator 1/3
temperature
regulator 2
regulator 4
regulator 1
regulator 4
V
V
protection
capacitor
150 C
P1
P1
enable
enable
ignition
ignition
HOLD
and 3
output
delay
reset
reset
input
V
V
P1
BU
= V
= V
P2
P2
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
mgl905
TDA3681