tda3681a NXP Semiconductors, tda3681a Datasheet - Page 8

• Manufacturer Part Number: tda3681a
• Description: Tda3681a Multiple Voltage Regulator With Switch And Ignition Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Aug 29
handbook, full pagewidth
Multiple voltage regulator with
switch and ignition buffer
regulator 2
V P1 = V P2
temperature
V P1 = V P2
protection
capacitor
V HOLD
ignition
ignition
150 C
output
V P1
V BU
delay
reset
reset
input
<10.3 V
passive
>9.0 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
0 V
Fig.5 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
8
load dump
Product specification
TDA3681A
MGU565