Philips Semiconductors
Multiple voltage regulators with switch
Product specification
TDA3608Q; TDA3608TH
handbook, full pagewidth
18.0 V
VP
4.5 V
4.0 V
enable
power
switch
power
switch
output
≥2.2 V
≤2.0 V
16.2 V
0V
load dump
Fig.6 Timing diagram of power switch output.
MGT569
handbook, full pagewidth 5 V
regulator 2
6.4 V
reset
4V
delay
3V
voltage
0V
reset
output
enable
power
switch
5V
0V
>2.2 V
<2.0 V
14 V
power
switch
voltage
4V
0V
2A
power
switch
current
0.5 A
0A
current limit mode
t d(sw)
foldback mode
t d(res)
foldback mode
MGT570
2003 Nov 28
Fig.7 Timing diagram of current protection of power switch.
8