Philips Semiconductors
Very low dropout voltage/quiescent current
3.3 V voltage regulator
Preliminary specification
TDA3663
2
handbook, halfpage
Iq
(mA)
1.8
MDA950
1.6
1.4
5
10
15
20
25
VP (V)
IREG = 50 mA.
Fig.12 Quiescent current as a function of the
supply voltage.
handbook, h4alfpage
Iq
(mA)
3
MDA952
2
1
0
0
20
40
60
80
100
IREG (mA)
Fig.13 Quiescent current as a function of the
output current.
3.40
handbook, halfpage
VREG
(V)
3.35
3.30
MGS694
handbook, h4alfpage
VREG
(V)
3
2
1
MGS695
3.25
−50
0
50
100
150
200
Tj (°C)
IREG = 0 mA.
Fig.14 Output voltage as a function of the junction
temperature.
0
−50
0
50
100
150
200
Tj (°C)
IREG = 0 mA.
Fig.15 Output voltage thermal protection as a
function of the junction temperature.
2000 Feb 01
10