Philips Semiconductors
Very low dropout voltage/quiescent
current 5 V voltage regulator
Preliminary specification
TDA3664
2
handbook, halfpage
Iq
(mA)
1.8
MDA950
1.6
1.4
5
10
15
20
25
VP (V)
handbook, h4alfpage
Iq
(mA)
3
MDA952
2
1
0
0
20
40
60
80
100
IREG (mA)
Fig.12 Quiescent current as a function of supply
voltage (IO = 50 mA).
Fig.13 Quiescent current as a function of load
current.
5.10
handbook, halfpage
VREG
(V)
5.05
MDA953
6
handbook, halfpage
VREG
(V)
4
MDA955
5.00
2
4.95
−50
0
50
100
150
200
Tj (°C)
0
−50
0
50
100
150
200
Tj (°C)
Fig.14 Output voltage as a function of temperature
(no load).
Fig.15 Output voltage thermal protection
behaviour (no load).
1999 Sep 01
9