Datasheet

9397 750 15049 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 05 — 28 June 2005 7 of 16
Philips Semiconductors
TDA3661
Very low dropout voltage/quiescent current voltage regulator
I
REG
= 0 mA.
Fig 5. Quiescent current as a function of the supply
voltage
Fig 6. Quiescent current increase as a function of
high supply voltage
010
V
P
(V)
I
q
(µA)
20 30
25
0
20
15
10
5
mda947
010 50
4
3
1
0
2
20 30
V
P
(V)
I
q
(mA)
40
mda949
(1) I
q
at 50 mA load.
(2) I
q
at 10 mA load.
I
REG
= 10 mA.
Fig 7. Quiescent current as a function of the
junction temperature
Fig 8. Quiescent current as a function of the supply
voltage
−40 0
(1)
(2)
160
2
1.5
0.5
0
1
40 80
T
j
(°C)
I
q
(mA)
120
mda951
5
0.36
0.40
0.44
0.48
10 15
V
P
(V)
I
q
(mA)
25
20
mda948