TDA3673 Datasheet, PDF (8/16 Pages) NXP Semiconductors – Very low dropout voltage/quiescent current 3.3 V voltage regulator with enable

Philips Semiconductors
Very low dropout voltage/quiescent current
3.3 V voltage regulator with enable
Preliminary specification
TDA3673
Additional application information
This section gives typical curves for various parameters measured on the TDA3673AT. Standard test conditions are:
V_P = 14.4 V; T_amb = 25 °C.
25
handbook, halfpage
Iq
(µA)
20
MDA947
15
10
5
0
0
10
I_REG = 0 mA.
20
30
VP (V)
Fig.7 Quiescent current as a function of the
supply voltage.
handbook, h⁴alfpage
Iq
(mA)
3
MDA949
2
1
0
0
10
20
30
40
50
VP (V)
Fig.8 Quiescent current as a function of high
supply voltage.
handbook, h²alfpage
Iq
(1)
(mA)
1.5
MDA951
1
0.5
(2)
0
−40
0
40
80
120
160
Tj (°C)
(1) I_q at 50 mA load.
(2) I_q at 10 mA load.
Fig.9 Quiescent current as a function of the
junction temperature.
2000 Feb 01
0.48
handbook, halfpage
Iq
(mA)
0.44
MDA948
0.40
0.36
5
10
15
20
25
VP (V)
I_REG = 10 mA.
Fig.10 Quiescent current as a function of the
supply voltage.
8