Datasheet


 
     
SLVS289A − MARCH 2000 − REVISED OCTOBER 2000
28
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 25
0
−1
V
IN
− Input Voltage − V
RIPPLE REGULATOR
LINE REGULATION (3.3 V)
1
−2
35
2
46
Line Regulation − %
3.5 4.5 5.5
I
O
= 2 A
I
O
− Output Current − A
Figure 26
LDO LOAD REGULATION (1.8 V)
−2
−1
0
0
1
2
0.2 0.80.4 0.6 1.21
Line Regulation − %
V
IN
= 5 V
Figure 27
DROOP COMPENSATION EFFECT
280 mV
220 mV
With Droop
No Droop
Output Voltage
t − Time − ms
0 1.510.5 2 2.5 3.53 4 4.5 5
I − Load Current − A
L
200
100
0
0
5
10
−5
− Output Voltage − mVV
O
−100
t − Time − ms
0128416202824 32 36 40
3.3 V
1.8 V
1
0
4
−1
5
6
3
2
− Output Voltage − VV
O
−2
SLOW-START
Figure 28