Datasheet

  
   
SLVS167C − SEPTEMBER 1998 − REVISED − MAY 1999
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 3
QUEISCENT CURRENT
vs
LOAD CURRENT
400
350
250
200
150
100
300
Q
0 200 400 600 800
450
500
50
0
V
I
= 4.3 V
I − Queiscent Current − uA
I
O
− Load Current − mA
3.3-V Regulator
Adjustable With V
O
Programmed to 2.5 V
Figure 4
QUIESCENT CURRENT
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
− Quiescent Current −
Aµ
I
Q
200
150
50
0
0123456
250
350
500
78910
100
300
3.3-V Regulator
T
A
= 25°C
I
O
= 500 mA
Adjustable With V
O
Programmed to 2.5 V
400
450
Figure 5
ADJUSTABLE REGULATOR DROPOUT VOLTAGE
vs
LOAD CURRENT
0.4
0.3
0.1
0.2
0 100 200 300 400
0.5
0.6
0
Load Current − mA
Dropout Voltage − V
500 600 700
T
A
= 125°C
T
A
= 25°C
T
A
= −40°C
Figure 6
3.3−V REGULATOR DROPOUT VOLTAGE
vs
LOAD CURRENT
0 100 200 300 400
Load Current − mA
500 600 700
T
A
= 125°C
T
A
= 25°C
T
A
= −40°C
0.4
0.3
0.1
0.2
0.5
0.6
0
Dropout Voltage − V