Datasheet

TPS77001, TPS77012, TPS77015, TPS77018, TPS77025
TPS77027, TPS77028, TPS77030, TPS77033, TPS77050
ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
SLVS210D – JUNE 1999 – REVISED MAY 2001
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 5
T
A
– Free-Air Temperature – °C
TPS77025
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
2.476
2.492
2.486
2.496
– Output Voltage – V
V
O
2.478
2.490
2.480
2.494
2.482
–40 0–20 20 140–60 40 80 100 12060
I
O
= 1 mA
I
O
= 50 mA
V
I
= 3.5 V
C
O
= 4.7 µF
2.488
2.484
Figure 6
T
A
– Free-Air Temperature – °C
TPS77033
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
3.265
3.260
3.255
3.270
3.285
3.275
3.280
– Output Voltage – V
V
O
–40 0–20 20 140–60 40 80 100 12060
I
O
= 50 mA
V
I
= 4.3 V
C
O
= 4.7 µF
I
O
= 1 mA
Figure 7
T
A
– Free-Air Temperature – °C
15
22
TPS77033
GROUND CURRENT
vs
FREE-AIR TEMPERATURE
Ground Current – Aµ
V
I
= 4.3 V
C
O
= 4.7 µF
–40 0–20 20 140–60 40 80 100 12060
21
20
19
18
17
16
I
O
= 0 mA
I
O
= 50 mA
Figure 8
f – Frequency – Hz
1k 10k 100k
C
O
= 10 µF
I
O
= 1 mA
V
I
= 4.3 V
0
1.6
1
2
0.2
1.4
0.4
1.8
0.6
1.2
0.8
100
C
O
= 4.7 µF
I
O
= 1 mA
C
O
= 4.7 µF
I
O
= 50 mA
C
O
= 10 µF
I
O
= 50 mA
V HzOutput Spectral Noise Density – µ
TPS77033
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY