TPS77001, TPS77012, TPS77015, TPS77018, TPS77025
TPS77027, TPS77028, TPS77030, TPS77033, TPS77050
ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
SLVS210C – JUNE 1999 – REVISED SEPTEMBER 1999
TYPICAL CHARACTERISTICS
TPS77025
TPS77033
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
2.496
2.494
IO = 1 mA
2.492
VO – Output Voltage – V
2.490
2.488
2.486
2.484
2.482
2.480
2.478
VI = 3.5 V
CO = 4.7
µF
0
20
40
60
80 100 120 140
IO = 50 mA
VO – Output Voltage – V
3.280
3.285
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
VI = 4.3 V
CO = 4.7
µF
IO = 1 mA
3.275
3.270
IO = 50 mA
3.265
3.260
2.476
–60 –40 –20
3.255
–60 –40 –20
0
20
40
60
80 100 120 140
TA – Free-Air Temperature –
°C
TA – Free-Air Temperature –
°C
Figure 5
TPS77033
Figure 6
TPS77033
GROUND CURRENT
vs
FREE-AIR TEMPERATURE
22
21
20
19
IO = 50 mA
18
17
16
15
–60 –40 –20
IO = 0 mA
Output Spectral Noise Density –
µ
V Hz
VI = 4.3 V
CO = 4.7
µF
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
Ground Current –
µ
A
CO = 4.7
µF
IO = 50 mA
CO = 10
µF
IO = 1 mA
CO = 4.7
µF
IO = 1 mA
VI = 4.3 V
0
20
40
60
80 100 120 140
0
100
1k
CO = 10
µF
IO = 50 mA
10k
100k
TA – Free-Air Temperature –
°C
f – Frequency – Hz
Figure 7
Figure 8
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
7
TI [ TEXAS INSTRUMENTS ]
