Datasheet

TPS76030, TPS76032, TPS76033, TPS76038, TPS76050
LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
SLVS144D – JULY 1998 – REVISED MAY 2001
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
T
A
– Free-Air Temperature – °C
–35 5–15 25 125–55
45 65
V
I
= 6 V
85 105
I
O
= 50 mA
I
O
= 1 mA
TPS76050
GROUND CURRENT
vs
FREE-AIR TEMPERATURE
I
O
= 0 mA
I
O
= 10 mA
Ground Current – Aµ
100
10
10000
1000
Figure 10
f – Frequency – Hz
1k 10k 100k
250
C
L
= 10 µF
I
O
= 1 mA
Output Noise
C
L
= 10 µF
I
O
= 50 mA
C
L
= 2.2 µF
I
O
= 1 mA
C
L
= 2.2 µF
I
O
= 50 mA
OUTPUT NOISE
vs
FREQUENCY
10nV Hz
100nV Hz
1µVHz
10µVHz
10µVHz
Figure 11
0.1
0.1 1 1000
10
0.01 10
1
f – Frequency – kHz
100
– Output Impedance –Z
o
Ω
OUTPUT IMPEDANCE
vs
FREQUENCY
C
L
= 2.2 µF:
I
O
= 1 mA
I
O
= 10 mA
I
O
= 50 mA
C
L
= 10 µF
I
O
= 50 mA
C
L
= 10 µF:
I
O
= 1 mA
I
O
= 10 mA
Figure 12
T
A
– Free-Air Temperature – °C
50
0
–35 5
75
25
–15 25 125
150
–55
45 65
100
125
V
I
= EN = 2.9 V
85 105
1 mA
– Dropout Voltage – mV
V
DO
10 mA
0 mA
50 mA
TPS76030
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE