Datasheet

TPS76515, TPS76518, TPS76525, TPS76527
TPS76528, TPS76530, TPS76533, TPS76550, TPS76501
ULTRA-LOW QUIESCIENT CURRENT 150-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS236 – AUGUST 1999
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 10
f – Frequency – Hz
TPS76533
POWER SUPPLY RIPPLE REJECTION
vs
FREQUENCY
10
20
30
40
50
60
70
10.00 100.00 1000.0010000.00100000.001000000.0010000000.
0
PSRR – Power Supply Ripple Rejection – dB
V
I
= 4.3 V
C
O
= 10 µF
I
O
= 150 mA
T
A
= 25°C
10 100 1k 10k 100k 1M 10M
Figure 11
f – Frequency – Hz
TPS76533
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
V
I
= 4.3 V
C
O
= 10 µF
T
A
= 25°C
1k 10k 100k
I
O
= 150 mA
I
O
= 1 mA
V HzOutput Spectral Noise Density – µ
10
1
10
0
10
–1
10
–2
100
10
1
10
0
10
–1
10
–2
f – Frequency – Hz
TPS76533
OUTPUT IMPEDANCE
vs
FREQUENCY
V
I
= 4.3 V
C
O
= 10 µF
T
A
= 25°C
10 1k 10k 1M
I
O
= 150 mA
I
O
= 1 mA
100 100k
– Output Impedance –Z
o
Ω
Figure 12