Datasheet

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100k10k
PSRR − Power Supply Ripple Rejection − dB
f − Frequency − Hz
70
60
50
40
30
20
10
0
−10
90
80
1k10010
1M
V
I
= 4.3 V
C
o
= 10 µF
I
O
= 1 A
T
A
= 25°C
f − Frequency − Hz
10
2
10
3
10
4
10
5
10
−5
10
−6
10
−8
10
−7
I
O
= 7 mA
I
O
= 1 A
V
I
= 4.3 V
C
o
= 10 µF
T
A
= 25°C
V HzOutput Spectral Noise Density − µ
3
2.7
2
1.5 1.75 2 2.25 2.5 2.75
− Input Voltage (Min) − V
4
3 3.25 3.5
T
A
= 25°C
V
I
V
O
− Output Voltage − V
I
O
= 1 A
T
A
= 125°C
T
A
= −40°C
f − Frequency − kHz
− Output Impedance −Z
o
Ω
10
1
10
2
10
5
10
6
0
10
−1
10
−2
10
4
10
3
I
O
= 1 mA
I
O
= 1 A
V
I
= 4.3 V
C
o
= 10 µF
T
A
= 25°C
TPS768xxQ
SLVS211L – JUNE 1999 – REVISED JANUARY 2006
TYPICAL CHARACTERISTICS (continued)
TPS76833 TPS76833
POWER-SUPPLY RIPPLE REJECTION OUTPUT SPECTRAL NOISE DENSITY
vs vs
FREQUENCY FREQUENCY
Figure 10. Figure 11.
TPS76833
INPUT VOLTAGE (MIN) OUTPUT IMPEDANCE
vs vs
OUTPUT VOLTAGE FREQUENCY
Figure 12. Figure 13.
7
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