TPS7A8001_15 Datasheet, PDF (9/28 Pages) Texas Instruments – TPS7A8001 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1A Linear Regulator

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TPS7A8001
SBVS135I – JUNE 2010 – REVISED AUGUST 2015
Typical Characteristics (continued)
At V_OUT(TYP) = 3.3 V, V_IN = V_OUT(TYP) + 0.5 V or 2.2 V (whichever is greater), I_OUT = 100 mA, V_EN = V_IN, C_IN = 1 μF, C_OUT = 4.7
μF, and C_NR = 0.01 μF, all temperature values refer to T_J, unless otherwise noted.
1800
1600
1400
90
V_DO = 1.0V
80
V_DO = 0.5V
70
V_DO = 0.3V
1200
60
1000
50
800
600
400
200
V_OUT = V_IN - 0.5V
0
V_IN = 2.2V
V_IN = 3.8V
V_IN = 5.5V
V_IN = 6.5V
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
40
30
20 ^IOUT ^{= 100mA}
No C_IN
10
10
100
1k
10k 100k 1M
Frequency (Hz)
10M
Figure 13. Current Limit vs Temperature
90
80
70
60
50
40
30
20
10
10
I_OUT = 10mA
I_OUT = 100mA
I_OUT = 750mA
I_OUT = 1A
100
1k
10k 100k
Frequency (Hz)
V_DO = 1.0V
No C_IN
1M
10M
Figure 14. Power-Supply Ripple Rejection vs Frequency
90
V_DO = 0.5V
80
No C_IN
70
60
50
40
30
I_OUT = 10mA
I_OUT = 100mA
20
I_OUT = 750mA
I_OUT = 1A
10
10
100
1k
10k 100k 1M
Frequency (Hz)
10M
Figure 15. Power-Supply Ripple Rejection vs Frequency
90
80
70
60
50
40
30
20
10
10
I_OUT = 10mA
I_OUT = 100mA
I_OUT = 750mA
I_OUT = 1A
V_DO = 1.0V
C_OUT = 100mF
No C_IN
100
1k
10k 100k 1M
10M
Frequency (Hz)
Figure 16. Power-Supply Ripple Rejection vs Frequency
90
80
70
60
50
40
30
20
10
10
I_OUT = 10mA
I_OUT = 100mA
I_OUT = 750mA
I_OUT = 1A
V_DO = 0.5V
C_OUT = 100mF
No C_IN
100
1k
10k 100k 1M
10M
Frequency (Hz)
Figure 17. Power-Supply Ripple Rejection vs Frequency
Figure 18. Power-Supply Ripple Rejection vs Frequency
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