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TPS79901-EP View Datasheet(PDF) - Texas Instruments

Part NameTPS79901-EP TI
Texas Instruments TI
Description200-mA, Low-Quiescent Current, Ultra-Low-Noise, High-PSRR Low-Dropout Linear Regulator
TPS79901-EP Datasheet PDF : 27 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.ti.com
TPS79901-EP
SBVS330A – SEPTEMBER 2017 – REVISED OCTOBER 2017
Typical Characteristics (continued)
at TJ= –55°C to +125°C, VIN = VOUT(nom) + 0.3 V or 2.7 V, whichever is greater; IOUT = 1 mA, VEN = VIN, COUT = 2.2 μF, CNR =
0.01 μF, and VOUT = 3 V (unless otherwise noted). Typical values are at TJ = 25°C.
90
90
80
IOUT = 1mA
70
80
IOUT = 1mA
70
60
60
50
IOUT = 200mA
50
40
40
IOUT = 200mA
30
30
20
20
10
10
0
10
100
1k
10k
100k
1M
10M
VIN – VOUT = 1 V
CNR = 0.01 µF
Frequency (Hz)
VOUT = 2.85 V
COUT = 10 µF
0
10
100
1k
10k 100k
1M
10M
VIN – VOUT = 0.25 V
CNR = 0.01 µF
Frequency (Hz)
VOUT = 2.85 V
COUT = 10 µF
Figure 14. Power-Supply Ripple Rejection vs Frequency
90
80
70
IOUT = 1mA
60
50
40
30
20
IOUT = 200mA
10
0
10
100
1k
10k
100k
1M
10M
VIN – VOUT = 1 V
COUT = 10 µF
Frequency (Hz)
VOUT = 2.85 V
Figure 16. Power-Supply Ripple Rejection vs Frequency
90
0.1kHz
80
70
60
50
1kHz
10kHz
Figure 15. Power-Supply Ripple Rejection vs Frequency
90
1MHz
80
0.1kHz
1kHz
70
60
50
40
10kHz
30
100kHz
20
10
0
0.0
0.5 1.0
IOUT = 1 mA
COUT = 2.2 µF
1.5 2.0 2.5 3.0 3.5 4.0
VIN - VOUT (V)
CNR = 0.01 µF
Figure 17. Power-Supply Ripple Rejection vs VIN – VOUT
90
0.1kHz
80
70
1kHz
60
10kHz
50
40
30
20
10
0
0.0
100kHz
0.5 1.0
IOUT = 100 mA
COUT = 2.2 µF
1MHz
1.5 2.0 2.5 3.0 3.5 4.0
VIN - VOUT (V)
CNR = 0.01 µF
40
30
20
10
0
0.0
0.5 1.0
IOUT = 200 mA
COUT = 2.2 µF
1MHz
100kHz
1.5 2.0 2.5 3.0 3.5 4.0
VIN - VOUT (V)
CNR = 0.01 µF
Figure 18. Power-Supply Ripple Rejection vs VIN – VOUT
Figure 19. Power-Supply Ripple Rejection vs VIN – VOUT
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: TPS79901-EP
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