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LP3878-ADJ_15 Datasheet, PDF (7/25 Pages) Texas Instruments – Micropower 800-mA Low-Noise
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LP3878-ADJ
SNVS311D – MAY 2005 – REVISED FEBRUARY 2015
Typical Characteristics (continued)
Unless otherwise specified: VIN = 3.3 V, VOUT = 1 V, IOUT = 1 mA, CIN = 4.7 µF, COUT = 10 µF, VSD = 2 V, CBYP = 10 nF, TJ =
25°C.
4.0
100
TJ = -40°C
3.5
IL = 400 mA
90
IL = 800 mA
80
3.0
70
60
2.5
50
40
2.0
IL = 100 mA
30
1.5
1.0
1.0
1.5
2.0 2.5
3.0
3.5
VOUT (V)
Figure 7. Minimum VIN vs VOUT
20
10
0
10
100
1k
10k 100k 1M
FREQUENCY (Hz)
Figure 8. Ripple Rejection
100
90
IL= 800 mA
80
70
60
50
40
30
20
10
0
10
100
1k
10k 100k 1M
FREQUENCY (Hz)
Figure 9. Ripple Rejection
Figure 10. Output Noise Spectral Density
Figure 11. Output Noise Spectral Density
Figure 12. Line Transient Response
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