LP2950 Datasheet, PDF (10/32 Pages) National Semiconductor (TI) – Series of Adjustable Micropower Voltage Regulators

LP2950, LP2951
SLVS582I – APRIL 2006 – REVISED NOVEMBER 2014
Typical Characteristics (continued)
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Output Voltage
100 mV/div
Output Load
100 mA/div
Figure 19. Load Transient Response vs
Time (V_OUT = 5 V, C_L = 10 µF)
Figure 20. Enable Transient Response vs
Time (I_L = 1 mA, C_L = 1 µF)
100
I_L = 100 µA
10
Figure 21. Enable Transient Response vs
Time (I_L = 1 mA, C_L = 10 µF)
90
80
70
I_L = 0
60
50
I_L = 100 µA
40
30
V_IN = 6 V
C_L = 1 µF
20
1.E1+001 11.E0+002
1.E1+k03 1.1E0+k04
f – Frequency – Hz
11.E0+00k5
1.E1M+06
Figure 23. Ripple Rejection vs Frequency
1
I_L = 1 m A
0.1
I_L = 100 m A
0.01
1.E1+001
1.1E0+002 1.E1k+03 1.E10+k04 1.1E0+00k5
f – Frequency – Hz
1.E1M+06
Figure 22. Output Impedance vs Frequency
100
VIN = 6 V
90
CL = 1 µF
80
70
60
50
IL = 1 mA
40
30
20
10
1.E10+01
IL = 10 mA
1.1E0+002
1.E1+k03 1.1E0+k04
f – Frequency – Hz
11.E0+00k5
1.E1+M06
Figure 24. Output Impedance vs Frequency
10
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