NCP500 Datasheet, PDF (10/20 Pages) ON Semiconductor – 150 mA CMOS Low Noise Low-Dropout Voltage Regulator

NCP500
225
200
175
150
125
100
75
50
V_out(nom.) = 1.8 V
25
I_out = 50 mA
T_A = 25°C
0
0
1.0
2.0
3.0
4.0
5.0
6.0
Input Voltage (V)
Figure 14. Ground Pin Current vs. Input Voltage
225
200
175
150
125
100
75
50
V_out(nom.) = 3.3 V
25
I_out = 50 mA
T_A = 25°C
0
0
1.0
2.0
3.0
4.0
5.0
6.0
Input Voltage (V)
Figure 15. Ground Pin Current vs. Input Voltage
600
500
400
300
200
100
V_out(nom.) = 3.3 V
0
0
1.0
2.0
3.0
4.0
5.0
6.0
Input Voltage (V)
Figure 16. Current Limit vs. Input Voltage
100
80
60 mA
60
10 mA
40
10 mA
20 ^{Vout = 1.8 V}
V_in = 2.8 V_DC + 0.5 V_p−p
C_out = 1 mF
0
0.1
1.0
10
100
f, Frequency (kHz)
Figure 17. Ripple Rejection vs. Frequency
1000
800
600
400
200
0
0.01
V_out = 1.8 V
V_in = 2.8 V
I_out = 1 mA
C_out = 1 mF
0.1
1.0
10
100
f, Frequency (kHz)
Figure 18. Output Noise Density
1000
5.0
4.0
3.0
200
150
100
50
0
−50
0
V_in = 3.8 V to 4.8 V
V_out = 3.3 V
C_out = 1.0 mF
I_out = 1.0 mA
20 40 60 80 100 120 140 160
Time (ms)
Figure 19. Line Transient Response
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