NCP5500 查看數據表（PDF） - ON Semiconductor
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NCP5500 Datasheet PDF : 16 Pages
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NCP5500, NCV5500, NCP5501, NCV5501
TYPICAL CHARACTERISTICS
90
1 mA
80
70
60
500 mA
50
40
30 Vin = 6 V,
20 DVin = 0.5 Vpp
100 mA
10
0
0.01
0.1
Vout(nom) = 1.5 V
1
10
100
f, FREQUENCY (kHz)
Figure 15. Ripple Rejection vs. Frequency
10
9
8
7
6
Unstable Region
5
4
3
Stable Region
2
1
Cout = 1 mF to 10 mF
Vout(nom) = 5 V
0
0 50 100 150 200 250 300 350 400 450 500
Iout, OUTPUT CURRENT (mA)
Figure 17. Output Capacitor ESR Stability vs.
Output Current
10
9
8
7
Unstable Region
6
5
4
3
2
Stable Region
Cout = 1 mF to 10 mF
1
Vout(nom) = 1.5 V
0
0 50 100 150 200 250 300 350 400 450 500
Iout, OUTPUT CURRENT (mA)
Figure 19. Output Capacitor ESR Stability vs.
Output Current
90
80
1 mA
100 mA
70
60
500 mA
50
40
30 Vin = 6 V,
20 DVin = 0.5 Vpp
10
0
0.01
0.1
Vout(nom) = 1.25 V (ADJ)
1
10
100
f, FREQUENCY (kHz)
Figure 16. Ripple Rejection vs. Frequency
12
11
10
9
8
7
Unstable Region
6
5
4
3
Stable Region
2
1
Cout = 1 mF to 10 mF
Vout(nom) = 3.3 V
0
0 50 100 150 200 250 300 350 400 450 500
Iout, OUTPUT CURRENT (mA)
Figure 18. Output Capacitor ESR Stability vs.
Output Current
10
9
8
7
Unstable Region
6
5
4
3
2
Stable Region
Cout = 1 mF to 10 mF
1
Vout(nom) = 1.25 V (ADJ)
0
0 50 100 150 200 250 300 350 400 450 500
Iout, OUTPUT CURRENT (mA)
Figure 20. Output Capacitor ESR Stability vs.
Output Current
NOTE: Typical characteristics were measured with the same conditions as electrical characteristics, unless otherwise noted.
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