NCV8570B Просмотр технического описания (PDF) - ON Semiconductor
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NCV8570B Datasheet PDF : 21 Pages
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NCV8570B
TYPICAL CHARACTERISTICS
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TA = 25°C,
COUT = 1 mF,
30
VOUT = 3.3 V,
IOUT = 200 mA
25
VIN = 3.8 V
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15
10
5
0 50 100 150 200 250 300 350 400 450 500
Cnoise, NOISE BYPASS CAPACITOR (nF)
Figure 22. Output Noise vs. Noise Bypass
Capacitance, COUT = 1 mF, VOUT = 3.3 V, IOUT =
200 mA
30
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VOUT = 3.3 V
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VOUT = 2.8 V
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VOUT = 1.8 V
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12
TA = 25°C, Cnoise = 10 nF, COUT = 1 mF,
VIN = VOUT + 0.5 V or 2.5 V, whichever is higher
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0 25 50 75 100 125 150 175 200
IOUT, OUTPUT CURRENT (mA)
Figure 24. Output Noise vs. Load Current,
Cnoise = 10 nF, COUT = 1 mF
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TA = 25°C,
Cnoise = 100 nF,
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VOUT = 3.3 V,
2
IOUT = 200 mA
VIN = 3.8 V
0
1 3 5 7 9 11 13 15 17 19 21
COUT, OUTPUT CAPACITOR (mF)
Figure 23. Output Noise vs. Output
Capacitance, Cnoise = 100 nF, VOUT = 3.3 V,
IOUT = 200 mA
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VOUT = 3.3 V
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VOUT = 2.8 V
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VOUT = 1.8 V
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TA = 25°C, Cnoise = 100 nF, COUT = 1 mF,
6 VIN = VOUT + 0.5 V or 2.5 V, whichever is higher
5
0 25 50 75 100 125 150 175 200
IOUT, OUTPUT CURRENT (mA)
Figure 25. Output Noise vs. Load Current,
Cnoise = 100 nF, COUT = 1 mF
300
200
200 mA
100
1 mA
0
1.85
1.80
1.75
1.70
1.65
1.60
0
COUT = 4.7 mF, VIN = 2.5 V, Cnoise = 100 nF,
dIOUT/dt = 200 mA / 1 ms
40 80 120 160 200 240 280 320 360 400
t, TIME (ms)
Figure 26. Load Transient Response, VOUT =
1.8 V, COUT = 4.7 mF, Cnoise = 100 nF
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