NCV8570B(2011) データシートの表示（PDF） - ON Semiconductor
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NCV8570B
(Rev.:2011)
(Rev.:2011)
ON Semiconductor
NCV8570B Datasheet PDF : 21 Pages
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NCV8570B
TYPICAL CHARACTERISTICS
110
100
90
IOUT = 10 mA
80
70
IOUT = 150 mA
60
50
IOUT = 200 mA
40
30
TA = 25°C,
Cnoise = 10 nF,
20 COUT = 4.7 mF,
10 VOUT = 2.8 V,
0 VIN = 3.3 VDC ± 50 mVAC
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 16. PSRR vs. Frequency, 2.8 V Output
Voltage Option, COUT = 4.7 mF, Cnoise = 10 nF
10
VOUT = 3.3 V
10 Hz − 100 kHz Integral
Noise: Vn = 25.3 mVrms
VOUT = 2.8 V
1.0
10 Hz − 100 kHz Integral
Noise: Vn = 22.6 mVrms
0.10 IOUT = 50 mA,
COUT = 1 mF,
Cnoise = 10 nF
VIN = VOUT = +0.5 V or
2.5 V, whichever is higher
0.01
10
100
1k
VOUT = 1.8 V
10 Hz − 100 kHz Integral
Noise: Vn = 14.9 mVrms
10k
100k
1M
FREQUENCY (Hz)
Figure 18. Output Noise vs. Frequency, COUT =
1 mF, Cnoise = 10 nF, IOUT = 50 mA
10
VOUT = 3.3 V
10 Hz − 100 kHz Integral
Noise: Vn = 22.85 mVrms
VOUT = 2.8 V
1.0
10 Hz − 100 kHz Integral
Noise: Vn = 22.7 mVrms
0.10 IOUT = 200 mA,
COUT = 1 mF,
Cnoise = 10 nF
VIN = VOUT = +0.5 V or
0.01 2.5 V, whichever is higher
10
100
1k
VOUT = 1.8 V
10 Hz − 100 kHz Integral
Noise: Vn = 15 mVrms
10k
100k
1M
FREQUENCY (Hz)
Figure 20. Output Noise vs. Frequency, COUT =
1 mF, Cnoise = 10 nF, IOUT = 200 mA
110
100
IOUT = 10 mA
90
80
70
IOUT = 150 mA
60
IOUT = 200 mA
50
40 TA = 25°C,
30 Cnoise = 100 nF,
20 COUT = 4.7 mF,
10
VOUT = 2.8 V,
VIN = 3.3 VDC ± 50 mVAC
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 17. PSRR vs. Frequency, 2.8 V Output
Voltage Option, COUT = 4.7 mF, Cnoise = 100 nF
10
1.0
0.10
VOUT = 3.3 V
10 Hz − 100 kHz Integral
Noise: Vn = 11.9 mVrms
IOUT = 50 mA,
COUT = 1 mF,
Cnoise = 100 nF
VIN = VOUT = +0.5 V or
2.5 V, whichever is higher
VOUT = 2.8 V
10 Hz − 100 kHz Integral
Noise: Vn = 11.7 mVrms
VOUT = 1.8 V
10 Hz − 100 kHz Integral
0.01 Noise: Vn = 9.4 mVrms
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 19. Output Noise vs. Frequency, COUT =
1 mF, Cnoise = 100 nF, IOUT = 50 mA
10
VOUT = 3.3 V
IOUT = 200 mA,
10 Hz − 100 kHz Integral COUT = 1 mF,
Noise: Vn = 12 mVrms
Cnoise = 100 nF
VIN = VOUT = +0.5 V or
1.0
2.5 V, whichever is higher
0.10
VOUT = 2.8 V
10 Hz − 100 kHz Integral
Noise: Vn = 11.7 mVrms
VOUT = 1.8 V
10 Hz − 100 kHz Integral
0.01 Noise: Vn = 9.5 mVrms
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 21. Output Noise vs. Frequency, COUT =
1 mF, Cnoise = 100 nF, IOUT = 200 mA
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