NCP623 查看數據表（PDF） - ON Semiconductor
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NCP623 Datasheet PDF : 16 Pages
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NCP623
TYPICAL PERFORMANCE CHARACTERISTICS
350
300
250
200
Cbyp = 10 nF
150
0 nF
3.3 nF
Vin = 3.8 V
Vout = 2.8 V
CO = 1.0 mF
Iout = 60 mA
Tamb = 23°C
100 Vn = 65 mVrms @ Cbypass = 0
50 Vn = 30 mVrms @ Cbypass = 3.3 nF
Vn = 25 mVrms @ Cbypass = 10 nF
0 over 100 Hz to 100 kHz
100
1000
10,000
100,000
FREQUENCY (Hz)
1,000,000
Figure 8. Noise Density versus Bypass
Capacitor
70
60
50
40
30
Vin = 3.8 V
20 Vout = 2.8 V
CO = 1.0 mF
10 Iout = 60 mA
0 Tamb = 25°C
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10
BYPASS CAPACITOR (nF)
Figure 9. RMS Noise versus Bypass Capacitor
(100 Hz − 100 kHz)
2.805
2.860
2.800
1 mA
2.840
2.795
2.790
2.785
2.780
2.775
60 mA
100 mA
150 mA
2.820
2.800
2.780
2.760
25°C −40°C
85°C
2.770
−40 −20
0
20 40 60
TEMPERATURE (°C)
2.740
80 100
0 20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
Figure 10. Output Voltage (2.8 V) versus
Temperature
Figure 11. Output Voltage (2.8 V) versus Iout
3.015
3.010
3.005
1 mA
3.000
2.995
60 mA
2.990
2.985
100 mA
2.980
2.975
150 mA
2.970
2.965
−40 −20 0
20
40
60
80
100
TEMPERATURE (°C)
Figure 12. Output Voltage (3.0 V) versus
Temperature
3.06
3.04
3.02
3.00
25°C
−40°C
2.98
2.96
85°C
2.94
0
20 40 60 80 100 120 140 160
TEMPERATURE (°C)
Figure 13. Output Voltage (3.0 V) versus Iout
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