NCP623 查看數據表（PDF） - ON Semiconductor

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NCP623

Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control

ON Semiconductor 

NCP623

1200

1000

800

600

Vin = 3.8 V

Vout = 2.8 V

CO = 1.0 mF

Iout = 60 mA

Tamb = 25°C

400

200

TYPICAL PERFORMANCE CHARACTERISTICS

200 ms/div

500 mV/div

Cbyp = 10 nF

0

0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10

BYPASS CAPACITOR (nF)

Vin = 3.8 V

Vout = 2.8 V

Cout = 1.0 mF

Iout = 50 mA

Tamb = 25°C

Figure 19. Output Voltage Settling Time versus

Bypass Capacitor

Figure 20. Output Voltage Settling Shape

Cbypass = 10 nF

100 ms/div

500 mV/div

Cbyp = 3.3 nF

Vin = 3.8 V

Vout = 2.8 V

Cout = 1.0 mF

Iout = 50 mA

Tamb = 25°C

Figure 21. Output Voltage Settling Shape

Cbypass = 3.3 nF

10 ms/div

500 mV/div

Cbyp = 0 nF

Vin = 3.8 V

Vout = 2.8 V

Cout = 1.0 mF

Iout = 50 mA

Tamb = 25°C

Figure 22. Output Voltage Settling Shape without

Bypass Capacitor

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