MC33263 查看數據表（PDF） - ON Semiconductor

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MC33263

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

ON Semiconductor 

MC33263

The PNP being wired upon the bypass pin, it shall not

degrade the noise response of the MC33263. Figure 6

confirms the good behavior of the integrated circuit in this

area which reaches a typical noise level of 26 mVRMS

(100 Hz to 100 kHz) at Iout = 60 mA.

350

300

250

200

Cbyp = 10 nF

150

Vin = 3.8 V

Vout = 2.8 V

Co = 1.0 mF

Iout = 60 mA

Tamb = 25°C

100

50

Vin = 26 mVrms C = 10 nF

@ 100 Hz – 100 kHz

0

100

1,000

10,000

100,000

1,000,000

Frequency (Hz)

Figure 6. Noise Density of the MC33263 with a

10 nF Bypass Capacitor and a Wake–up

Improvement Network

http://onsemi.com

7

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