MB3821 查看數據表（PDF） - Fujitsu

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MB3821

2-ch DC/DC Converter IC With Synchronous Rectifier

Fujitsu 

MB3821

s METHOD OF SETTING OSCILLATOR FREQUENCY

Oscillator Frequency can be set by timing capacitor (CT) connected to CT pin (pin 1) and timing resistor (RT)

connected to RT pin (pin 2).

Oscillator frequency

• Normal mode

1000000

fOSC (kHz) =: CT(pF) × RT(kΩ)

• Low power mode

100000

fOSC (kHz) =: CT(pF) × RT(kΩ)

18

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