MC34063A 查看數據表（PDF） - Tiger Electronic

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MC34063A

DC-to-DC Converter Control Circuits

Tiger Electronic 

APPLICATION CIRCUITS

1.Step-Up Converter

MC34063A

test

Line Regulation

Load Regulation

Output Ripple

Efficiency

Output Ripple With Optional Filter

conditions

Vin=8.0~16V, Io=175mA

Vin=12V,Io=75~175 mA

Vin=12V, Io=175 mA

Vin=12V, Io=175mA

Vin=12V, Io=175mA

Results

30mV=±0.05%

10mV=±0.017%

400mVpp

87.7%

40mVpp

2.External Current Boost Connections for Ic Peak Greater than 1.5A

(1).External NPN Switch

(2) External NPN Saturated Switch (Note 4)

4/9

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