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AN1894 Datasheet(PDF) 6 Page - STMicroelectronics

Part # AN1894
Description  BUCK-BOOST CONVERTER REFERENCE BOARD
PDF  14 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN1894 Datasheet(HTML) 6 Page - STMicroelectronics

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AN1894 - APPLICATION NOTE
Figure 7: Output Regulation Characteristics (Parameter is Iout)
One of the most important and observed characteristics is the converter’s efficiency. Figure 8 depicts the
dependency of the efficiency on the input voltage (parameter is output current) while Figure 9 shows the
dependency on the output current (parameter is input voltage).
Figure 8: Efficiency variation with input voltage (Parameter is Iout)
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Input Voltage [V]
100mA
75mA
50mA
25mA
10mA
5mA
2.5mA
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55
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125
175
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Input Voltage [V]
100mA
75mA
50mA
25mA
10mA
5mA



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