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AN2837 Scheda tecnica(PDF) 7 Page - STMicroelectronics

Il numero della parte AN2837
Spiegazioni elettronici  Positive to negative buck-boost converter
PDF  12 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2837 Scheda tecnica(HTML) 7 Page - STMicroelectronics

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AN2837
Design considerations
7/12
The following figures show how the application functions well in step-down mode 12 VIN -> -
5 VOUT (Figure 7) and in step-up mode 3.3 VIN -> -5 VOUT (Figure 8).
Figure 7.
Step-down mode, 12 VIN, - 5.5 VOUT, 500 mA IOUT
Switch Voltage, 5V/div
Inductor Current, 500mA/div
Switch Voltage, 5V/div
Inductor Current, 500mA/div
Figure 8.
Step-up mode, 3.3 VIN, - 5.5 VOUT, 500 mA IOUT
Switch Voltage, 5V/div
Inductor Current, 500mA/div
Switch Voltage, 5V/div
Inductor Current, 500mA/div



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