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AN2837 Scheda tecnica(PDF) 3 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) 3 Page - STMicroelectronics

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AN2837
Principle of operation
3/12
Figure 2.
Basic configuration of a polarity-inverting converter (buck-boost) (1)
1.
Energy is stored in inductor L during the ON time of the operating period.
SW close
CNTL
C
IN
GND
GND
C
OUT
D
L
SW close
CNTL
C
IN
GND
GND
C
OUT
D
L
SW close
Energy storage in the inductor
V
IN
-V
L
GND
I
PK
SW close
Energy storage in the inductor
V
IN
-V
L
GND
I
PK



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