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L6920DC Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce L6920DC
Description  Synchronous rectifier step up converter
PDF  16 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6920DC Fiches technique(HTML) 6 Page - STMicroelectronics

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Typical performance
L6920DC
6/16
4
Typical performance
Figure 2.
Efficiency vs output current @ VOUT = 3.3V
Figure 3.
Efficiency vs output current @ VOUT = 5V
Figure 4.
Start up voltage vs output current @ Vout = 5V & Vout = 3.3V
40
45
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0.1
1
10
100
1000
Vin=2.4V
Vin=1.2V
L6920DB
Vout=3.3V
L=10µH
Cout=47µF
Cin=10µF
L6920DC
0
10
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30
40
50
60
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0.1
1
10
100
1000
Vin=3.6V
Vin=2.4V
Vin=1.2V
L6920DB
Vout=5V
L=10µH
Cout=47µF
Cin=10µF
L6920DC
VStart up vs . out put cur rent
600
700
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1000
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0.1
1
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1000
Out put cu rrent (mA)
VStart up v s. output current
600
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0.1
1
10
100
1000
Output current (mA)
Vout =3.3V
Vout =5V



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