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AN4007 Arkusz danych(PDF) 10 Page - STMicroelectronics

Numer części AN4007
Szczegółowy opis  In several applications, such as LCD or plasma TVs
PDF  33 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4007 Arkusz danych(HTML) 10 Page - STMicroelectronics

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Test board: design and evaluation
AN4007
10/33
Doc ID 022455 Rev 2
Figure 6.
No load consumption vs. input voltage
1.4
Light load consumption
Even though the EC CoC and DoE-US EISA 2007 programs don’t have other requirements
regarding light load performance, except no load consumption, the user very often requires
the input power consumption when the output is loaded with a few tens of mW output power.
Such measurements were performed at different loads with brownout protection both
enabled and disabled, the results are reported below. The application meets the new EuP
Lot 6 requirements.
Figure 7.
Light load consumption at different output power without brownout
50
100
150
200
250
300
10
15
20
25
30
35
40
45
50
55
60
65
No brownout
With brownout
Input voltage [Vac]
AM11347v1
AM11345v1
0
50
100
150
200
250
300
350
400
450
50
100
150
200
250
300
30mW
50mW
100mW
250mW
Input voltage [Vac]



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