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AN2829 Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce AN2829
Description  Dual step-down controller with auxilary voltages
PDF  32 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2829 Fiches technique(HTML) 23 Page - STMicroelectronics

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AN2829
Test setup and performance summary
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Figure 15.
Input current vs. input voltage
Figure 16 shows the input current consumption measured at VIN+. Both switching sections
work in pulse skip mode. No load is applied on the outputs.
Figure 16.
Input current vs. input voltage
Figure 17 shows the input current consumption measured at VIN+. Both switching sections
work in no audible skip mode. No load is applied on the outputs.
AM01421v1
PWM no load battery current
vs input voltage
5.00
10.00
15.00
20.00
25.00
30.00
35.00
8
10
12
14
16
18
20
22
24
26
28
Input voltage [V]
linput
IEXT5V
AM01422v1
SKIP no load battery current
vs input voltage
0.00
0.10
0.20
0.30
0.40
0.50
0.60
8
10
12
14
16
18
20
22
24
26
28
Input voltage [V]
IEXT5V
Iinput



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