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ALED6000PHTR Fiches technique(PDF) 32 Page - STMicroelectronics

No de pièce ALED6000PHTR
Description  Automotive 3 A single channel LED driver with integrated DC-DC converter
PDF  45 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ALED6000PHTR Fiches technique(HTML) 32 Page - STMicroelectronics

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In case the LED string is disconnected the maximum output voltage is given by:
VOUT,MAX=VFB+VD3
(33)
The series resistor, R7, must be selected in order to limit the maximum current flowing through D3, as shown in
Eq. (32)
ID3= VFB
RSNS+R7
(34)
The compensation network design strategy for buck-boost topology is described in Section 8.4 Compensation
strategy for alternative topologies .
Figure 28. Positive buck-boost PCB layout (component side)
Figure 29. Positive buck-boost PCB layout (bottom side)
ALED6000
Positive buck-boost
DS13018 - Rev 4
page 32/45



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