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L5988D Datasheet(PDF) 43 Page - STMicroelectronics

Part # L5988D
Description  Pre-bias start up capability
PDF  52 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5988D Datasheet(HTML) 43 Page - STMicroelectronics

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L5988D
Application information
52
Figure 25. Bottom board layout
6.8
Application circuit
In Figure 26 is shown the demonstration board application circuit working.
The operating switching frequency is 400 kHz. The designed system bandwidth is 68 kHz
with a the phase margin of 50
. The peak current limitation is set 5.2 A, the valley current
limitation 5.8 A in order to deliver up to 4 A DC to the load.
Figure 26. Demonstration board application circuit (fSW = 400 kHz)



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