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AN4192 Datasheet(PDF) 40 Page - STMicroelectronics

No. de pieza AN4192
Descripción Electrónicos  In the latest generation of CPUs for modern desktop and notebook platforms
PDF  47 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4192 Datasheet(HTML) 40 Page - STMicroelectronics

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Doc ID 023820 Rev 1
Subsequently, the external HS gate resistor becomes 2.2
Ω, while the other components
remain unchanged (“Configuration 2”). A further reduction of the phase node spike is
achieved (30.1 V). In Figure 50, the waveforms at full load conditions are reported.
Finally, the snubber resistor value is decreased from 1.8
Ω to 1 Ω, to emphasize the CSNUB
effect (“Configuration 3”). The gate resistors are unmodified (Figure 51).
Figure 50.
RG,HS(EXT) = 2.2 Ω - RG,HS(EXT) = 1.8 Ω/ original snubber waveforms @ 20 A
AM16493V1



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