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AN2787 데이터시트(PDF) 35 Page - STMicroelectronics

부품명 AN2787
상세설명  Monolithic VR demonstration board for chipset
PDF  37 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN2787 데이터시트(HTML) 35 Page - STMicroelectronics

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AN2787
STEVAL-ISA050V1 evaluation tests
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10.10
Thermal behavior
The device temperature is mainly influenced by LDO VTT current. The typical working
currents are shown in Table 3.
VTT is supplied by VDDQ and the device (average) temperature is 54.5 °C.
Figure 41.
PM6641 demonstration board surface temperature when loaded with
typical currents, Tamb = 23 °C, VIN = 3.3 V, FSW = 660 kHz
Table 3.
Average working currents for each rail
Rail
Current [A]
VDDQ (1.8 V)
1.35
1.5 V
1.25
1.05 V
1.75
VTT (0.9 V)
0.3



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