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STSPIN32F0 데이터시트(PDF) 21 Page - STMicroelectronics

부품명 STSPIN32F0
상세설명  Three-phase gate drivers
PDF  40 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STSPIN32F0 데이터시트(HTML) 21 Page - STMicroelectronics

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STSPIN32F0
Device description
40
If the failure event occurs on the SW pin and the IOVC threshold is reached the regulator is
latched off. To restart the DC/DC regulator a power-down and power-up cycle of device
supply voltage (VM) is mandatory.
If the failure event occurs on the regulator output (VDDA pin) and the voltage goes below
the UVLO threshold (VDDOff), the regulator restarts with a new soft-start sequence until the
OC condition is removed. In this case the current in the coil is limited by ISW.peak.
The DC/DC regulator embeds a thermal protection as described in Section 6.1.2.
Figure 7. DC/DC buck regulator topology
Figure 8. Soft-start timing



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