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AN2816 Fiches technique(PDF) 31 Page - STMicroelectronics

No de pièce AN2816
Description  High-efficiency step-down controller
PDF  36 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2816 Fiches technique(HTML) 31 Page - STMicroelectronics

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AN2816
PM6675S demonstration tests
31/36
●
Latched OV protection
If the switching section output voltage is higher than the 115% nominal value, the
overvoltage state is entered and the low-side MOSFET is turned on in order to quickly
discharge the output capacitor and avoid load damages.
●
Latched thermal shutdown
If the junction temperature rises above 150 deg, the thermal protection circuit turns off the
device and discharges the switching section output capacitor by performing the soft-end.
Figure 30.
OV protection, pulse-skip mode
Figure 31.
VOUT and LOUT rails, thermal shutdown, pulse-skip mode, LOUT powered
by VOUT
AM01029v1
AM01030v1



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