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STPM066S Datasheet(PDF) 55 Page - STMicroelectronics |
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STPM066S Datasheet(HTML) 55 Page - STMicroelectronics |
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55 / 67 page  Figure 24. Power up sequence (example with LDO disabled) Standby mode INIT mode MAINUP mode SECUP mode ACTIVE mode WKUP pin PG VREF PG Boost softstart VBOOST PG RESETB FSM REC mode INIT mode MAINUP mode SECUP mode ACTIVE mode PG VREF PG Boost softstart VBOOST PG RESETB FSM TRSTA Wd error Twk_filter (60 µs) INIT(330 µs) BUCK softstart Pgfilter (60 µs)+Power on delay VREF softstart (typ300 µs) Pgfilter (60 µs)+Power on delay Pgfilter (60 µs)+Power on delay Pgfitler (60 µs)+Power on delay BUCK INIT (330 µs) Twk_rec Pgfilter (60 µs) Pgfilter (60 µs)+Power on delay Pgfilter (60 µs)+Power on delay Pgfilter (60 µs)+Power on delay Pgfitler (60 µs)+Power on delay VREF softstart (typ 300 µs) BUCK softstart BUCK Internal delay (typ 300 µs) Internal delay (typ 300 µs) Pgfilter (60 µs) GADG1610180745PS STPM066S Power up programming DS12976 - Rev 2 page 55/67 |
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