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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACT88430 датащи(PDF) 67 Page - Qorvo, Inc |
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ACT88430 датащи(HTML) 67 Page - Qorvo, Inc |
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67 / 74 page  Data Sheet Rev. G, August 2021 | Subject to change without notice 67 of 74 www.qorvo.com © 2020 Qorvo US, Inc. All rights reserved. Confidential ACT88430 Advanced PMU for Microcontrollers and Solid State Drive Applications ® Startup SLEEP Mode Pull PWREN high to operate in ACTIVE mode. Pull PWREN low to operate in SLEEP mode. Buck1/4 turn off in SLEEP mode. Buck2/3 regulate to VSET1 in SLEEP mode. DVS Mode This CMI does not have true DVS functionality. See the different GPIO functions to see which ones control a buck converter’s output voltage. POK Thresholds POK_UV = 2.77V POK_OV = 3.76V PG The PG pin is not used and can be left open or pulled to GND. POK POK is configured as an input to select the Buck4 output voltage. When POK is L, VSET1 sets Buck4 to 1.2V. When POK is H, VSET0 sets Buck1 to 1.8V. EXT_EN The EXT_EN pin is not used and should be left open. nRESET The nRESET pin is configured as the Buck2 POK open drain output with 0ms delay. nRESET_AUX1 The nRESET_AUX1 pin is programmed as an open drain output. It goes high 1989us after Buck4 goes into regulation. |
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