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RT6310C/CH 数据表(PDF) 18 Page - Richtek Technology Corporation |
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RT6310C/CH 数据表(HTML) 18 Page - Richtek Technology Corporation |
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18 / 54 page  RT6310 Copyright © 2023 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS6310-04 August 2023 18 VIN_UVLO_ON = 4.1V UVLO OK PGOOD high SS OK VIN VEN/MODE VOUT VPGOOD VEN/MODE_H = 0.635V EN/MODE OK tR = 0.75ms tSS = 2.3ms tENDLY PSM: VEN/MODE 2.3V USM: VEN/MODE = 0.88V~1.7V VIN_ULVO_ON AND VEN/MODE_H Enable SS counter VCC VOUT = 3.3V LDO Bypass Switch (VOUT to LDO) 10%VOUT 90%VOUT VCC_EXT = 5V (External) VCC = VCC_EXT VCC Bypass Switch (VCC_EXT to VCC) VCC_EXT 4.7V AND SS OK AND UVLO OK AND EN/MODE OK VCC Bypass Switch on VIN to LDO VIN to VCC VOUT 3.1V AND SS OK AND UVLO OK AND EN/MODE OK LDO Bypass Switch on VLDO3 VOUT = 3.1V VOUT to LDO VCC_EXT to VCC VLDO3 = VOUT Note 1. SS (soft-start ): soft-start wit h ramp Figure 5. Power On Sequence of RT6310B/BH : Ramping Up VIN Followed by VEN/MODE |
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