RT6310ASLASHAH datasheet(18/54 Pages) RICHTEK

Part #	RT6310A/AH

Description	10A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO

PDF	54 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

Logo

18 / 54 page

RT6310

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS6310-04

August 2023

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

RT6310A/AH Datasheet(PDF) 18 Page - Richtek Technology Corporation

RT6310A/AH Datasheet(HTML) 18 Page - Richtek Technology Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

Datasheet Download

Link URL