RT3624LE datasheet(39/48 Pages) RICHTEK

Part #	RT3624LE

Description	Dual Channel PWM Controller for IMVP9.1 CPU Core Power Supply

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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39 / 48 page

RT3624LE

is a registered trademark of Richtek Technology Corporation

DS3624LE-00

April

2022

www.richtek.com

The switching frequency can be derived from TON as shown below. The losses in the GTUS power stage and driver

characteristics are considered.

Freq=

VID+

ICC

×(DCR+

RONLS,max

nLS

-N×RLL)

�V

IN+

ICC

�RONLS,max

nLS

RON

HS,max

nHS

��×�T

ON-TD+TON, VAR

�+ICC

RONLS,max

nLS

×TD

VID: VID voltage

VIN: input voltage

ICC: loading current

N: total phase number

RON

HS,max: maximum equivalent high-side RDS(ON)

nHS: number of high-side MOSFETs

RON

LS,max

: maximum equivalent low-side RDS(ON)

nLS: number of low-side MOSFETs.

TD: summation of the high-side MOSFET delay time and rising time

TON, VAR: on-time variation value

DCR: inductor DCR

RLL: load-line setting (Ω)

RT3624LE Datasheet(PDF) 39 Page - Richtek Technology Corporation

RT3624LE Datasheet(HTML) 39 Page - Richtek Technology Corporation

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