USB7252SLASHKDX datasheet(46/65 Pages) MICROCHIP

部件名	USB7252/KDX

功能描述	4-Port USB 3.2 Gen 2 Type-C짰 Controller Hub

PDF	65 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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46 / 65 page

USB7252

DS00002736D-page 46



2018 - 2020 Microchip Technology Inc.

9.3

Package Thermal Specifications

FIGURE 9-1:

SUPPLY RISE TIME MODEL

Note:

The Power Supply Rise time requirement does not apply if the

RESET_N signal is held low during power

on and released after power levels rise and stabilize above the power on thresholds, or if the

RESET_N

signal is toggled after power supplies become stable.

TABLE 9-1:

PACKAGE THERMAL PARAMETERS

Symbol

°C/W

Velocity (Meters/s)

JA

2.5

JT

0.1

JB

JC

1.3

JB

Note:

Thermal parameters are measured or estimated for devices in a multi-layer 2S2P PCB per JESDN51. For

industrial applications, the USB7252 requires multi-layer 2S4P PCB power dissipation.

t10%

10%

90%

Voltage

TRT

t90%

Time

100%

3.3 V

VSS

VDD33

90%

100%

VCORE

USB7252/KDX 数据表(PDF) 46 Page - Microchip Technology

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