USB5807C datasheet(41/56 Pages) MICROCHIP

Part #	USB5807C

Description	7-Port USB 3.2 Gen 1 SmartHubTM IC

PDF	56 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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41 / 56 page

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2019 - 2021 Microchip Technology Inc.

DS00003182B-page 41

USB5807C

10.3 Package Thermal Specifications

FIGURE 10-1:

SUPPLY RISE TIME MODEL

Note:

The rise time for the 3.3 V supply can be extended to 100ms max if

RESET_N is actively driven low, typi-

cally by another IC, until 1 µs after all supplies are within operating range.

TABLE 10-1: PACKAGE THERMAL PARAMETERS

Symbol

°C/W

Velocity (Meters/s)

JA

JT

0.1

JC

1.4

Note:

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

industrial applications, the USB5807C requires a multi-layer 2S4P PCB power dissipation.

TABLE 10-2: MAXIMUM POWER DISSIPATION

Parameter

Value

Units

PD(max)

2.3

t10%

10%

90%

Voltage

TRT

t90%

Time

100%

3.3 V

VSS

VDD33

90%

100%

1.2 V

VDD12

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