USB2250I datasheet(34/43 Pages) MICROCHIP

34 / 43 page

 2009 - 2015 Microchip Technology Inc.

DS00002005A-page 34

USB2250/50i/51/51i

9.0

DC PARAMETERS

9.1

Maximum Ratings

Note 9-1

Stresses above the specified parameters may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at any condition above those indicated in the

operation sections of this specification is not implied.

Note 9-2

When powering this device from laboratory or system power supplies, it is important that the absolute

maximum ratings not be exceeded or device failure can result. Some power supplies exhibit voltage

spikes on their outputs when the AC power is switched on or off. In addition, voltage transients on

the AC power line may appear on the DC output. When this possibility exists, it is suggested that a

clamp circuit be used.

Parameter

Symbol

MIN

MAX

Units

Comments

Storage

Temperature

-55

150

°C

Lead

Temperature

°C

Please refer to JEDEC

specification J-STD-020D.

3.3 V supply

voltage

VDD33

-0.5

4.0

Voltage on

USB+ and USB-

pins

-0.5

(3.3 V supply voltage + 2)

6V

Voltage on

CRD_PWR0,

CRD_PWR1,

CRD_PWR2 and

CRD_PWR3

-0.5

VDD33 + 0.3

When internal power FET

operation of these pins are

enabled, these pins may be

simultaneously shorted to

ground or any voltage up to 3.63

V indefinitely, without damage to

the device as long as VDD33 is

less than 3.63 V and TA is less

than 70oC.

Voltage on any

signal pin

-0.5

VDD33 + 0.3

Voltage on

XTAL1

-0.5

3.6

Voltage on

XTAL2

-0.5

VDD18 + 0.3

FIGURE 9-1:

SUPPLY RISE TIME MODEL

t10%

10%

90%

Voltage

tRT

t90%

Time

100%

3.3 V

VSS

VDD33

USB2250I 데이터시트(PDF) 34 Page - Microchip Technology

USB2250I 데이터시트(HTML) 34 Page - Microchip Technology

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

데이터시트 다운로드

링크 URL