USB3503 datasheet(51/73 Pages) MICROCHIP

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DS00001584B-page 51

USB3503

10.0 SPECIFICATIONS

10.1

Absolute Maximum Ratings

Note 1: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the

device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

2: This is a stress rating only and functional operation of the device at any other condition above those indi-

cated in the operation sections of this specification is not implied.

3: When powering this device from laboratory or system power supplies, it is important that the Absolute Max-

imum 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.

10.2

Recommended Operating Conditions

Note 10-1

Applicable only when VDD_CORE_REG is supplied from external power supply.

Note 10-2

Applicable only when VDD_CORE_REG is tied to VDD33_BYP.

TABLE 10-1:

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Conditions

MIN

MAX

Units

VBAT

-0.5

5.5

VDD_CORE_REG

-0.5

4.6

VDD33

VDD33_BYP

-0.5

4.6

Maximum IO Voltage to Ground

VIO

-0.5

4.6

REFCLK Voltage

VMAX_REFCLK

-0.5

3.6

Voltage on USB+ and USB- pins VMAX_USB

-0.5

5.5

Operating Temperature

TMAX_OP

Commercial

Operating Temperature

TMAX_OP

Industrial

-40

Storage Temperature

TMAX_STG

-55

150

TABLE 10-2:

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Conditions

MIN

TYP

MAX

Units

VBAT

2.9

5.5

VDD_CORE_REG

Note 10-1

1.6

1.8

2.0

VDD_CORE_REG

Note 10-2

3.0

3.3

3.6

Input Voltage (DP, DM)

VIUSB

-0.3

5.5

Input Voltage (STROBE,

DATA)

VIHSIC

-0.3

1.2

1.32

Input Voltage on I/O Pins

-0.3

1.8

3.6

Voltage on REFCLK

VREFCLK

-0.3

3.6

Ambient Temperature

Commercial

Ambient Temperature

Industrial

-40

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