EMC2101-R-ACZL-TR datasheet(10/57 Pages) SMSC

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SMBus Fan Control with 1°C Accurate Temperature Monitoring

Datasheet

Revision 2.54 (06-16-09)

SMSC EMC2101

DATASHEET

Chapter 3 Electrical Specifications

3.1

Absolute Maximum Ratings

Note: Stresses above those listed could cause permanent damage to the device. This is a stress

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

in the operation sections of this specification is not implied. 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. If this possibility exists, it is suggested that a clamp

circuit be used.

Note 3.1

For the 5V tolerant pins that have a pull-up resistor, the pull-up voltage must not exceed

3.6V when the EMC2101 is unpowered.

3.2

Electrical Specifications

Table 3.1 Absolute Maximum Ratings

DESCRIPTION

RATING

UNIT

Supply Voltage (VDD)

-0.3 to 5.0

Voltage on 5V tolerant pins (V5VT_pin)

-0.3 to 5.5

Voltage on 5V tolerant pins (|V5VT_pin - VDD|) (see Note 3.1)

-0.3 to 3.6

Voltage on any other pin to Ground

-0.3 to VDD +0.3

Operating Temperature Range

-40 to 125

°C

Storage Temperature Range

-55 to 150

°C

Lead Temperature Range

Refer to JEDEC Spec. J-STD-

020

Package Thermal Characteristics for MSOP-8

Thermal Resistance

140.8

°C/W

Package Thermal Characteristics for SOIC-8

Thermal Resistance

135.9

°C/W

ESD Rating, All pins HBM

2000

Table 3.2 Electrical Specifications

VDD = 3.0V to 3.6V, TA = 0oC - 85oC, Typical values are at TA = 27°C unless otherwise noted

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

DC Power

Supply Voltage

VDD

3.0

3.3

3.6

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