EMC2113 datasheet(13/85 Pages) SMSC

13 / 85 page

RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown

Datasheet

SMSC EMC2113

Revision 1.2 (10-08-09)

DATASHEET

Chapter 4 Electrical Characteristics

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: All voltages are relative to ground.

Note:

JA numbers are based on a recommended four 12 mil vias connecting the thermal pad to PCB

ground.

Note 4.1

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

3.6V when the EMC2113 is unpowered.

Table 4.1 Absolute Maximum Ratings

Voltage on 5V tolerant pins (VPULLUP)

-0.3 to 5.5

Voltage on 5V tolerant pins (|VPULLUP - VDD|) See Note 4.1

0 to 3.6

Voltage on VDD pin

-0.3 to 4

Voltage on any other pin to GND

-0.3 to VDD + 0.3

Package Power Dissipation

0.8W up to TA = 85°C

Junction to Ambient (

JA)

°C/W

Operating Ambient Temperature Range

-40 to 125

°C

Storage Temperature Range

-55 to 150

°C

ESD Rating, All Pins, HBM

2000

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