SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
Chapter 3 Electrical Specifications
3.1
Absolute Maximum Ratings
Table 3.1 Absolute Maximum Ratings
DESCRIPTION
RATING
UNIT
Supply Voltage (VDD
)
-0.3 to 5.0
-0.3 to 5.5
V
V
Voltage on SMDATA and SMCLK pins
Voltage on any other pin to Ground
Operating Temperature Range
Storage Temperature Range
-0.3 to VDD +0.3
-40 to 125
V
°C
°C
-55 to 150
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
2000
°C/W
V
ESD Rating, All pins HBM
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.
3.2
Electrical Specifications
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
Supply Current
VDD
IDD
3.0
3.3
0.6
3.6
1
V
mA
16 conversion / second - PWM or
DAC driver operational
Supply Current
SMSC EMC2101
IDD
200
uA
1 conversion / 16 seconds - PWM
driver operational
9
Revision 2.53 (03-13-07)
DATASHEET
SMSC [ SMSC CORPORATION ]
