EMC2103-2-AP-TR Standard Microsystems (SMSC), EMC2103-2-AP-TR Datasheet - Page 14

• Manufacturer Part Number: EMC2103-2-AP-TR
• Description: CLOSED LOOP RPM FAN CONTROLLER
• Manufacturer: Standard Microsystems (SMSC)

Revision 0.88 (06-30-08)
3.1
CHARACTERISTIC
Diode decoupling
PWM Duty Cycle
Resistance Error
PWM Resolution
First Conversion
Supply Voltage
Supply Current
SMBus Delay
Temperature
Temperature
Temperature
Temperature
Resolution
Resolution
Corrected
Accuracy
Accuracy
capacitor
Ready
VDD = 3V to 3.6V, T
Electrical Specifications
SYMBOL
R
t
C
t
CONV_T
DUTY
SMB_D
PWM
SERIES
FILTER
T
T
V
I
DD
A
DIE
DIE
DD
= -40°C to 125°C, all Typical values at T
Table 3.2 Electrical Specifications
MIN
External Temperature Monitors
3
0
Internal Temperature Monitor
DATASHEET
PWM Fan Driver
0.125
0.125
2200
DC Power
±0.5
TYP
450
175
100
256
3.3
1.3
10
±1
±1
1
14
MAX
2700
±1.5
750
300
100
3.6
1.8
1.5
15
±1
±2
±2
RPM-Based Fan Controller with HW Thermal Shutdown
Steps
UNIT
A
Ohm
mA
mA
ms
ms
uA
°C
°C
°C
pF
°C
°C
°C
%
V
= 27°C unless otherwise noted.
4 Conversions / second, Fan
Driver active at maximum PWM
frequency, Dynamic Averaging
Enabled (EMC2103-2)
4 Conversions / second, Fan
Driver active at maximum PWM
frequency, Dynamic Averaging
Enabled (EMC2103-1)
1 Conversions / second, Fan
Driver not active, Dynamic
Averaging Disabled
Time after power up before all
channels updated
Time before SMBus
communications should be sent
by host
60°C < T
30°C < T
-40°C < T
Connected across external
diode, CPU, GPU, or AMD diode
Sum of series resistance in both
DP and DN lines
-40°C < TA < 125°C
0°C < T
A
A
CONDITIONS
DIODE
< 85°C
DIODE
< 100°C
< 125°C
< 125°C
SMSC EMC2103
Datasheet