emc2106 Standard Microsystems Corp., emc2106 Datasheet - Page 16

• Manufacturer Part Number: emc2106
• Description: Emc2106 Dual Rpm-based Linear Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

Revision 1.74 (05-08-08)
VDD = 3V to 3.6V, VDD_5V = 4.5V to 5.5V, T
Supply Current
Supply Current from
VDD_5V
Temperature
Accuracy
Temperature
Resolution
Diode decoupling
capacitor
Resistance Error
Corrected
Temperature
Accuracy
Temperature
Resolution
Total Unadjusted
Error
Reference Voltage
Reference Accuracy
PWM Resolution
PWM Duty Cycle
Output High Voltage
from 5V supply
Voltage Accuracy
Fan Drive Current
Overcurrent Limit
CHARACTERISTIC
Δ
SYMBOL
R
I
V
C
V
SOURCE
Δ
DUTY
I
PWM
I
V
SERIES
FAN_OUT
FILTER
TUE
OH_5V
OVER
T
DD_5
I
V
REF
DD
DIE
REF
Table 3.2 Electrical Specifications (continued)
VDD_5V
- 0.35
MIN
External Temperature Monitors
0
Internal Temperature Monitor
A
Voltage Measurement
High Side Fan Driver
= -40°C to 85°C, all Typical values at T
DATASHEET
PWM Fan Driver
Dual RPM-Based Linear Fan Controller with Hardware Thermal Shutdown
VDD_5
V - 0.3
±0.25
0.125
0.125
2200
TYP
±0.5
500
100
800
256
±1
1
1
noted.
16
MAX
2700
2800
750
100
100
600
±1
±2
±2
1
2
Steps
UNIT
Ohm
mV
mA
mA
uA
uA
pF
°C
°C
°C
°C
°C
%
%
%
%
V
1 Conversions / second-
Dynamic Averaging disabled,
Fan Drivers disabled.
Fan Driver enabled, No load
current
60°C < T
30°C < T
0°C < T
0°C < T
Connected across external
diode, CPU, GPU, or AMD diode
Sum of series resistance in both
DP and DN lines
Note 3.4
Measured at 3/4 full scale
I
5V
Measured at 3/4 full scale -
Direct Setting Mode
Momentary Current drive at
startup for < 2 seconds
1.5V < FAN_OUT < 3.5V
SOURCE
A
= 27°C unless otherwise
DIODE
DIE
= 600mA, VDD_5V =
CONDITIONS
DIODE
DIE
< 115°C
< 85°C
< 125°C,
< 110°C
SMSC EMC2106
Datasheet