MAX6639ATE+ Maxim Integrated Products, MAX6639ATE+ Datasheet - Page 4

• Manufacturer Part Number: MAX6639ATE+
• Description: IC TEMP MONITOR 2CH 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX6639ATE+

• Function: Fan Control, Temp Monitor
• Topology: ADC, PWM Generator, Tach Counter
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 150°C, External Sensor
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2-Channel Temperature Monitor with Dual,
Automatic, PWM Fan-Speed Controller
(V
4
CC
-0.5
-1.0
-1.5
-2.0
-0.5
-1.0
-1.5
-2.0
1.0
0.5
2.0
1.5
1.0
0.5
_______________________________________________________________________________________
10
0
9
8
7
6
5
4
3
2
1
0
0
= 3.3V, T
0.1
3.0
0
vs. COMMON-MODE NOISE FREQUENCY
V
V
IN
IN
REMOTE TEMPERATURE ERROR
= AC-COUPLED TO DXP AND DXN
= 100mV
LOCAL TEMPERATURE ERROR
STANDBY SUPPLY CURRENT
1
3.5
25
vs. DIE TEMPERATURE
A
vs. SUPPLY VOLTAGE
P-P
= +25°C.)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
10
FREQUENCY (Hz)
SQUARE WAVE
4.0
50
100
4.5
75
1k
100
5.0
10k
100k
125
5.5
800
700
600
500
400
300
200
-0.5
-1.0
-1.5
-2.0
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
0
0
3.0
10
10
vs. POWER-SUPPLY NOISE FREQUENCY
vs. DIFFERENTIAL NOISE FREQUENCY
V
V
V
V
IN
CC
IN
IN
REMOTE TEMPERATURE ERROR
REMOTE TEMPERATURE ERROR
= 250mV
= AC-COUPLED TO DXP
= 100mV
OPERATING SUPPLY CURRENT
WITH NO BYPASS CAPACITOR
3.5
100
100
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
P-P
P-P
FREQUENCY (Hz)
FREQUENCY (Hz)
SQUARE WAVE APPLIED TO
SQUARE WAVE
4.0
1k
1k
Typical Operating Characteristics
4.5
10k
10k
5.0
100k
100k
5.5
-0.5
-1.0
-1.5
-2.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
2.0
1.5
1.0
0.5
2.0
1.0
-1
-2
2
1
0
0
0
0.1
0
1
vs. POWER-SUPPLY NOISE FREQUENCY
V
V
vs. REMOTE-DIODE TEMPERATURE
IN
CC
REMOTE TEMPERATURE ERROR
= 250mV
WITH NO BYPASS CAPACITOR
LOCAL TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
25
10
DXP-DXN CAPACITANCE (nF)
TEMPERATURE ERROR
P-P
TEMPERATURE (°C)
FREQUENCY (Hz)
1
SQUARE WAVE APPLIED TO
100
50
FAIRCHILD 2N3906
75
1k
10
100
10k
100k
125
100