MAX6670 Maxim Integrated Products, MAX6670 Datasheet - Page 6

• Manufacturer Part Number: MAX6670
• Description: (MAX6668 / MAX6670) Remote Temperature Switches
• Manufacturer: Maxim Integrated Products

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Remote Temperature Switches with Integrated
Fan Controller/Driver
Figure 1. Temperature Trip Threshold Hysteresis
Figure 2. Recommended DXP/DXN PC Traces
6
10MILS
10MILS
_______________________________________________________________________________________
MAX6668
MAX6670
CPU
TRIP TEMPERATURE
TRIP TEMPERATURE
– HYSTERESIS
Typical Operating Circuit
HYST
DXP
DXN
FANOUT
GND
MAX6670
+3V TO +3.6V
GND
DXP
DXN
GND
PGND
V
DD
FORCEON
FANOUT
WARN
OT
TIME
V
V
DD
DD
V
DD
+4.5V TO +12V
10MILS
MINIMUM
10MILS
TRANSISTOR COUNT: 8113
PROCESS: BiCMOS
MAX6670AUB40 -40°C to +125°C
MAX6670AUB45 -40°C to +125°C
MAX6670AUB50 -40°C to +125°C
MAX6670AUB55 -40°C to +125°C
MAX6670AUB60 -40°C to +125°C
MAX6670AUB65 -40°C to +125°C
MAX6670AUB70 -40°C to +125°C
MAX6670AUB75 -40°C to +125°C
PART
TOP VIEW
FORCEON
FORCEON
WARN
PGND
PGND
DXP
DXN
DXP
DXN
1
2
3
4
5
1
2
4
3
RANGE
Ordering Information
TEMP
Pin Configurations
MAX6670
MAX6668
MAX
MAX
Chip Information
PA C K A G E
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10
PI N -
8
7
6
5
9
8
7
6
FANOUT
V
FANOUT
HYST
V
GND
OT
GND
GND
DD
DD
T H R ESH -
O L D
( ° C )
40
45
50
55
60
65
70
75