NCT65
V DD
1
NCT65
REFERENCE
+
T_TRIP = 85 ? C
COMPARATOR
?
4
THERM2
D+ 2
LOW
PASS
FILTER
DIFFERENCE
AMPLIFIER
D ? 3
?
REFERENCE
COMPARATOR
+
T_TRIP = 70 ? C
6
THERM1
5
7
8
GND
Figure 1. Functional Block Diagram
Table 1. PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
Pin Name
V DD
D+
D ?
THERM2
GND
THERM1
GND
GND
Description
Positive Supply Voltage. 2.8 V to 3.6 V.
Positive Connection for Remote Temperature Sensor.
Negative Connection for Remote Temperature Sensor.
Active-low Open-drain Over-temperature Output Pin; Needs a Pull-up Resistor.
Power Supply Ground.
Active-low Open-drain Over-temperature Output Pin; Needs a Pull-up Resistor.
Power Supply Ground.
Power Supply Ground.
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2
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