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Trip Point Programming The NCT22 and NCT24 are single point temperature detectors ideal for use in a wide variety of applications. When the temperature of the device exceeds the programmed temperature trip point, TSET, the OUT and OUT outputs are driven into their active states. The desired trip point temperature is programmed with a single external resistor.
• Temperature Set Point Easily Programs with a Single External
Resistor
• Operates with 2.7 V Power Supply (NCT24)
• Small SOIC Package
• Cost Effective
Applications
• Power Supply Over
–Temperature Detection
• Consumer Electronics
• Fire/Heat Detection
• UPSs, Amplifiers, Motors
• CPU Thermal Management in PCs
+
9V Battery
–
RSET
Sensor
1 NCT22 7 NC VDD
5 TSET
8 NC
6 OUT 3 NC
4 GND OUT 2
+9 V Sounder
CONTROL ASIC
ALARM
http://onsemi.com
MARKING DIAGRAM
8 1
SOIC
–8 D SUFFIX CASE 751
8
NCTxx ALYW
1
xx = 22 or 24 A = Assembly Location L = Wafer Lot Y = Year W = Work Week
PIN CONNECT.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCT203 |
ON Semiconductor |
Low Voltage High Accuracy Temperature Monitor |
|
| 2 | NCT210 |
ON Semiconductor |
Low Cost Microprocessor System Temperature Monitor Microcomputer |
|
| 3 | NCT214 |
ON Semiconductor |
Temperature Monitor |
|
| 4 | NCT218 |
ON Semiconductor |
High Accuracy Temperature Monitor |
|
| 5 | NCT24 |
ON Semiconductor |
Low Cost Single Trip Point Temperature Sensor |
|
| 6 | NCT275 |
ON Semiconductor |
Industry Standard Digital Temperature Sensor |
|
| 7 | NCT |
NIC-Components |
Surface Mount Aluminum Electrolytic Capacitors |
|
| 8 | NCT050A |
SaRonix |
(NCT Series) Crystal Clock Oscillator |
|
| 9 | NCT050B |
SaRonix |
(NCT Series) Crystal Clock Oscillator |
|
| 10 | NCT050C |
SaRonix |
(NCT Series) Crystal Clock Oscillator |
|
| 11 | NCT070A |
SaRonix |
(NCT Series) Crystal Clock Oscillator |
|
| 12 | NCT070B |
SaRonix |
(NCT Series) Crystal Clock Oscillator |
|