onsemi NCT22
The NCT22 and NCT24 are programmable solid state temperature sensors designed to replace mechanical switches in sensing and control applications. Both devices integrate the temperature sensor with a voltage reference and all required detector circuitry. The desired temperature set point is set by the user with a single external resistor.| Part No. | NCT22 |
|---|---|
| Datasheet | NCT22 Download |
| Manufacturer |  onsemi |
| Description | Low Cost Single Trip Point Temperature Sensor |
| Buy | Stock & Price |
FEATURES
● 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 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 CONNECTIONS N/C 1 OUT 2 OUT 3 GND 4 NCT22 NCT24 8 N/C 7 VDD 6 N/C 5 TSET (Top View) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. Figure 1. Heat Monitor for Smoke Detector © Semiconductor Components Industries, LLC, 2002 June, 2002 – Rev. 1 1 Publication Order Number: NCT22/D NCT22, NCT24
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