Low Cost, 2.7 V To 5.5 V, Micropower Temperature Switch In SOT-23 W/Open-drain Output, Monitors Temps From −45°C To +15°C

The ADT6503 ADT6504 are trip point Temperature Switches available in a 5-lead SOT-23 package. Each part contains an internal band gap Temperature Sensor for local temperature sensing. When the temperature crosses the trip point setting, the Logic output is activated. The ADT6503 Logic output is active low and open-drain. The ADT6504 Logic output is active high and push-pull. The temperature is digitized to a resolution of 0.0625C (12 bit). The factory settings are 10C apart starting from 45C to +15C for the cold threshold models and from +35C to +115C for the hot threshold models.
These devices require no external components and typically consume 30 A supply current. Hysteresis is pin-selectable at 2C and 10C. The temperature Switch is specified to operate over the supply range of 2.7 V to 5.5 V.
The ADT6503 and ADT6504 are used for monitoring temperatures from 45C to +15C only. Therefore, the Logic output pin becomes active when the temperature goes lower than the selected trip point temperature.
Product Highlights Wide operating temperature range from 55C to +125C. 0.5C typical accuracy from 45C to +115C. Factory threshold settings from 45C to +115C in 10C increments. Supply voltage is 2.7 V to 5.5 V. Supply current of 30 A. Space-saving, 5-lead SOT-23 package. Pin-selectable temperature hysteresis of 2C or 10C. Temperature resolution of 0.0625C.
Applications Medical equipment Automotive Cell phones Hard disk drives Personal computers Electronic test equipment Domestic appliances Process control
Data Sheet, Rev. PrB, 3/07
By Analog Devices, Inc.
ADT6503 's PackagesADT6503 's pdf datasheet

ADT6503 Pinout, Pinouts
ADT6503 pinout,Pin out
This is one package pinout of ADT6503,If you need more pinouts please download ADT6503's pdf datasheet.

ADT6503 Application circuits
ADT6503 circuits
This is one application circuit of ADT6503,If you need more circuits,please download ADT6503's pdf datasheet.

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