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MAX6505

Maxim
Part Number MAX6505
Manufacturer Maxim
Description Dual Trip SOT Temperature Switches
Published May 2, 2005
Detailed Description 19-1712; Rev 1; 4/00 Dual Trip SOT Temperature Switches General Description The MAX6505–MAX6508 temperature switches ha...
Datasheet PDF File MAX6505 PDF File

MAX6505
MAX6505

Overview
19-1712; Rev 1; 4/00 Dual Trip SOT Temperature Switches General Description The MAX6505–MAX6508 temperature switches have dual logic outputs that assert when the die temperature crosses their trip thresholds.
Trip thresholds are factory programmed to convenient temperatures in 5°C increments.
The MAX6505/MAX6506 have an ALARM output that asserts when the temperature is above the factory-programmed thresholds (available from -40°C to +125°C).
They also have a WARN output that asserts when the temperature is several degrees below the ALARM threshold.
The difference between the ALARM and WARN thresholds (∆TAW) is pin selectable to +5°C, +10°C, +20°C, or +30°C.
The MAX6505’s logic outputs are open drain, while the MAX6506’s logic outputs are push-pull.
The MAX6507 has open-drain outputs (OVER, OK), and the MAX6508 has push-pull outputs (OVER, OK), each with two factory-programmed threshold temperatures (TOVER and TUNDER) in the wide range of -40°C to +125°C.
The overtemperature output asserts when the temperature is above TOVER.
When the temperature is in the desired window (less than TOVER and greater than TUNDER), OK (OK) asserts.
The MAX6505–MAX6508 are accurate to ±0.
5°C (typ), ±5.
5°C (max).
Operating from a +2.
5V to +5.
5V supply, these low-cost devices typically consume 30µA supply current and require no external components for setting trip points.
The MAX6505–MAX6508 are available in a 6pin SOT23 package.
Features o ±0.
5°C (typ) Threshold Accuracy Over Full Temperature Range o No External Components Required o Low Cost o 30µA (typ) Supply Current o Factory-Programmed Thresholds from -40°C to +125°C in 5°C Increments o Open-Drain Outputs (MAX6505/MAX6507), Push-Pull Outputs (MAX6506/MAX6508) o Pin Selectable +2°C, +10°C Hysteresis (MAX6507/MAX6508) o Pin Selectable +5°C, +10°C, +20°C, +30°C TALARM - TWARN (MAX6505/MAX6506) o SOT23-6 Package MAX6505–MAX6508 Ordering Information PART MAX6505UT_ _ _ _-T* MAX6506UT_ _ _ _-T* MAX6507UT_ _ _ _-T** MAX6508UT_ _ _ _-T*...


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