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MAX6511UT115 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6511UT115 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page General Description The MAX6511/MAX6512/MAX6513 are fully integrated, remote temperature switches that use an external P-N junction (typically a diode-connected transistor) as the sensing element to measure the remote temperature. These devices assert a logic signal when the tempera- ture crosses a factory-programmed threshold. Available trip thresholds are from +45°C to +125°C in 10°C incre- ments. Accuracy is within ±3°C (TA = -5°C to +55°C) or ±5°C (TA = -40°C to +85°C). Hysteresis is pin selec- table to 5°C or 10°C. The MAX6511 has an active-low CMOS output and the MAX6513 has an active-high CMOS output. The MAX6512 has an open-drain output. The output is asserted when the temperature exceeds the threshold value. The active-low open-drain output is intended to interface with a microprocessor (µP) reset or interrupt input. The active-high CMOS output can directly drive a power FET to control a cooling fan. The MAX6511/MAX6512/MAX6513 operate from a +3.0V to +5.5V supply and typically consume 400µA of supply current. They are available in the small 6-pin SOT23. The MAX6513 is also available in a 6-pin lead- free TDFN package. ________________________Applications CPU Temperature Monitoring in High-Speed Computers Multichip Modules Battery Packs Temperature Control Temperature Alarms Fan Control Features ♦ Continuously Measure External Junction Temperature ♦ Factory-Programmed Temperature Threshold from +45°C to +125°C in 10°C Increments ♦ Insensitive to Series Parasitic Resistance ♦ Active-Low CMOS Output (MAX6511) or Open-Drain Output for Overtemperature Alarm (MAX6512) or Active-High Output (MAX6513) for Direct Fan Control ♦ <100ms Response Time ♦ Accuracy ±3°C (TREMOTE = +45°C to +125°C, TA = -5°C to +55°C) ±5°C (TREMOTE = +45°C to +125°C, TA = -40°C to +85°C) ♦ Pin-Selectable 5°C or 10°C Hysteresis ♦ 400µA Average Current Consumption ♦ +3.0V to +5.5V Supply Range ♦ 6-Pin SOT23 Package ♦ 6-Pin TDFN Package (Lead Free) Low-Cost, Remote SOT Temperature Switches ________________________________________________________________ Maxim Integrated Products 1 GND TOVER (TOVER) HYST 16 DXP 5 DXN VDD MAX6511 MAX6512 MAX6513 TOP VIEW 2 34 ( ) ARE FOR MAX6513 SOT23 ONLY. Pin Configuration 19-1819; Rev 2; 10/04 Ordering Information *These parts are offered in nine standard temperature versions with a minimum order of 2500 pieces. To complete the suffix information, select an available trip point in degrees centigrade from the device marking codes table. For example, the MAX6511UT065-T describes a MAX6511 in a 6-pin SOT23 package with a +65°C threshold. PART* TEMP RANGE PIN- PACKAGE OUTPUT MAX6511UT_ _ _ -T -40 °C to +85°C6 SOT23-6 CMOS (active low) MAX6512UT_ _ _ -T -40 °C to +85°C6 SOT23-6 Open-drain -40 °C to +85°C 6 TDFN MAX6513_T_ _ _ -T -40 °C to +85°C6 SOT23-6 CMOS (active high) Typical Operating Circuit appears at end of data sheet. For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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