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Datasheet MAX6511, MAX6512, MAX6513 (Maxim)

ПроизводительMaxim
ОписаниеLow-Cost, Remote SOT Temperature Switches
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Low-Cost, Remote SOT Temperature Switches. MAX6511/MAX6512/MAX6513. General Description. Features

Datasheet MAX6511, MAX6512, MAX6513 Maxim

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Текстовая версия документа

19-1819; Rev 2; 10/04
Low-Cost, Remote SOT Temperature Switches MAX6511/MAX6512/MAX6513 General Description Features
The MAX6511/MAX6512/MAX6513 are fully integrated, ♦
Continuously Measure External Junction
remote temperature switches that use an external P-N
Temperature
junction (typically a diode-connected transistor) as the ♦ sensing element to measure the remote temperature.
Factory-Programmed Temperature Threshold from
These devices assert a logic signal when the tempera-
+45°C to +125°C in 10°C Increments
ture crosses a factory-programmed threshold. Available ♦
Insensitive to Series Parasitic Resistance
trip thresholds are from +45°C to +125°C in 10°C incre- ♦
Active-Low CMOS Output (MAX6511) or Open-Drain
ments. Accuracy is within ±3°C (TA = -5°C to +55°C) or
Output for Overtemperature Alarm (MAX6512) or
±5°C (TA = -40°C to +85°C). Hysteresis is pin selec-
Active-High Output (MAX6513) for Direct Fan Control
table to 5°C or 10°C. ♦
<100ms Response Time
The MAX6511 has an active-low CMOS output and the MAX6513 has an active-high CMOS output. The ♦
Accuracy
MAX6512 has an open-drain output. The output is
±3°C (TREMOTE = +45°C to +125°C, TA = -5°C to +55°C)
asserted when the temperature exceeds the threshold
±5°C (TREMOTE = +45°C to +125°C, TA = -40°C to +85°C)
value. The active-low open-drain output is intended to ♦
Pin-Selectable 5°C or 10°C Hysteresis
interface with a microprocessor (µP) reset or interrupt input. The active-high CMOS output can directly drive a ♦
400µA Average Current Consumption
power FET to control a cooling fan. ♦
+3.0V to +5.5V Supply Range
The MAX6511/MAX6512/MAX6513 operate from a ♦
6-Pin SOT23 Package
+3.0V to +5.5V supply and typically consume 400µA of ♦
6-Pin TDFN Package (Lead Free)
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 Ordering Information
CPU Temperature Monitoring in High-Speed
PIN-
Computers
PART* TEMP RANGE OUTPUT PACKAGE
Multichip Modules CMOS
M AX6 511
UT_ _ _ -T -40°C to +85°C 6 SOT23-6 Battery Packs (active low) Temperature Control
M AX6 512
UT_ _ _ -T -40°C to +85°C 6 SOT23-6 Open-drain Temperature Alarms -40°C to +85°C 6 TDFN CMOS
M AX6 513
_T_ _ _ -T Fan Control -40°C to +85°C 6 SOT23-6 (active high) *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
Pin Configuration
from the device marking codes table. For example, the MAX6511UT065-T describes a MAX6511 in a 6-pin SOT23 TOP VIEW package with a +65°C threshold. VDD 1 6 DXP MAX6511 GND 2 5 DXN MAX6512 MAX6513 HYST 3 4 TOVER (TOVER) ( ) ARE FOR MAX6513 SOT23 ONLY.
Typical Operating Circuit appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1 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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