AQ200
3ºC Accurate with Hysteresis 120ºC Thermostat
SOT23, TO-92, PSOT23-6, SC70 Packages Product Specification Revision 1.7 November 08, 2006
General Description
The AQ200 is a simple three terminal precision low power thermostat. The temperature trip point of 120ºC is preset at the factory. The thermal hysteresis is internally programmed to 10ºC. Contact sales@acutechnology.com for other trip points. The AQ200 is used to protect systems from overheating above the normal rating of components like capacitors or any other temperature sensitive component. The output OT is an open drain output that can drain up to 50mA when the threshold temperature is reached. The minimum voltage of operation is 2V. The AQ200 is offered in the thermally enhanced PSOT23-6 in order to guarantee very low thermal impedance between the heat source and the chip itself. For applications with stringent space requirements ultra small SC70 package is offered. For applications where the thermal resistance is not critical the AQ200 can be used in the more common packages SOT23-3 or TO92.
Applications • • • • • • • • • • • •
Electronic System protection Fan Control Microprocessor Thermal Management HVAC Systems
Features
+/-3 degrees Celsius accuracy Thermally enhanced SOT23-6 package Open-drain output capable of 50mA Internally programmed thermal hysteresis Low input voltage and current Excellent power supply noise rejection Offered in ultra small SC70-5 package. RoHS compliant
Block Diagram
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AQ200
Acutechnology Semiconductor Inc.
AQ200
Pin Configuration
Pin Descriptions
Pin Name VCC OT GND Function V supply. Must be greater than 2V for normal operation. Normally Open Drain, Vsat when thermal threshold is reached. Ground and Substrate, connected to the back side of the die through lead frame.
Ordering Information
Device AQ200 AQ200 AQ200 AQ200 AQ200
Operating Tj -55º C ≤ 150º C -55º C ≤ 150º C -55º C ≤ 150º C -55º C ≤ 150º C -55º C ≤ 150º C
TTHRESH 120º C 120º C 120º C 120º C 120º C
Tolerance ± 3º C ± 3º C ± 3º C ± 3º C
PKG Type TO-92-3 TO-92-3 SOT-23-3 PSOT-23-6 SC70-5
Wrap Bulk T&R T&R T&R T&R
Ordering Number AQ200GY-N3-12-BUL AQ200GY-N3-12-TRL AQ200GY-M3-12-TRL AQ200GY-M7-12-TRL AQ200GY-C5-12-TRL
± 3º C Note: The TRL parts are Lead Free and RoHS compliant.
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2
Rev. 1.7 November 08, 2006
Acutechnology Semiconductor Inc.
AQ200
Absolute Maximum Ratings
Stress greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These stress ratings only, and functional operation of the device at these or any conditions beyond those indicated under recommended Operating Conditions is not implied. Exposure to “Absolute Maximum Rating” for extended periods may affect device reliability. Use of standard ESD handling precautions is required. Parameter VIN Voltage VOT Voltage IOT Current Operating Junction Temperature Lead Temperature (soldering 10 seconds) Storage Temperature Range Value 18 18 80 155 260 -65 to +150 Units V V mA ºC ºC ºC
Electrical Specifications
Electrical characteristics are guaranteed over the full temperature range -55ºC
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