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| AQ201 3C Accurate with Hysteresis 115C Thermostat SOT23, TO-92, PSOT23-6, SC70 Packages Product Specification Revision 1.3 November 08, 2006 General Description The AQ201 is a simple three terminal precision low power thermostat. The temperature trip point of 115C is preset at the factory. The thermal hysteresis is internally programmed to 10C. Contact sales@acutechnology.com for other trip points. The AQ201 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 AQ201 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 AQ201 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 www.acutechnology.com AQ201 Acutechnology Semiconductor Inc. AQ201 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 backside of the die through lead frame. Ordering Information Device AQ201 AQ201 AQ201 AQ201 AQ201 Operating Tj -55 C 150 C -55 C 150 C -55 C 150 C -55 C 150 C -55 C 150 C TTHRESH 115 C 115 C 115 C 115 C 115 C Tolerance 3 C 3 C 3 C 3 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 AQ201GY-N3-12-BUL AQ201GY-N3-12-TRL AQ201GY-M3-12-TRL AQ201GY-M7-12-TRL AQ201GY-C5-12-TRL 3 C Note: The TRL parts are Lead Free and RoHS compliant. www.acutechnology.com 2 Rev. 1.3 November 08, 2006 Acutechnology Semiconductor Inc. AQ201 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 C C C Electrical Specifications Electrical characteristics are guaranteed over the full temperature range -55C 3 Rev. 1.3 November 08, 2006 Acutechnology Semiconductor Inc. AQ201 Package Dimensions SOT23-3, SOT23-4, SOT23-5, SOT23-6 www.acutechnology.com 4 Rev. 1.3 November 08, 2006 Acutechnology Semiconductor Inc. AQ201 Package Dimensions TO92-2, TO92-3 www.acutechnology.com 5 Rev. 1.3 November 08, 2006 Acutechnology Semiconductor Inc. AQ201 Package Dimensions SC70-3, SC70-4, SC70-5, SC70-6 Contact Information Acutechnology Semiconductor Inc. 3487 McKee Rd. Suite 52 San Jose CA , USA 95127 Disclaimer The information furnished by Acutechnology in this data sheet is believed to be accurate and reliable. However, Acutechnology assumes no responsibility for its use. Acutechnology reserves the right to change circuitry and specifications at any time without notification to the customer. TEL: (408) 259-2300 FAX: (408) 259-9160 website: www.acutechnology.com Life Support Policy Acutechnology Products are not designed or authorized for use as components in life support devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. www.acutechnology.com 6 Rev. 1.3 November 08, 2006 |
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