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The TPS3307 family is a series of micropower supply voltage supervisors designed for circuit initialization primarily in DSP and processor-based systems, which require more than one supply voltage. The product spectrum of the TPS3307-xx is designed for monitoring three independent supply voltages: 3.3 V/1.8 V/adj, 3.3 V/2.5 V/adj or 3.3 V/5 V/adj. The adjustable SENSE input allows the monitoring of any supply voltage >1.25 V.
The various supply voltage supervisors are designed to monitor the nominal supply voltage as shown in the following supply voltage monitoring table.
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to GND. For reliable operation the device must not be operated at 7 V for more han t = 1000 h continuously.
TPS3307-25 Features
` Triple Supervisory Circuits for DSP and Processor-Based Systems ` Power-On Reset Generator with Fixed Delay Time of 200 ms, No External Capacitor Needed ` Temperature-Compensated Voltage Reference ` Maximum Supply Current of 40 mA ` Supply Voltage Range . . . 2 V to 6 V ` Defined RESET Output from VDD . 1.1 V ` MSOP-8 and SO-8 Packages `Temperature Range . . . 40°C to 85°C
TPS3307-25 Typical Application
• Applications using DSPs, Microcontrollers or Microprocessors • Industrial Equipment • Programmable Controls • Automotive Systems • Portable/Battery Powered Equipment • Intelligent Instruments • Wireless Communication Systems • Notebook/Desktop Computers