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1. Describe
The TPS3305-18DGN series is a series of micro power supplies The voltage supervisor is designed for circuit initialization. Its dual monitor topology is ideal for use in DSPs and processor-based systems, which typically require Two supply voltages, core and I/O. when the voltage is at either The SENSEn pin is below its threshold voltage VIT. When both SENSEn pins are again above their respective threshold voltages, RESET remains low Factory programmed delay time (200ms typical). RESET is also set if the watchdog input (WDI) Switching time does not exceed 1.6 seconds (typ.). TPS3305-xx devices offer 8-pin MSOP or SO package and specified for Operating temperature range from 40°C to +85°C.
2. Feature
1. Dual supervisory circuits for DSP and processor-based systems
2. Power-on reset generator with 200ms fixed delay time; no external capacitors required
3. Watchdog timer retriggers RESET output when SENSEn n ≥ VIT+
4. Temperature Compensated Voltage Reference
5. 40µA maximum supply current
6. Supply voltage range: 2.7V to 6V
7. Defined RESET output from VDD ≥ 1.1V
8. MSOP-8 and SO-8 packages
9. Temperature range: –40°C to +85°C
3. Application
1. Processor supply monitoring
2. Industrial equipment
3. Automotive systems
4. Portable/battery powered devices
5. Wireless communication system
6. Laptop/Desktop
4. Pin configuration
5. Pin Description
