TPS3307
- Triple Supervisory Circuits for DSP and Processor-Based Systems
- Power-On Reset Generator With Fixed Delay Time of 200ms, No External Capacitor Needed
- Temperature-Compensated Voltage Reference
- Maximum Supply Current of 40µA
- Supply Voltage Range: 2V to 6V
- Defined RESET Output From VDD ≥ 1.1V
- MSOP-8 and SO-8 Packages
- Temperature Rang: -40°C to +85°C
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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: 3.3V/1.8V/adj, 3.3V/2.5V/adj or 3.3V/5V/adj. The adjustable SENSE input allows the monitoring of any supply voltage >1.25V.
The various supply voltage supervisors are designed to monitor the nominal supply voltage.
During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1V. Thereafter, the supply voltage supervisor monitors the SENSEn inputs and keeps RESET active as long as SENSEn remain below the threshold voltage VIT+.
An internal timer delays the return of the RESET output to the inactive state (high) to ensure proper system reset. The delay time, td (typ) = 200ms, starts after all SENSEn inputs have risen above the threshold voltage VIT+. When the voltage at any SENSE input drops below the threshold voltage VIT-, the RESET output becomes active (low) again.
The TPS3307-xx family of devices incorporates a manual reset input, MR. A low level at MR causes RESET to become active. In addition to the active-low RESET output, the TPS3307-xx family includes an active-high RESET output.
The devices are available in either 8-pin MSOP or standard 8-pin SO packages.
The TPS3307-xx devices are characterized for operation over a temperature range of -40°C to +85°C.
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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | Triple Processor Supervisors datasheet (Rev. C) | 2006年 12月 1日 | |
Application note | Voltage and Processor Monitoring Solutions in Factory Automation and Control App (Rev. A) | 2021年 8月 5日 | ||
Selection guide | Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) | 2020年 2月 28日 | ||
E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019年 6月 28日 | ||
Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
More literature | CAN Quick Start Guide | 2004年 2月 10日 | ||
User guide | CAN Software Installation Guide | 2004年 2月 10日 | ||
User guide | CAN Software User's Guide | 2004年 2月 10日 |
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