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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* | 数据表 | Triple Processor Supervisors 数据表 (Rev. C) | 2006年 12月 1日 | |||
应用简报 | 工厂自动化和控制应用的电压和处理器监控解决方案 (Rev. A) | PDF | HTML | 英语版 (Rev.A) | 2021年 8月 30日 | ||
选择指南 | Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) | 2020年 2月 28日 | ||||
选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
选择指南 | 电源管理指南 2018 (Rev. R) | 2018年 6月 25日 | ||||
更多文献资料 | CAN Quick Start Guide | 2004年 2月 10日 | ||||
用户指南 | CAN Software Installation Guide | 2004年 2月 10日 | ||||
用户指南 | CAN Software User's Guide | 2004年 2月 10日 |
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SOIC (D) | 8 | Ultra Librarian |
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