TPS3809K33 - 3 引脚电源监控器

TPS3809K33是TI德州仪器公司的一款无产品，TPS3809K33是3 引脚电源监控器，本站介绍了TPS3809K33的封装应用图解、特点和优点、功能等，并给出了与TPS3809K33相关的TI元器件型号供参考。

TPS3809K33 - 3 引脚电源监控器 - 无 - 监控器和复位IC - 德州仪器

产品描述

The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems.

During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td(typ) = 200 ms, starts after VDD has risen above the threshold voltage VIT. When the supply voltage drops below the threshold voltage VIT, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed sense-threshold voltage VIT set by an internal voltage divider.

The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a 3-pin SOT-23. The TPS3809 devices are characterized for operation over a temperature range of –40°C to 85°C.

产品特性

3-Pin SOT-23 Package
Supply Current of 9 7micro;A (Typical)
Precision Supply Voltage Monitor2.5 V, 3 V, 3.3 V, 5 V
Pin-For-Pin Compatible With MAX 809
Temperature Range: –40°C to +85°C

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