TPS3820-50 - 处理器监控电路

TPS3820-50是TI德州仪器公司的一款无产品，TPS3820-50是处理器监控电路，本站介绍了TPS3820-50的封装应用图解、特点和优点、功能等，并给出了与TPS3820-50相关的TI元器件型号供参考。

TPS3820-50 - 处理器监控电路 - 无 - 监控器和复位IC - 德州仪器

产品特性

Power-On Reset Generator With Fixed Delay Time of 200 ms (TPS3823/4/5/8) or 25 ms (TPS3820)
Manual Reset Input (TPS3820/3/5/8)
Reset Output Available in Active-Low (TPS3820/3/4/5), Active-High (TPS3824/5), and Open Drain (TPS3828)
Supply Voltage Supervision Range: 2.5 V, 3 V, 3.3 V, 5 V
Watchdog Timer (TPS3820/3/4/8)
Supply Current of 15 μA (Typical)
5-Pin SOT-23 Package
Temperature Range: −40°C to 85°C

产品应用

DSPs, Microcontrollers, or Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Portable and Battery-Powered Equipment
Intelligent Instruments
Wireless Communications Systems
Notebook and Desktop Computers

产品说明

The TPS382x family of supervisors provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power on, RESET asserts when the supply voltage VDD becomes greater than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active low as long as VDD remains less than 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, starts after VDD has risen above the threshold voltage (VIT− + VHYS). 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 TPS382x family also offers watchdog time out options of 200 ms (TPS3820) and 1.6 s (TPS3823/4/8).

Device Information(1)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS382x	SOT-23 (5)	2.90 mm × 1.60 mm

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