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TPS3820-33DBVT

Supervisor MPU 1.1V-5.5V Supply, 2.93V Threshold, 25ms Delay, Active-Low, SOT-23-5

TEXAS INSTRUMENTS TPS3820-33DBVT
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Manufacturer Part No:
TPS3820-33DBVT
Order Code:
3008828

Product Overview

The TPS3820-33DBVT is a Processor Supervisory Circuit that provides circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power-on, RESET asserts when the supply voltage VDD becomes higher than 1.1V. Thereafter, the supply voltage supervisor 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 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. The supervisory circuit has a fixed-sense threshold voltage, VIT-, set by an internal voltage divider. It incorporates a manual reset input, MR. A low level at MR causes RESET to become active.
  • Power-on reset generator with fixed delay time of 25ms
  • Manual reset input
  • Reset output available in active-low
  • Supply voltage supervision range (2.5, 3, 3.3, 5V)
  • Watchdog timer
  • 15µA Typical supply current
  • Green product and no Sb/Br

Applications

Signal Processing, Industrial, Automation & Process Control, Automotive, Portable Devices, Power Management, Wireless, Communications & Networking, Computers & Computer Peripherals

Warnings

This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

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:
2.93V

:
1Monitors

:
1.1V

:
5.5V

:
Active-Low

:
SOT-23

:
5Pins

:
25ms

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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