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TPS3808G12-Q1

Texas Instruments
Part Number TPS3808G12-Q1
Manufacturer Texas Instruments
Description Low-Quiescent-Current Programmable-Delay Supervisory Circuit
Published Sep 25, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3808G01-Q1, TPS3808G12-Q1, ...
Datasheet PDF File TPS3808G12-Q1 PDF File

TPS3808G12-Q1
TPS3808G12-Q1

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3808G01-Q1, TPS3808G12-Q1, TPS3808G125-Q1, TPS3808G15-Q1 TPS3808G18-Q1, TPS3808G30-Q1, TPS3808G33-Q1, TPS3808G50-Q1 SBVS085I – JANUARY 2007 – REVISED JUNE 2015 TPS3808Gxx-Q1 Low-Quiescent-Current Programmable-Delay Supervisory Circuit 1 Features •1 Qualified for Automotive Applications • Power-On Reset Generator With Adjustable Delay Time: 1.
25 ms to 10 s • Very Low Quiescent Current: 2.
4 μA Typical • High Threshold Accuracy: 0.
5% Typical • Fixed Threshold Voltages for Standard Voltage Rails From 1.
2 V to 5 V and Adjustable Voltage Down to 0.
4 V Are Available • Manual Reset (MR) Input • Open-Drain RESET Output • Temperature Range: –40°C to 125°C • Small SOT-23 Package 2 Applications • DSP or Microcontroller Applications • FPGA and ASIC Applications • Automotive Vision • Automotive Radar 3 Description The TPS3808Gxx-Q1 microprocessor supervisory circuits monitor system voltages from 0.
4 V to 5 V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low.
The RESET output remains low for the useradjustable delay time after the SENSE voltage and MR return above their thresholds.
The TPS3808Gxx-Q1 device uses a precision reference to achieve 0.
5% threshold accuracy for VIT ≤ 3.
3 V.
The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a resistor, or can be useradjusted from 1.
25 ms to 10 s by connecting the CT pin to an external capacitor.
The TPS3808Gxx-Q1 has a very low typical quiescent current of 2.
4 μA, so it is well suited for battery-powered applications.
The device is available in a small SOT-23 package and is fully specified over a temperature range of –40°C to 125°C (TJ).
For more information about TI's voltage supervisor portfolio, visit the Supervisor and Reset IC Overview Page page.
Device Information(1) PART NUMBER...


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