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TPS3809I50DBVR The Texas Instruments TPS3809I50DBVR is a 3-pin voltage supervisor IC designed for circuit initialization and timing supervision. It features an active-low, push-pull reset output.
Mfr Part #:

TPS3809I50DBVR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS3809I50DBVR is a 3-pin voltage supervisor IC designed for circuit initialization and timing supervision. It features an active-low, push-pull reset output.
✓ Total Stock: 565,482 pcs
$ Price Range: $0.23

TPS3809I50DBVR Available from 4 distributors

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Romaks Technologies ✓
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516,571 pcs
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516571 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
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46,000 pcs
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46000 pcs On Request 1 On Request On Request 18+ On Request On Request
Xingangxin ✓
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2,645 pcs
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2645 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
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266 pcs
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266 pcs On Request 1 On Request On Request 23+ On Request On Request
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TPS3809I50DBVR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supplier Package
Type
Voltage
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TPS3809I50DBVR Description

Short technical summary and product information.

The Texas Instruments TPS3809I50DBVR is a 3-pin voltage supervisor IC that provides essential circuit initialization and timing supervision, particularly for processor-based systems. This device monitors a single supply voltage and asserts an active-low, push-pull reset signal when the voltage drops below a specified threshold.

 

The TPS3809I50DBVR offers a threshold voltage of 4.55V and includes a minimum reset timeout of 120ms to ensure proper system reset. It operates within a temperature range of -40°C to 85°C and is available in a compact SOT-23-3 package, suitable for surface mount applications.

 

This supervisor IC is designed for ease of use and is pin-for-pin compatible with the MAX 809. Its low supply current makes it suitable for power-sensitive applications. The device is ideal for applications requiring reliable power-on reset and undervoltage monitoring.

TPS3809I50DBVR Quick Information

Product Type: Voltage Supervisor
Series: TPS3809
Canonical Name: Texas Instruments TPS3809I50DBVR 3-Pin Supply Voltage Supervisor
Subcategory: Reset & Watchdog ICs

TPS3809I50DBVR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS3809I50DBVR Estimated Pricing

Qty Low High
1+ $0.23 $0.23

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS3809I50DBVR Features

  • Monitors a single supply voltage.
  • Provides active-low, push-pull reset.
  • Features a 4.55V threshold voltage.
  • Includes 120ms minimum reset timeout.
  • Available in SOT-23-3 package.

TPS3809I50DBVR Applications

  • Ideal for processor-based systems.
  • Used for circuit initialization.
  • Suitable for timing supervision.
  • Ensures reliable power-on reset.
  • Applicable in power-sensitive designs.

TPS3809I50DBVR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type for the TPS3809I50DBVR?

The TPS3809I50DBVR is available in a SOT-23-3 surface-mount package.

What is the operating temperature range?

The device operates over -40°C to 85°C.

What are the available threshold voltage options?

The TPS3809I50DBVR has typical threshold voltage options of 2.25V, 2.64V, 2.93V, and 4.55V.

What type of reset output does this device have?

The reset output is active-low, push-pull.

What is the reset timeout?

The reset timeout is a minimum of 120ms.

Does this supervisor have a watchdog timer?

No, this device does not include a watchdog timer.

What is the typical supply current?

The typical supply current is 0.00022mA in low-power mode and 0.009mA in normal operation.

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