TPS3809K33DBVRG4
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Texas Instruments TPS3809K33DBVRG4

Manufacturer No:
TPS3809K33DBVRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC SUPERVISOR 1 CHANNEL SOT23-3
Delivery:
Payment:
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Product Introduction

Overview

The TPS3809K33DBVRG4 is a 3-pin supply voltage supervisor from Texas Instruments, designed primarily for circuit initialization and timing supervision in DSPs and processor-based systems. This device is part of the TPS3809 family, which offers precision supply voltage monitoring for various voltage levels including 2.5 V, 3 V, 3.3 V, and 5 V. It is pin-for-pin compatible with the MAX 809 and features an internal timer to ensure proper system reset. The TPS3809K33DBVRG4 operates over a temperature range of –40°C to 85°C and is available in a 3-pin SOT-23 package.

Key Specifications

Parameter Value Unit
Supply Voltage (VDD) 2.5, 3, 3.3, 5 V
Supply Current (Iq) 9 μA
Operating Temperature Range –40 to 85 °C
Reset Threshold Accuracy 2.2 % %
Threshold Voltage (Typ) 2.25, 2.64, 2.93, 4.55 V
Time Delay (td) 200 ms
Output Driver Type / Reset Output Active-low, Push-pull
Package Type SOT-23 (DBV)
Maximum Low-Output Current (IOL) 5 mA
Maximum High-Output Current (IOH) –5 mA

Key Features

  • 3-pin SOT-23 package: Compact and widely used package format.
  • Low supply current: Typical supply current of 9 μA, making it suitable for power-sensitive applications.
  • Precision supply voltage monitor: Monitors supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V with high accuracy.
  • Pin-for-pin compatible with MAX 809: Easy to replace or upgrade existing designs.
  • Internal timer for reset delay: Ensures proper system reset with a delay time of 200 ms.
  • No external components required: Simplifies the design and reduces component count.
  • Wide operating temperature range: Operates from –40°C to 85°C, making it suitable for various environments.

Applications

  • Factory automation: Used in industrial control systems and automation equipment.
  • Wireless communication systems: Suitable for wireless speakers, routers, and other wireless devices.
  • Portable/battery-powered equipment: Ideal for devices that require low power consumption.
  • Programmable controls: Used in programmable logic controllers (PLCs) and other control systems.
  • Intelligent instruments: Found in smart meters, intelligent sensors, and other intelligent devices.
  • Industrial equipment: Used in various industrial applications including motor drives and servers.
  • Notebook/desktop computers: Can be used in computer systems for voltage supervision.
  • Automotive systems: Suitable for use in automotive electronics due to its wide temperature range.

Q & A

  1. What is the primary function of the TPS3809K33DBVRG4?

    The primary function is to provide circuit initialization and timing supervision, especially for DSPs and processor-based systems.

  2. What are the monitored supply voltages for the TPS3809K33DBVRG4?

    The device monitors supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V.

  3. What is the typical supply current of the TPS3809K33DBVRG4?

    The typical supply current is 9 μA.

  4. Is the TPS3809K33DBVRG4 pin-for-pin compatible with any other device?

    Yes, it is pin-for-pin compatible with the MAX 809.

  5. What is the operating temperature range of the TPS3809K33DBVRG4?

    The operating temperature range is from –40°C to 85°C.

  6. Does the TPS3809K33DBVRG4 require any external components for operation?

    No, it does not require any external components.

  7. What is the reset delay time of the TPS3809K33DBVRG4?

    The reset delay time is 200 ms.

  8. What type of output driver does the TPS3809K33DBVRG4 have?

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

  9. What is the package type of the TPS3809K33DBVRG4?

    The package type is SOT-23 (DBV).

  10. Is the TPS3809K33DBVRG4 RoHS compliant?

    Yes, it is RoHS compliant.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:2.93V
Output:Push-Pull, Totem Pole
Reset:Active Low
Reset Timeout:120ms Minimum
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23-3
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Similar Products

Part Number TPS3809K33DBVRG4 TPS3809K33DBVTG4
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1
Voltage - Threshold 2.93V 2.93V
Output Push-Pull, Totem Pole Push-Pull, Totem Pole
Reset Active Low Active Low
Reset Timeout 120ms Minimum 120ms Minimum
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3 SOT-23-3

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