TPS3809K33DBVT
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Texas Instruments TPS3809K33DBVT

Manufacturer No:
TPS3809K33DBVT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC SUPERVISOR 1 CHANNEL SOT23-3
Delivery:
Payment:
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Product Introduction

Overview

The TPS3809K33DBVT is a 3-pin supply voltage supervisor from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSPs and processor-based systems. This device is part of the TPS3809 family and is available in a 3-pin SOT-23 package. It is characterized by its precision supply voltage monitoring capabilities for various voltage levels, including 2.5 V, 3 V, 3.3 V, and 5 V. The TPS3809K33DBVT is specifically set for a 3.3 V nominal supply voltage with a threshold voltage of 2.93 V. The device ensures proper system reset through an internal timer and does not require any external components for operation.

Key Specifications

Parameter Value Unit
Package SOT-23 (DBV)
Body Size 2.90 mm × 1.60 mm
Supply Voltage (VDD) 2 to 6 V
Threshold Voltage (VIT) 2.87 to 2.99 V
Supply Current (IDD) 9 to 25 μA
Operating Temperature Range –40°C to +85°C
Delay Time (td) 120 to 280 ms
Low-Level Output Voltage (VOL) 0.3 to 0.4 V
High-Level Output Voltage (VOH) VDD – 0.2 to VDD – 0.4 V

Key Features

  • Precision supply voltage monitoring for 3.3 V with a fixed sense-threshold voltage.
  • 3-pin SOT-23 package for compact design.
  • Low supply current of 9 μA (typical).
  • Internal timer for ensuring proper system reset.
  • No external components required for operation.
  • Pin-for-pin compatible with MAX 809.
  • Operating temperature range of –40°C to +85°C.

Applications

  • Factory automation.
  • Wireless speakers.
  • Motor drives.
  • Servers.
  • Appliances.
  • Electricity meters.
  • Building automation.

Q & A

  1. What is the primary function of the TPS3809K33DBVT?

    The primary function is to provide circuit initialization and timing supervision for DSPs and processor-based systems by monitoring the supply voltage and ensuring proper system reset.

  2. What is the package type and size of the TPS3809K33DBVT?

    The device is packaged in a 3-pin SOT-23 package with a body size of 2.90 mm × 1.60 mm.

  3. What is the threshold voltage for the TPS3809K33DBVT?

    The threshold voltage is 2.93 V for the TPS3809K33DBVT.

  4. What is the typical supply current of the TPS3809K33DBVT?

    The typical supply current is 9 μA.

  5. Does the TPS3809K33DBVT require any external components for operation?

    No, the device does not require any external components for operation.

  6. What is the operating temperature range of the TPS3809K33DBVT?

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

  7. What is the delay time (td) for the TPS3809K33DBVT?

    The delay time ranges from 120 to 280 ms.

  8. Is the TPS3809K33DBVT pin-for-pin compatible with other devices?

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

  9. What are some common applications for the TPS3809K33DBVT?

    Common applications include factory automation, wireless speakers, motor drives, servers, appliances, electricity meters, and building automation.

  10. Is the TPS3809K33DBVT still in production?

    No, the TPS3809K33DBVT is obsolete and has been discontinued by Texas Instruments.

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 TPS3809K33DBVT TPS3809K33DBVR
Manufacturer Texas Instruments Texas Instruments
Product Status Active Active
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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