• TPS54331DR SOIC (D)-8
TPS54331DR SOIC (D)-8

TPS54331DR

A Voltage Regulator

Quantity Unit Price(USD) Ext. Price
5 $0.255 $1.28
50 $0.200 $10.00
150 $0.174 $26.10
500 $0.150 $75.00
2500 $0.145 $362.50
5000 $0.142 $710.00

Inventory:5,946

*The price is for reference only.
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  • Part Number : TPS54331DR

  • Package/Case : SOIC (D)-8

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : TPS54331DR DataSheet (PDF)

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Overview of TPS54331DR

The TPS54331DR is a synchronous step-down DC-DC converter IC that provides high efficiency and accurate output voltage regulation. It is designed for use in various power supply applications where a compact and efficient voltage conversion is required.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input Voltage
  • SW: Switch Node
  • GND: Ground
  • FB: Feedback Pin
  • EN: Enable Pin
  • PWRGD: Power Good Output
  • SS/TR: Soft Start/Tracking
  • COMP: Compensation Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS54331DR IC for a visual representation.

Key Features

  • Synchronous Step-Down Converter: The TPS54331DR features a synchronous architecture for improved efficiency and thermal performance.
  • Wide Input Voltage Range: Operates with input voltages ranging from 4.5V to 28V, suitable for various power supply designs.
  • Adjustable Output Voltage: Allows for precise output voltage regulation through the feedback pin.
  • Integrated FETs: Includes integrated power MOSFETs for reduced external component count and simplified design.
  • Power Good Output: Provides a power good signal to indicate output voltage regulation status.

Note: For detailed technical specifications, please refer to the TPS54331DR datasheet.

Application

  • Power Supply Modules: Ideal for use in power supply modules for applications such as industrial equipment, consumer electronics, and telecommunications.
  • Embedded Systems: Suitable for providing power conversion in embedded systems, microcontrollers, and FPGA applications.
  • Battery-Powered Devices: Can be used in battery-powered devices requiring efficient voltage regulation and power management.

Functionality

The TPS54331DR is a high-performance DC-DC converter that efficiently converts input voltage to a regulated output voltage. It offers reliability and flexibility in various power supply applications.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Output Voltage Adjustment: Use the feedback pin (FB) to adjust the output voltage to the desired level.
  • Enable Control: Control the operation of the IC by applying logic high or low to the EN pin.

Frequently Asked Questions

Q: Is the TPS54331DR suitable for high-power applications?
A: The TPS54331DR is designed for applications requiring moderate power levels. For high-power applications, consider using ICs specifically rated for higher power dissipation.

Q: What is the efficiency rating of the TPS54331DR?
A: The TPS54331DR offers high efficiency levels, typically above 90% under typical operating conditions.

Equivalent

For similar functionalities, consider these alternatives to the TPS54331DR:

  • LM2678: A step-down switching regulator IC offering similar performance and voltage regulation capabilities.
  • MP2307: This synchronous buck converter provides efficient voltage conversion in a compact package, suitable for similar applications as the TPS54331DR.

TPS54331DR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V) 3.5 Vin (max) (V) 28
Vout (min) (V) 0.8 Vout (max) (V) 25
Iout (max) (A) 3 Iq (typ) (mA) 0.11
Switching frequency (min) (kHz) 570 Switching frequency (max) (kHz) 570
Features Enable, Light Load Efficiency, Soft Start Adjustable, UVLO adjustable Operating temperature range (°C) -40 to 150
Rating Catalog Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 90
Type Converter

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