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Operating temperature range of -40 to 125°C

Quantity Unit Price(USD) Ext. Price
5 $0.279 $1.40
50 $0.223 $11.15
150 $0.199 $29.85
500 $0.167 $83.50
2500 $0.154 $385.00
4000 $0.147 $588.00


*The price is for reference only.
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Overview of TPS563231DRLR

The TPS563231DRLR is a 3-A synchronous step-down converter with integrated FETs.It provides an efficient and compact solution for voltage regulation in various power supply designs.


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

  • PH: Power Input
  • EN: Enable Pin
  • FB: Feedback Pin
  • AGND: Analog Ground
  • PGND: Power Ground
  • SW: Switching Node
  • ILIM: Current Limit
  • SS/TR: Soft Start/Tracking
  • PGOOD: Power Good Indicator

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS563231DRLR for a visual representation.

Key Features

  • 3-A Synchronous Step-Down Converter: Provides efficient voltage regulation for various applications.
  • Integrated FETs: Built-in FETs simplify the design and reduce external component count.
  • Wide Operating Voltage Range: Operates from 4.5V to 17V input voltage, suitable for diverse power supply setups.
  • High Efficiency: Offers high conversion efficiency to minimize power losses in the system.
  • Adjustable Soft Start: Allows customization of startup behavior for different applications.
  • Thermal Shutdown Protection: Includes thermal shutdown feature for added device protection.

Note: For detailed technical specifications, please refer to the TPS563231DRLR datasheet.


  • Power Supply Designs: Ideal for use in power supplies in various electronic systems.
  • Embedded Systems: Suitable for voltage regulation in embedded systems and microcontroller applications.
  • Industrial Automation: Used in industrial automation setups requiring stable power sources.


The TPS563231DRLR is a synchronous step-down converter that efficiently regulates voltage for reliable power supply operation. It is designed to deliver consistent performance in diverse applications.

Usage Guide

  • Power Input: Connect the PH pin to the power source for input voltage.
  • Enable Pin: Use the EN pin to enable or disable the converter as needed.
  • Feedback Mechanism: Connect the FB pin for feedback control and voltage regulation.

Frequently Asked Questions

Q: Can the TPS563231DRLR handle high input voltages?
A: The TPS563231DRLR is designed to operate with input voltages from 4.5V to 17V, ensuring compatibility with a range of power sources.

Q: Does the TPS563231DRLR offer overcurrent protection?
A: Yes, the TPS563231DRLR includes current limit functionality to protect against overcurrent conditions.


For similar functionalities, consider these alternatives to the TPS563231DRLR:

  • LM2678: A synchronous step-down converter IC offering comparable performance and features.
  • ADP2360: This integrated converter provides efficient voltage regulation similar to the TPS563231DRLR.


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

Vin (min) (V) 4.5 Vin (max) (V) 17
Vout (min) (V) 0.6 Vout (max) (V) 7
Iout (max) (A) 3 Iq (typ) (mA) 0.22
Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 600
Features Enable, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode D-CAP3 Duty cycle (max) (%) 87
Type Converter

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