• TPS543B20RVFR LQFNCLIP-40
TPS543B20RVFR LQFNCLIP-40

TPS543B20RVFR

Conv DC-DC 4V to 25V Synchronous Step Down Single-Out 0.6V to 5.5V 25A 40-Pin LQFN-CLIP EP T/R

Quantity Unit Price(USD) Ext. Price
1 $5.981 $5.98
10 $5.247 $52.47
30 $4.799 $143.97
100 $4.424 $442.40

Inventory:4,725

*The price is for reference only.
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Overview of TPS543B20RVFR

The TPS543B20RVFR is a synchronous buck converter IC featuring an integrated high-performance controller and power MOSFETs. It is designed to provide efficient power conversion for a wide range of applications, offering high efficiency and low standby power consumption.

Pinout

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

  • VIN: Input Voltage
  • GND: Ground Connection
  • SW: Switching Node
  • VOUT: Output Voltage
  • FB: Feedback Pin
  • EN: Enable Pin
  • PGND: Power Ground
  • SS/TR: Soft-Start/Tracking
  • COMP: Compensation Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS543B20RVFR IC for a visual representation.

Key Features

  • Synchronous Buck Converter: Provides efficient power conversion through synchronous rectification.
  • Integrated Controller and MOSFETs: Features an integrated controller and power MOSFETs for compact and reliable operation.
  • Wide Input Voltage Range: Operates with a wide input voltage range, making it suitable for various power supply applications.
  • High Efficiency: Offers high conversion efficiency to minimize power loss and maximize energy savings.
  • Low Standby Power: Includes low standby power consumption for energy-efficient standby operation.

Note: For detailed technical specifications, please refer to the TPS543B20RVFR datasheet.

Application

  • Power Supply: Ideal for power supply applications requiring efficient voltage conversion.
  • DC-DC Conversion: Suitable for DC-DC conversion in power management systems and portable devices.
  • Embedded Systems: Used in embedded systems for regulated power delivery and energy efficiency.

Functionality

The TPS543B20RVFR is a synchronous buck converter IC that efficiently converts input voltage to a regulated output voltage, providing reliable power conversion for various electronic devices.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source.
  • Output Voltage: Connect VOUT (Pin 4) to the load for regulated output voltage supply.
  • Enable Control: Use the EN (Pin 5) pin to enable or disable the converter as needed.

Frequently Asked Questions

Q: What is the efficiency of the TPS543B20RVFR?
A: The TPS543B20RVFR offers high efficiency levels, typically over 90%, ensuring efficient power conversion.

Q: Is the TPS543B20RVFR suitable for automotive applications?
A: Yes, the TPS543B20RVFR is designed to meet automotive requirements and can be used in automotive power supply systems.

Equivalent

For similar functionalities, consider these alternatives to the TPS543B20RVFR:

  • TPS543C20RVFR: A variant of the TPS543 series with enhanced features and performance for specific applications.
  • LMR23620RVFR: This synchronous buck converter IC from Texas Instruments offers similar functionality and efficiency characteristics.

TPS543B20RVFR

Specifications

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

Vin (min) (V) 4 Vin (max) (V) 19
Vout (min) (V) 0.6 Vout (max) (V) 5.5
Iout (max) (A) 25 Iq (typ) (mA) 4.3
Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 2000
Features Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, Over Current Protection, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode ACM/AECM Duty cycle (max) (%) 70
Type Converter

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Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

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TPS543B20RVFR

Conv DC-DC 4V to 25V Synchronous Step Down Single-Out 0.6V to 5.5V 25A 40-Pin LQFN-CLIP EP T/R

Inventory:

4,725