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TPS544B20RVFT

Conv DC-DC 4.5V to 18V Synchronous Step Down Single-Out 0.6V to 5.5V 20A 40-Pin LQFN-CLIP EP T/R

Inventory:3,393

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Submit your quote request for TPS544B20RVFT using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of TPS544B20RVFT

The TPS544B20RVFT is a synchronous step-down DC-DC converter IC designed for high-efficiency power conversion applications. It features a wide input voltage range and is capable of delivering high currents with minimal heat dissipation.

Pinout

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

  • VIN: Input voltage
  • SW: Switching node
  • PGND: Power ground
  • BOOT: Bootstrap capacitor connection
  • COMP: Compensation node for control loop
  • SS/TRK: Soft start/tracking input
  • FB: Feedback input
  • PGOOD: Power good indicator output
  • EN: Enable pin
  • MODE: Mode selection pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS544B20RVFT IC for a visual representation.

Key Features

  • High Efficiency: The TPS544B20RVFT offers high efficiency over a wide load range, minimizing power loss.
  • Wide Input Voltage Range: Supports input voltages from 4.5V to 18V, suitable for a variety of power supply designs.
  • Adjustable Output Voltage: Provides flexibility in output voltage settings via external resistors.
  • Integrated MOSFETs: Includes integrated high-side and low-side MOSFETs for simplified design and compact layout.
  • Current Mode Control: Utilizes current mode control for fast transient response and stable operation.

Note: For detailed technical specifications, please refer to the TPS544B20RVFT datasheet.

Application

  • Point-of-Load Power Supplies: Ideal for generating low-voltage outputs from a higher voltage input in distributed power systems.
  • Telecommunications Equipment: Suitable for powering telecommunications infrastructure and networking equipment.
  • Industrial Power Supplies: Used in industrial control systems and automation applications requiring efficient power conversion.

Functionality

The TPS544B20RVFT is a synchronous step-down DC-DC converter IC that efficiently converts input voltage to a lower regulated output voltage. It is designed for high-performance power supply applications where efficiency and compact size are crucial.

Usage Guide

  • Power Supply: Connect VIN (Pin 1) to the input voltage source and PGND (Pin 3) to power ground.
  • Output Voltage: Adjust the output voltage using external components connected to FB (Pin 7) and COMP (Pin 5).
  • Enable Control: Use the EN (Pin 8) pin to enable or disable the converter as needed.

Frequently Asked Questions

Q: What is the efficiency of the TPS544B20RVFT?
A: The TPS544B20RVFT offers high efficiency up to 95% under typical operating conditions.

Q: Can the TPS544B20RVFT operate with a single input voltage?
A: Yes, the TPS544B20RVFT supports input voltages from 4.5V to 18V, accommodating various power supply configurations.

Equivalent

For similar functionalities, consider these alternatives to the TPS544B20RVFT:

  • LM2678: A step-down switching regulator IC from Texas Instruments, offering comparable performance and efficiency.
  • MP2315: This is a high-efficiency, synchronous step-down DC-DC converter from MPS (Monolithic Power Systems), suitable for similar power supply applications.

Specifications

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

Vin (min) (V) 4.5 Vin (max) (V) 18
Vout (min) (V) 0.6 Vout (max) (V) 5.5
Iout (max) (A) 20 Iq (typ) (mA) 8
Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 1000
Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode D-CAP, D-CAP2 Duty cycle (max) (%) 80
Type Converter

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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TPS544B20RVFT

Conv DC-DC 4.5V to 18V Synchronous Step Down Single-Out 0.6V to 5.5V 20A 40-Pin LQFN-CLIP EP T/R

Inventory:

3,393
Overview of TPS544B20RVFT Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.

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