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TPS54428DRCR
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TPS54428DRCR

Product Overview

Category

The TPS54428DRCR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize voltage levels.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Low output voltage ripple
  • Fast transient response

Package

The TPS54428DRCR comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The TPS54428DRCR is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 5.5V
  • Output Current: Up to 4A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. PGND: Power ground pin
  3. SW: Switching node pin
  4. FB: Feedback voltage pin
  5. EN: Enable pin
  6. SS/TR: Soft-start/Tracking pin
  7. COMP: Compensation pin
  8. VOUT: Output voltage pin

Functional Features

  • Integrated power MOSFETs
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout
  • Soft-start capability

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Fast transient response ensures stability during load changes
  • Compact package size enables space-saving designs

Disadvantages

  • Limited output current compared to some other voltage regulators
  • Higher cost compared to traditional linear regulators

Working Principles

The TPS54428DRCR operates as a synchronous buck converter. It converts the input voltage to a regulated output voltage using pulse-width modulation (PWM) techniques. The integrated power MOSFETs switch on and off rapidly to control the output voltage based on the feedback received from the FB pin.

Detailed Application Field Plans

The TPS54428DRCR is widely used in various applications, including but not limited to: - Power supplies for computer peripherals - Industrial automation systems - Telecommunications equipment - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  1. TPS54429DRCR
  2. TPS54427DRCR
  3. TPS54426DRCR
  4. TPS54425DRCR
  5. TPS54424DRCR

These alternative models offer similar functionality and can be considered as substitutes for the TPS54428DRCR depending on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS54428DRCR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TPS54428DRCR in technical solutions:

  1. Q: What is the TPS54428DRCR? A: The TPS54428DRCR is a synchronous step-down DC-DC converter integrated circuit (IC) that provides high efficiency power conversion for various applications.

  2. Q: What is the input voltage range of the TPS54428DRCR? A: The TPS54428DRCR has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the TPS54428DRCR? A: The TPS54428DRCR can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current of the TPS54428DRCR? A: The TPS54428DRCR can deliver up to 4A of continuous output current.

  5. Q: Does the TPS54428DRCR require an external compensation network? A: No, the TPS54428DRCR is internally compensated and does not require an external compensation network.

  6. Q: Can the TPS54428DRCR operate in a wide temperature range? A: Yes, the TPS54428DRCR is designed to operate in a temperature range of -40°C to 125°C.

  7. Q: What protection features does the TPS54428DRCR offer? A: The TPS54428DRCR includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Q: Is the TPS54428DRCR suitable for battery-powered applications? A: Yes, the TPS54428DRCR is suitable for battery-powered applications as it has a low quiescent current and supports power-saving modes.

  9. Q: Can the TPS54428DRCR be synchronized to an external clock? A: Yes, the TPS54428DRCR provides synchronization capability through an external clock input.

  10. Q: What package does the TPS54428DRCR come in? A: The TPS54428DRCR is available in a 10-pin VSON (3mm x 3mm) package.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information.