Texas Instruments
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
TPS54495RSAR
자세히보기 데이터시트

TPS54495RSAR

Product Overview

Category

The TPS54495RSAR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

The TPS54495RSAR comes in a small outline package (SOP) with exposed pad.

Essence

The essence of the TPS54495RSAR lies in its ability to efficiently regulate voltage in various electronic applications.

Packaging/Quantity

The TPS54495RSAR is typically packaged in reels and is available in quantities of 2500 units per reel.

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

The TPS54495RSAR has the following 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. VSENSE: Current sense pin
  8. AGND: Analog ground pin
  9. VOUT: Output voltage pin

Functional Features

  • Integrated MOSFETs for high efficiency
  • Adaptive on-time control architecture for fast transient response
  • Adjustable soft-start time
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Fast transient response ensures stable output voltage during load changes

Disadvantages

  • Limited output current capacity (up to 4A)
  • Requires external components for proper operation

Working Principles

The TPS54495RSAR operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching signal. This duty cycle is determined by the feedback voltage and the reference voltage. The integrated MOSFETs efficiently switch the input voltage to provide the desired output voltage.

Detailed Application Field Plans

The TPS54495RSAR finds applications in various fields, including: 1. Power supplies for computer systems 2. Industrial automation equipment 3. Telecommunications infrastructure 4. Consumer electronics 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TPS54495RSAR include: 1. LM2596S-ADJ 2. LT1084CP-5 3. LM317T 4. TPS5430DDAR 5. LM2576T-ADJ

These models offer similar functionality and can be used as substitutes depending on specific requirements.

Word count: 410

기술 솔루션에 TPS54495RSAR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of TPS54495RSAR in technical solutions:

  1. Q: What is the TPS54495RSAR? A: The TPS54495RSAR is a synchronous step-down DC-DC converter designed for various applications, including industrial, automotive, and communications.

  2. Q: What is the input voltage range of the TPS54495RSAR? A: The TPS54495RSAR has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the TPS54495RSAR? A: The TPS54495RSAR can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current of the TPS54495RSAR? A: The TPS54495RSAR can deliver a maximum output current of 15A.

  5. Q: Does the TPS54495RSAR have overcurrent protection? A: Yes, the TPS54495RSAR features overcurrent protection to safeguard against excessive load currents.

  6. Q: Can the TPS54495RSAR operate in a wide temperature range? A: Yes, the TPS54495RSAR is designed to operate in a temperature range of -40°C to 125°C.

  7. Q: Does the TPS54495RSAR support remote voltage sensing? A: Yes, the TPS54495RSAR supports remote voltage sensing to compensate for voltage drops in long traces or cables.

  8. Q: Is the TPS54495RSAR compatible with both ceramic and tantalum capacitors? A: Yes, the TPS54495RSAR is compatible with both ceramic and tantalum capacitors for output filtering.

  9. Q: Does the TPS54495RSAR have a power-good (PG) indicator? A: Yes, the TPS54495RSAR has a power-good (PG) indicator that provides an indication of the output voltage status.

  10. Q: Can the TPS54495RSAR be used in battery-powered applications? A: Yes, the TPS54495RSAR can be used in battery-powered applications as it supports a wide input voltage range and offers high efficiency.

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