Texas Instruments
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UCC3973PWTRG4
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UCC3973PWTRG4

Product Overview

Category

UCC3973PWTRG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide input voltage range

Package

UCC3973PWTRG4 comes in a small outline package (SOP) with thermal pad.

Essence

The essence of UCC3973PWTRG4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of UCC3973PWTRG4 ICs.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.5MHz
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

UCC3973PWTRG4 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. EN: Enable pin
  5. SW: Switching pin
  6. PG: Power good pin
  7. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck regulator
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft start functionality
  • Power good indicator

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide input voltage range allows for versatile applications
  • Compact size enables space-saving designs
  • Integrated protection features enhance reliability

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Higher switching frequency may introduce additional noise

Working Principles

UCC3973PWTRG4 operates as a synchronous buck regulator, converting the input voltage to a regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the duty cycle of the switching transistor, thereby regulating the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle accordingly.

Detailed Application Field Plans

UCC3973PWTRG4 finds applications in various fields, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. IoT devices 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to UCC3973PWTRG4 are: 1. LM2576-ADJ 2. TPS54331 3. LT1763-3.3 4. MAX5033BUPA+ 5. ADP2303ARDZ

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC3973PWTRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UCC3973PWTRG4 in technical solutions:

  1. Q: What is UCC3973PWTRG4? A: UCC3973PWTRG4 is a specific model of a power management integrated circuit (IC) designed for use in various technical solutions.

  2. Q: What are the key features of UCC3973PWTRG4? A: Some key features of UCC3973PWTRG4 include high efficiency, low quiescent current, wide input voltage range, and adjustable output voltage.

  3. Q: What are the typical applications of UCC3973PWTRG4? A: UCC3973PWTRG4 is commonly used in battery-powered devices, portable electronics, industrial equipment, and other applications that require efficient power management.

  4. Q: What is the maximum input voltage supported by UCC3973PWTRG4? A: The maximum input voltage supported by UCC3973PWTRG4 is typically around 40V.

  5. Q: Can UCC3973PWTRG4 handle both step-up and step-down voltage conversion? A: Yes, UCC3973PWTRG4 is capable of both step-up (boost) and step-down (buck) voltage conversion, making it versatile for different applications.

  6. Q: Does UCC3973PWTRG4 have built-in protection features? A: Yes, UCC3973PWTRG4 includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Q: How can I adjust the output voltage of UCC3973PWTRG4? A: The output voltage of UCC3973PWTRG4 can be adjusted using an external resistor divider connected to the feedback pin.

  8. Q: What is the typical efficiency of UCC3973PWTRG4? A: UCC3973PWTRG4 has a typical efficiency of around 90%, which helps minimize power losses and maximize battery life.

  9. Q: Can UCC3973PWTRG4 operate in a wide temperature range? A: Yes, UCC3973PWTRG4 is designed to operate reliably in a wide temperature range, typically from -40°C to +125°C.

  10. Q: Is UCC3973PWTRG4 available in different package options? A: Yes, UCC3973PWTRG4 is available in various package options, including the small outline transistor (SOT) and thin small outline package (TSOP).