UCC2946DTR - English Editing Encyclopedia Entry

Product Overview

Category

UCC2946DTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage regulation and power management applications.

Characteristics

• UCC2946DTR is a high-performance voltage regulator IC.
• It operates with low dropout voltage, making it suitable for low-power applications.
• The IC has excellent line and load regulation characteristics.
• It offers a wide input voltage range and can handle high current loads efficiently.

Package

UCC2946DTR is available in a small surface-mount package (e.g., SOIC-8) for easy integration onto circuit boards.

Essence

The essence of UCC2946DTR lies in its ability to provide stable and regulated voltage outputs, ensuring reliable operation of electronic devices.

Packaging/Quantity

UCC2946DTR is typically packaged in reels or tubes, containing a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 1A
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.05% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

UCC2946DTR features an 8-pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. NC (No Connection)
5. VOUT (Output Voltage)
6. NC (No Connection)
7. NC (No Connection)
8. EN (Enable)

Functional Features

• Low Dropout Voltage: UCC2946DTR operates with a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Excellent Regulation: The IC offers exceptional line and load regulation characteristics, ensuring stable output voltage under varying conditions.
• Wide Input Voltage Range: It can accept a wide range of input voltages, making it versatile for various applications.
• High Current Handling: UCC2946DTR can handle high current loads up to 1A, enabling it to power a wide range of electronic devices.

Advantages and Disadvantages

Advantages

• Low dropout voltage enhances efficiency.
• Excellent line and load regulation ensure stable output voltage.
• Wide input voltage range provides versatility.
• High current handling capability allows for powering various devices.

Disadvantages

• Limited maximum output current (1A) may not be suitable for high-power applications.
• Lack of certain pin functionalities limits its flexibility in some designs.

Working Principles

UCC2946DTR utilizes a combination of internal circuitry, feedback mechanisms, and control logic to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the internal pass transistor accordingly to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

UCC2946DTR finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial automation - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to UCC2946DTR include: - LM1117-ADJ - LT1084CP-5 - TPS7A4700RGWT - ADP3339AKCZ-3.3-R7

These alternatives should be evaluated based on specific requirements and compatibility with the target application.

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