UCC2921DTR

Product Overview

Category

UCC2921DTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for various applications, including power management and control systems.

Characteristics

• UCC2921DTR is a high-performance IC designed for efficient power management.
• It offers precise voltage regulation and control capabilities.
• The IC operates at a wide range of input voltages, making it suitable for diverse applications.
• It provides reliable protection features to safeguard connected devices from potential damage.

Package

UCC2921DTR is available in a small outline package (SOP) format. This package ensures easy integration into circuit boards and facilitates compact designs.

Essence

The essence of UCC2921DTR lies in its ability to regulate and control power efficiently, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

UCC2921DTR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 0.8V to 16V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to 85°C
• Supply Voltage: 4.5V to 18V
• Quiescent Current: 100µA

Detailed Pin Configuration

UCC2921DTR features a standard pin configuration, as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. EN: Enable pin for controlling the IC's operation
4. FB: Feedback pin for voltage regulation
5. COMP: Compensation pin for stability optimization
6. SS/TR: Soft-start/Tracking pin for gradual power-up and tracking applications
7. OUT: Output pin for regulated voltage supply

Functional Features

• Precise Voltage Regulation: UCC2921DTR ensures accurate voltage regulation, maintaining a stable output even under varying load conditions.
• Overcurrent Protection: The IC incorporates overcurrent protection mechanisms to prevent damage to connected devices in case of excessive current flow.
• Soft-Start Functionality: The soft-start feature allows for a gradual increase in output voltage during power-up, minimizing stress on the system components.
• Fast Transient Response: UCC2921DTR exhibits excellent transient response characteristics, enabling quick adaptation to sudden changes in load requirements.

Advantages and Disadvantages

Advantages

• High-performance voltage regulation
• Wide input voltage range
• Compact package size
• Reliable overcurrent protection
• Efficient soft-start functionality

Disadvantages

• Limited maximum output current (1A)
• Restricted operating temperature range (-40°C to 85°C)

Working Principles

UCC2921DTR operates based on a feedback control mechanism. It continuously monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. By comparing the feedback voltage with a reference voltage, the IC regulates the output voltage accurately.

Detailed Application Field Plans

UCC2921DTR finds applications in various fields, including: 1. Power supply units for consumer electronics 2. Industrial automation systems 3. Automotive electronics 4. Telecommunications equipment 5. Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to UCC2921DTR are: 1. LM2576-ADJ 2. LT1084CP-12 3. TPS5430DDAR 4. MAX5033DASA 5. MC34063ADR

These alternatives can be considered based on specific application requirements and availability.

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