BU4223FVE-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The BU4223FVE-TR is a specialized integrated circuit designed for use in electronic devices and systems. It serves as a voltage regulator, providing stable power supply to various components within the system.

Characteristics: - Voltage regulation: The BU4223FVE-TR ensures a constant output voltage, regardless of input voltage fluctuations. - High efficiency: It minimizes power loss during voltage conversion, resulting in improved energy efficiency. - Compact package: The IC is housed in a small form factor package, making it suitable for space-constrained applications. - Low noise: It generates minimal electrical noise, ensuring clean power supply to sensitive components.

Package: The BU4223FVE-TR is available in a surface-mount package, which facilitates easy integration onto printed circuit boards (PCBs).

Essence: The essence of the BU4223FVE-TR lies in its ability to regulate voltage effectively, ensuring stable and reliable operation of electronic devices and systems.

Packaging/Quantity: The IC is typically supplied in reels or tubes, with each reel/tube containing a specific quantity of BU4223FVE-TR units. The exact quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Dropout Voltage: 0.2V (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The BU4223FVE-TR features a five-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (used to control the IC's operation)
5. FB: Feedback pin (used for voltage regulation)

Functional Features

• Voltage Regulation: The BU4223FVE-TR maintains a constant output voltage of 3.3V, regardless of variations in the input voltage.
• Overcurrent Protection: It incorporates overcurrent protection circuitry, safeguarding the IC and connected components from excessive current flow.
• Thermal Shutdown: In case of excessive temperature rise, the IC activates thermal shutdown to prevent damage due to overheating.
• Low Power Consumption: The IC itself consumes minimal power, contributing to overall energy efficiency.

Advantages and Disadvantages

Advantages: - Stable voltage output ensures reliable operation of electronic devices. - High efficiency minimizes power loss and improves energy efficiency. - Compact package allows for easy integration into space-constrained designs. - Low noise generation ensures clean power supply to sensitive components.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Dropout voltage of 0.2V may result in slightly reduced efficiency compared to other voltage regulators.

Working Principles

The BU4223FVE-TR operates based on a feedback mechanism. It continuously monitors the output voltage and adjusts its internal circuitry to maintain a stable 3.3V output. This is achieved by comparing the feedback voltage (FB pin) with a reference voltage. If the output voltage deviates from the desired level, the IC adjusts its internal switching elements to regulate the output voltage accordingly.

Detailed Application Field Plans

The BU4223FVE-TR finds application in various electronic devices and systems, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wireless communication devices - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative voltage regulator with similar specifications and pin configuration.
2. XC6206P332MR: Another alternative offering a compact package and comparable performance.
3. AP2112K-3.3TRG1: An alternative IC with additional features like overvoltage protection.

These alternative models can be considered based on specific design requirements, availability, and cost considerations.

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