BU4239G-TR

Product Overview

Category: Integrated Circuit (IC)

Use: BU4239G-TR is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Compact and lightweight design

Package: BU4239G-TR is available in a small outline package (SOP) which ensures easy integration into circuit boards. The package dimensions are 5mm x 4mm.

Essence: The essence of BU4239G-TR lies in its ability to regulate voltage efficiently, ensuring reliable and consistent power supply to sensitive electronic components.

Packaging/Quantity: BU4239G-TR is typically packaged in reels containing 3000 units per reel. This packaging format allows for convenient handling and automated assembly processes.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BU4239G-TR features a standard 5-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin (active high)
5. BYP: Bypass capacitor connection pin

Functional Features

• High Precision Regulation: BU4239G-TR ensures precise voltage regulation with minimal output voltage variation, providing stable power supply to connected devices.
• Low Dropout Voltage: The IC exhibits low dropout voltage, minimizing power loss and maximizing efficiency.
• Overcurrent and Thermal Protection: Built-in protection mechanisms safeguard the IC and connected components from damage due to excessive current or temperature.
• Wide Input Voltage Range: BU4239G-TR can operate within a wide input voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Overcurrent and thermal protection - Wide input voltage range - Compact and lightweight design

Disadvantages: - Maximum output current limited to 500mA - Limited operating temperature range (-40°C to +85°C)

Working Principles

BU4239G-TR utilizes a feedback control mechanism to maintain a stable output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to regulate the output voltage within the desired range. The IC continuously monitors the input voltage, output voltage, and load conditions to ensure optimal performance.

Detailed Application Field Plans

BU4239G-TR finds application in various electronic devices where stable voltage regulation is crucial. Some potential application fields include: 1. Mobile devices (smartphones, tablets) 2. Portable audio players 3. Wearable devices 4. Battery-powered devices 5. IoT devices

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator IC with similar characteristics and package size.
2. XC6206P332MR: Fixed voltage regulator IC with a smaller package size and lower maximum output current.
3. LT1763CS8-3.3: High-performance voltage regulator IC with a wider input voltage range and higher maximum output current.

These alternative models offer similar functionality and can be considered as substitutes for BU4239G-TR depending on specific requirements.

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