SC4539ULTRT

Product Overview

Category: Integrated Circuit (IC)

Use: SC4539ULTRT is a high-performance voltage regulator designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Adjustable output voltage

Package: SC4539ULTRT comes in a compact and durable package, ensuring easy installation and protection against external factors such as moisture and dust.

Essence: The essence of SC4539ULTRT lies in its ability to regulate voltage efficiently, providing reliable power supply to sensitive electronic components.

Packaging/Quantity: Each package of SC4539ULTRT contains 50 units, making it suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 15V
• Dropout Voltage: 200mV at 1A
• Maximum Output Current: 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

SC4539ULTRT has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)
4. ADJ (Adjustment Pin)

Functional Features

• High Efficiency: SC4539ULTRT offers high efficiency, minimizing power loss and maximizing energy utilization.
• Overcurrent and Thermal Protection: The voltage regulator incorporates overcurrent and thermal protection mechanisms, safeguarding the connected components from damage.
• Adjustable Output Voltage: The adjustable output voltage feature allows users to set the desired voltage level according to their specific requirements.
• Wide Input Voltage Range: SC4539ULTRT can operate within a wide input voltage range, making it compatible with various power sources.

Advantages and Disadvantages

Advantages: - High efficiency ensures optimal power utilization. - Overcurrent and thermal protection enhance component safety. - Adjustable output voltage provides flexibility. - Wide input voltage range increases compatibility.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Quiescent current may affect battery life in low-power devices.

Working Principles

SC4539ULTRT operates on the principle of regulating voltage through a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

SC4539ULTRT finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Digital cameras - Wireless communication devices

Its ability to provide stable power supply makes it an essential component in these devices, ensuring reliable performance and preventing damage due to voltage fluctuations.

Detailed and Complete Alternative Models

1. SC4567ULTRT: Similar to SC4539ULTRT, this model offers higher maximum output current, making it suitable for high-power applications.
2. SC4512ULTRT: This alternative model features a lower dropout voltage, resulting in improved efficiency and reduced power loss.
3. SC4585ULTRT: With a wider input voltage range, this model provides greater compatibility with different power sources.

These alternative models offer similar functionality to SC4539ULTRT while addressing specific requirements or constraints in different applications.

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