SC4538ULTRT

Product Overview

Category: Integrated Circuit (IC)

Use: SC4538ULTRT 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: SC4538ULTRT is available in a compact and durable surface-mount package, making it suitable for space-constrained applications.

Essence: The essence of SC4538ULTRT lies in its ability to regulate voltage with high precision, ensuring reliable operation of electronic devices.

Packaging/Quantity: SC4538ULTRT is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 15V
• Dropout Voltage: 200mV @ 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

SC4538ULTRT features a standard 6-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin
6. NC: No connection pin

Functional Features

• High Efficiency: SC4538ULTRT incorporates advanced circuitry that ensures minimal power loss, resulting in high overall efficiency.
• Overcurrent and Thermal Protection: The IC includes built-in protection mechanisms to safeguard against overcurrent and excessive temperature, enhancing device reliability.
• Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility for different application requirements.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows compatibility with various power sources - Overcurrent and thermal protection enhance device reliability - Adjustable output voltage provides versatility

Disadvantages: - Dropout voltage may limit its use in low-power applications - Limited output current capacity compared to some alternative models

Working Principles

SC4538ULTRT operates based on a feedback control mechanism. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage despite changes in input voltage or load conditions. This ensures that the connected electronic components receive a consistent and regulated power supply.

Detailed Application Field Plans

SC4538ULTRT finds applications in a wide range of electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Its compact size, high efficiency, and adjustable output voltage make it suitable for both consumer electronics and industrial applications.

Detailed and Complete Alternative Models

1. SC4562ULTRT: Similar to SC4538ULTRT, but with higher output current capacity.
2. SC4512ULTRT: Lower dropout voltage compared to SC4538ULTRT, suitable for low-power applications.
3. SC4589ULTRT: Offers additional features such as overvoltage protection and soft-start functionality.

These alternative models provide options for specific application requirements and can be considered based on the desired specifications and performance characteristics.

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