LX8117-33CST

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: SOT-223
Essence: Linear regulator
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 3.3V
• Dropout Voltage: 300mV at 1A
• Maximum Output Current: 1A
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LX8117-33CST has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Provides a stable output voltage of 3.3V.
• Can handle an input voltage range of 2.5V to 6V.
• Offers excellent line and load regulation for consistent performance.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - High efficiency power management solution. - Compact SOT-223 package for space-constrained applications. - Wide operating temperature range allows for versatile usage. - Low dropout voltage enables efficient power conversion.

Disadvantages: - Limited maximum output current of 1A. - Not suitable for applications requiring higher output voltages.

Working Principles

The LX8117-33CST is a linear regulator that regulates the input voltage to a stable 3.3V output voltage. It achieves this by using a pass transistor to drop the excess voltage across the regulator. The dropout voltage is kept low, resulting in efficient power conversion. The device operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a constant output.

Detailed Application Field Plans

The LX8117-33CST is commonly used in various applications that require stable and regulated power supply at 3.3V. Some of the typical application fields include:

1. Battery-powered devices: Provides regulated power for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: Used in microcontroller-based systems, IoT devices, and industrial automation equipment.
3. Automotive electronics: Suitable for powering sensors, actuators, and control modules in automotive applications.
4. Communication systems: Used in routers, switches, and other networking equipment to ensure stable power supply.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar linear regulator with a TO-220 package.
2. LT1763-3.3: Low dropout linear regulator with adjustable output voltage.
3. TPS7A3301: High-performance linear regulator with ultra-low dropout voltage.

These alternative models offer similar functionality and can be considered as substitutes for the LX8117-33CST depending on specific requirements.

Word count: 398 words