LX8117B-25CST

Product Overview

Category

LX8117B-25CST belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: LX8117B-25CST comes in a compact surface-mount package.
• Essence: It is a low-dropout (LDO) voltage regulator.
• Packaging/Quantity: The product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of LX8117B-25CST are as follows:

• Output Voltage: 2.5V
• Input Voltage Range: 2.7V to 5.5V
• Dropout Voltage: 0.3V at 100mA load current
• Maximum Output Current: 500mA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LX8117B-25CST has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

The functional features of LX8117B-25CST include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power.
• Overcurrent and thermal protection: The regulator includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages: - High accuracy and stability in voltage regulation. - Compact size and surface-mount package make it suitable for space-constrained applications. - Wide input voltage range allows for flexibility in various electronic circuits.

Disadvantages: - Limited maximum output current compared to some other voltage regulators. - Higher dropout voltage compared to certain alternatives.

Working Principles

LX8117B-25CST operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

LX8117B-25CST finds application in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of LX8117B-25CST, extending battery life.
2. Industrial control systems: The regulator ensures stable voltage supply in industrial control systems, preventing damage to sensitive components.
3. Automotive electronics: LX8117B-25CST can be used in automotive applications where a stable voltage is required for powering sensors, actuators, and other electronic modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LX8117B-25CST include:

1. LM1117-2.5: A popular LDO voltage regulator with a fixed 2.5V output voltage.
2. LT1763-2.5: Another LDO regulator with a 2.5V output voltage and low dropout characteristics.
3. ADP3339-2.5: An LDO regulator with a 2.5V output voltage and high accuracy.

These alternative models can be considered based on specific requirements and design constraints.

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