SPX385N-L-2-5/TR

Overview

Product Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Low Quiescent Current - High Accuracy Output Voltage - Thermal Shutdown Protection

Package: SOT-23-5

Essence: The SPX385N-L-2-5/TR is a voltage regulator IC that provides a stable output voltage with low dropout and high accuracy. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The SPX385N-L-2-5/TR is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 2.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Line Regulation: ±0.1%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SPX385N-L-2-5/TR has the following pin configuration:

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| | --| |-- VIN (Input Voltage) --| |-- GND (Ground) --| |-- VOUT (Output Voltage) |____| ```

Functional Features

• Low Dropout Voltage: The SPX385N-L-2-5/TR has a low dropout voltage of only 200mV at 100mA, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a quiescent current of only 50µA, the IC minimizes power consumption when in standby or idle mode.
• High Accuracy Output Voltage: The output voltage is regulated with high accuracy, ensuring a stable and precise voltage level for connected devices.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent overheating and damage under excessive operating conditions.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient operation - Low quiescent current reduces power consumption - High accuracy output voltage ensures stability - Thermal shutdown protection prevents damage from overheating

Disadvantages: - Limited input voltage range (2.7V to 6.0V) - SOT-23-5 package may require surface-mount soldering skills

Working Principles

The SPX385N-L-2-5/TR operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a constant output voltage regardless of variations in the input voltage or load conditions. The internal circuitry adjusts the pass transistor to regulate the output voltage within the specified range.

Detailed Application Field Plans

The SPX385N-L-2-5/TR is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices: Used to regulate voltage for battery-powered smartphones, tablets, and portable media players.
2. IoT Devices: Provides stable power for sensors, microcontrollers, and communication modules in Internet of Things applications.
3. Automotive Electronics: Regulates voltage for automotive systems such as infotainment systems, lighting controls, and engine management units.
4. Industrial Control Systems: Ensures stable power supply for PLCs (Programmable Logic Controllers), motor drives, and control panels in industrial automation.
5. Consumer Electronics: Used in audio/video equipment, gaming consoles, and other consumer electronic devices that require a regulated power source.

Detailed and Complete Alternative Models

1. LM1117-2.5: A popular alternative with similar specifications and package.
2. MCP1702-2502E/TO: Another voltage regulator IC with comparable characteristics and pin configuration.
3. TS2950CT-2.5: An alternative model offering low dropout voltage and thermal shutdown protection.

These alternative models can be considered based on specific requirements and availability in the market.

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