SPX3819S-L-1-2

Overview

Product Category

SPX3819S-L-1-2 belongs to the category of voltage regulators.

Use

The SPX3819S-L-1-2 is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short circuit protection

Package

The SPX3819S-L-1-2 comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of SPX3819S-L-1-2 lies in its ability to provide stable and regulated voltage output in various electronic applications.

Packaging/Quantity

The SPX3819S-L-1-2 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 75µA (typical)
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819S-L-1-2 has the following pin configuration:

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

Functional Features

• High Precision Regulation: The SPX3819S-L-1-2 provides accurate and stable voltage regulation, ensuring reliable performance of connected electronic components.
• Low Dropout Voltage: With a low dropout voltage, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The low quiescent current minimizes power consumption when the regulator is in standby or idle mode.
• Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short Circuit Protection: In case of a short circuit, the SPX3819S-L-1-2 automatically shuts down to protect itself and the connected circuitry.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output.
• Low dropout voltage allows for efficient operation even with low input voltages.
• Low quiescent current reduces power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the regulator and connected components.

Disadvantages

• Limited output current capacity (maximum 500mA).
• Restricted input voltage range (2.5V - 6.0V).

Working Principles

The SPX3819S-L-1-2 operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. When the input voltage drops below the desired output voltage plus the dropout voltage, the regulator starts regulating the voltage by adjusting its internal resistance.

Detailed Application Field Plans

The SPX3819S-L-1-2 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SPX3819S-L-1-2 include: - LM317 - LT1083 - LM1117 - TPS7A4700

These models offer similar functionality and features, providing options for different design requirements.

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