SPX3819M5-L-1-8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output current capability
  • Wide input voltage range
  • Small package size
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 500mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819M5-L-1-8 has a total of five pins in the SOT-23-5 package. The pin configuration is as follows:

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Pin 1: GND (Ground) Pin 2: VOUT (Output Voltage) Pin 3: VIN (Input Voltage) Pin 4: BYP (Bypass Capacitor) Pin 5: EN (Enable) ```

Functional Features

• Low dropout voltage ensures stable output even with small input-output differentials.
• High output current capability allows for powering various components.
• Wide input voltage range provides flexibility in different applications.
• Small package size enables space-saving designs.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for powering multiple components simultaneously. - Wide input voltage range provides compatibility with different power sources. - Small package size enables integration into compact electronic devices.

Disadvantages: - Limited output voltage options (only 1.8V in this case). - Higher quiescent current compared to some other voltage regulators. - Sensitive to input voltage fluctuations.

Working Principles

The SPX3819M5-L-1-8 is a linear voltage regulator that regulates the input voltage to a stable 1.8V output voltage. It achieves this by using a pass transistor that adjusts its resistance based on the difference between the input and desired output voltage. This feedback mechanism ensures a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The SPX3819M5-L-1-8 can be used in various applications where a stable 1.8V power supply is required. Some potential application fields include: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SPX3819M5-L-1-8 are: - LM1117-1.8: Low dropout voltage regulator with 1.8V output. - MCP1700-1802E: Low quiescent current LDO regulator with 1.8V output. - TPS78218: Ultra-low-power, high PSRR, low-dropout voltage regulator with 1.8V output.

These alternative models provide options with different characteristics and specifications, allowing designers to choose the most suitable voltage regulator for their specific requirements.

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