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SPX3819M5-L-3-3
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SPX3819M5-L-3-3

Overview

Product Category

The SPX3819M5-L-3-3 belongs to the category of voltage regulators.

Use

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

Characteristics

  • Compact size
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Thermal shutdown protection

Package

The SPX3819M5-L-3-3 comes in a small SOT-23-5 package.

Essence

The essence of this product lies in its ability to regulate voltage with high efficiency and low dropout voltage, making it suitable for various electronic applications.

Packaging/Quantity

The SPX3819M5-L-3-3 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage: 3.3V
  • Dropout Voltage: 300mV (typical)
  • Maximum Output Current: 500mA
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Quiescent Current: 75µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819M5-L-3-3 has five pins arranged as follows:

```

| | --| |-- |____| ```

Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Not Connected (NC) Pin 5: Output (OUT)

Functional Features

  • Low dropout voltage ensures efficient power conversion.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Wide input voltage range allows for flexibility in various applications.
  • High output current capability supports power-hungry devices.

Advantages

  • Compact size makes it suitable for space-constrained designs.
  • High efficiency results in minimal power dissipation.
  • Wide input voltage range enables compatibility with different power sources.
  • Thermal shutdown protection enhances reliability and safety.
  • Low dropout voltage ensures stable output even with low input voltages.

Disadvantages

  • Limited maximum output current may not be sufficient for certain high-power applications.
  • Lack of adjustable output voltage limits versatility in some scenarios.
  • Not suitable for applications requiring precise voltage regulation beyond the specified range.

Working Principles

The SPX3819M5-L-3-3 operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The internal circuitry adjusts the pass transistor to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The SPX3819M5-L-3-3 finds applications in various electronic systems, including but not limited to:

  1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearables.
  2. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, extending battery life.
  3. Automotive electronics: Regulates voltage for automotive applications like infotainment systems, sensors, and lighting.
  4. Industrial control systems: Ensures reliable voltage regulation in industrial automation equipment and control systems.
  5. Consumer electronics: Supports voltage regulation in audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
  2. MCP1700-3302E/TO: Another option offering comparable performance and package type.
  3. LP2985-33DBVR: Provides low dropout voltage and adjustable output voltage.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SPX3819M5-L-3-3 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SPX3819M5-L-3-3 in technical solutions:

  1. Q: What is SPX3819M5-L-3-3? A: SPX3819M5-L-3-3 is a low dropout voltage regulator (LDO) IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for SPX3819M5-L-3-3? A: The input voltage range for SPX3819M5-L-3-3 is typically between 2.5V and 6.0V.

  3. Q: What is the maximum output current of SPX3819M5-L-3-3? A: SPX3819M5-L-3-3 can provide a maximum output current of 500mA.

  4. Q: Can SPX3819M5-L-3-3 be used in battery-powered applications? A: Yes, SPX3819M5-L-3-3 is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  5. Q: Does SPX3819M5-L-3-3 require any external components for operation? A: Yes, SPX3819M5-L-3-3 requires an input capacitor and an output capacitor for stable operation.

  6. Q: What is the dropout voltage of SPX3819M5-L-3-3? A: The dropout voltage of SPX3819M5-L-3-3 is typically around 200mV at full load.

  7. Q: Is SPX3819M5-L-3-3 capable of providing a regulated output voltage even with varying input voltage? A: Yes, SPX3819M5-L-3-3 maintains a stable output voltage even with varying input voltage within its specified range.

  8. Q: Can SPX3819M5-L-3-3 handle short-circuit conditions? A: Yes, SPX3819M5-L-3-3 has built-in current limiting and thermal shutdown protection to handle short-circuit conditions.

  9. Q: What is the operating temperature range for SPX3819M5-L-3-3? A: SPX3819M5-L-3-3 can operate within a temperature range of -40°C to +85°C.

  10. Q: What are some typical applications of SPX3819M5-L-3-3? A: SPX3819M5-L-3-3 is commonly used in various technical solutions such as battery-powered devices, embedded systems, IoT applications, and portable electronics.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of SPX3819M5-L-3-3.