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SPX3819M5-L-3-0
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SPX3819M5-L-3-0

Overview

Product Category

The SPX3819M5-L-3-0 belongs to the category of voltage regulators.

Use

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

Characteristics

  • Compact size
  • High efficiency
  • Low dropout voltage
  • Adjustable output voltage
  • Overcurrent and thermal protection

Package

The SPX3819M5-L-3-0 comes in a small SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

The SPX3819M5-L-3-0 is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 2.5V - 6.0V
  • Output Voltage Range: 1.2V - 5.5V
  • Dropout Voltage: 200mV (typical)
  • Maximum Output Current: 500mA
  • Quiescent Current: 120µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819M5-L-3-0 has five pins arranged as follows:

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

Pin 1: Enable (EN) - Controls the regulator's output state. Pin 2: Ground (GND) - Connected to the ground reference. Pin 3: Feedback (FB) - Provides feedback for output voltage regulation. Pin 4: Output (OUT) - Supplies the regulated output voltage. Pin 5: Input (IN) - Receives the input voltage to be regulated.

Functional Features

  • Adjustable output voltage through external resistors.
  • Low dropout voltage enables operation with low input voltages.
  • Overcurrent and thermal protection ensure safe operation.
  • Fast transient response for sudden load changes.
  • Low quiescent current minimizes power consumption in standby mode.

Advantages and Disadvantages

Advantages

  • Compact size allows for easy integration into space-constrained designs.
  • High efficiency results in reduced power dissipation and longer battery life.
  • Adjustable output voltage provides flexibility for various applications.
  • Overcurrent and thermal protection enhance reliability and prevent damage to the device.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Dropout voltage may cause a slight decrease in efficiency when operating at low input voltages.

Working Principles

The SPX3819M5-L-3-0 operates based on a linear voltage regulation principle. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin controls the regulator's output state, allowing it to be turned on or off as required.

Detailed Application Field Plans

The SPX3819M5-L-3-0 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

  1. LM1117-3.3: Fixed output voltage of 3.3V, maximum output current of 800mA.
  2. LT1763-3.3: Fixed output voltage of 3.3V, low dropout voltage, maximum output current of 500mA.
  3. MCP1700-3302E: Fixed output voltage of 3.3V, low quiescent current, maximum output current of 250mA.
  4. TPS79633: Fixed output voltage of 3.3V, high PSRR, maximum output current of 1A.

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

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät SPX3819M5-L-3-0 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of SPX3819M5-L-3-0 in technical solutions:

  1. Q: What is SPX3819M5-L-3-0? A: SPX3819M5-L-3-0 is a low dropout voltage regulator (LDO) IC that provides a fixed output voltage of 3.0V.

  2. Q: What is the input voltage range for SPX3819M5-L-3-0? A: The input voltage range for SPX3819M5-L-3-0 is typically between 2.5V and 6.0V.

  3. Q: What is the maximum output current of SPX3819M5-L-3-0? A: SPX3819M5-L-3-0 can provide a maximum output current of 500mA.

  4. Q: Is SPX3819M5-L-3-0 suitable for battery-powered applications? A: Yes, SPX3819M5-L-3-0 is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  5. Q: Can SPX3819M5-L-3-0 handle input voltage fluctuations? A: Yes, SPX3819M5-L-3-0 has built-in protection features like thermal shutdown and current limit to handle input voltage fluctuations.

  6. Q: Does SPX3819M5-L-3-0 require any external components for operation? A: Yes, SPX3819M5-L-3-0 requires an input capacitor and an output capacitor for stable operation.

  7. Q: What is the typical dropout voltage of SPX3819M5-L-3-0? A: The typical dropout voltage of SPX3819M5-L-3-0 is around 200mV at 500mA load.

  8. Q: Can SPX3819M5-L-3-0 operate in a wide temperature range? A: Yes, SPX3819M5-L-3-0 can operate in a temperature range of -40°C to +85°C.

  9. Q: Is SPX3819M5-L-3-0 available in a surface mount package? A: Yes, SPX3819M5-L-3-0 is available in a SOT-23-5 surface mount package.

  10. Q: What are some common applications of SPX3819M5-L-3-0? A: SPX3819M5-L-3-0 is commonly used in battery-powered devices, portable electronics, and other low-power applications that require a stable 3.0V power supply.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for SPX3819M5-L-3-0.