Exar Corporation
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
SPX3819S-L-5-0
詳細を表示 DataSheets

SPX3819S-L-5-0

Introduction

The SPX3819S-L-5-0 is a voltage regulator belonging to the category of linear regulators. This device is commonly used to provide a stable output voltage for various electronic applications. It possesses specific characteristics, packaging, and quantities that make it suitable for a wide range of uses.

Basic Information Overview

  • Category: Linear Regulator
  • Use: Provides stable output voltage
  • Characteristics: Low dropout voltage, low quiescent current
  • Package: SOT-23-5
  • Essence: Voltage regulation
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage: 5.0V
  • Dropout Voltage: 380mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SPX3819S-L-5-0 has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

  • Low Dropout Voltage: Ensures efficient regulation even when the input voltage is close to the output voltage.
  • Low Quiescent Current: Minimizes power consumption in standby or idle modes.
  • Thermal Shutdown Protection: Safeguards the device from overheating.

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • Small package size
  • Low dropout voltage
  • Low quiescent current

Disadvantages

  • Limited input voltage range
  • Sensitive to thermal conditions

Working Principles

The SPX3819S-L-5-0 operates by comparing the reference voltage with the feedback voltage to adjust the pass transistor's resistance, thereby maintaining a constant output voltage.

Detailed Application Field Plans

This voltage regulator is widely used in portable electronic devices, battery-powered systems, and low-power applications where a stable 5.0V supply is required. It is also suitable for IoT devices, sensor modules, and handheld instruments.

Detailed and Complete Alternative Models

  • SPX3819S-L-3-3: Output voltage of 3.3V
  • SPX3819S-L-ADJ: Adjustable output voltage
  • SPX3819S-L-2-8: Output voltage of 2.8V

In conclusion, the SPX3819S-L-5-0 is a reliable voltage regulator with specific characteristics that make it suitable for various low-power electronic applications.

[Word Count: 366]

技術ソリューションにおける SPX3819S-L-5-0 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the input voltage range for SPX3819S-L-5-0?

    • The input voltage range for SPX3819S-L-5-0 is 2.5V to 16V.

  2. What is the output voltage of SPX3819S-L-5-0?

    • The output voltage of SPX3819S-L-5-0 is fixed at 5.0V.

  3. What is the maximum output current of SPX3819S-L-5-0?

    • The maximum output current of SPX3819S-L-5-0 is 500mA.

  4. What is the typical dropout voltage of SPX3819S-L-5-0?

    • The typical dropout voltage of SPX3819S-L-5-0 is 300mV at 100mA load.

  5. Is SPX3819S-L-5-0 suitable for battery-powered applications?

    • Yes, SPX3819S-L-5-0 is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Does SPX3819S-L-5-0 require an external capacitor for stability?

    • Yes, SPX3819S-L-5-0 requires an external 10μF tantalum or 22μF ceramic capacitor for stability.

  7. What is the operating temperature range of SPX3819S-L-5-0?

    • The operating temperature range of SPX3819S-L-5-0 is -40°C to 125°C.

  8. Can SPX3819S-L-5-0 be used in automotive applications?

    • Yes, SPX3819S-L-5-0 can be used in automotive applications as it meets AEC-Q100 qualification standards.

  9. Does SPX3819S-L-5-0 have built-in thermal shutdown protection?

    • Yes, SPX3819S-L-5-0 has built-in thermal shutdown protection to prevent damage from excessive heat.

  10. Is SPX3819S-L-5-0 available in a surface-mount package?

    • Yes, SPX3819S-L-5-0 is available in a SOT-23-5 surface-mount package for easy integration into compact designs.