Exar Corporation
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SP7661ER-L/TR
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SP7661ER-L/TR

Introduction

The SP7661ER-L/TR is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to sensitive components.

Basic Information Overview

  • Category: Integrated Circuits
  • Use: Voltage Regulation
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: SOP-8
  • Essence: Ensuring stable power supply
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Output Current: 1A
  • Dropout Voltage: 300mV at 1A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. NC (No Connection)
  4. VOUT (Output Voltage)
  5. VFB (Feedback Voltage)
  6. EN (Enable)
  7. NC (No Connection)
  8. NC (No Connection)

Functional Features

  • High Precision: Provides accurate output voltage regulation
  • Low Dropout Voltage: Minimizes power loss and heat dissipation
  • Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages: - Stable output voltage - Low dropout voltage - Thermal protection - Compact package size

Disadvantages: - Limited output current capacity - Restricted input voltage range

Working Principles

The SP7661ER-L/TR operates by comparing the feedback voltage with a reference voltage to adjust the output voltage. When the input voltage fluctuates, the regulator modulates the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

The SP7661ER-L/TR is widely utilized in various applications such as: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices

Detailed and Complete Alternative Models

  1. LM1117
  2. XC6206
  3. LT1763
  4. AP2112

In conclusion, the SP7661ER-L/TR is a versatile voltage regulator with precise regulation capabilities, making it an essential component in modern electronic devices.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением SP7661ER-L/TR в технических решениях.

  1. What is the operating voltage range of SP7661ER-L/TR?
    - The operating voltage range of SP7661ER-L/TR is 2.5V to 5.5V.

  2. What is the typical output current of SP7661ER-L/TR?
    - The typical output current of SP7661ER-L/TR is 100mA.

  3. Can SP7661ER-L/TR be used in battery-powered applications?
    - Yes, SP7661ER-L/TR can be used in battery-powered applications due to its low quiescent current.

  4. What is the thermal shutdown temperature of SP7661ER-L/TR?
    - The thermal shutdown temperature of SP7661ER-L/TR is typically 150°C.

  5. Is SP7661ER-L/TR suitable for automotive applications?
    - Yes, SP7661ER-L/TR is suitable for automotive applications as it meets AEC-Q100 standards.

  6. What is the typical dropout voltage of SP7661ER-L/TR?
    - The typical dropout voltage of SP7661ER-L/TR is 180mV at 100mA load.

  7. Can SP7661ER-L/TR be used in noise-sensitive applications?
    - Yes, SP7661ER-L/TR is designed to provide low output noise, making it suitable for noise-sensitive applications.

  8. Does SP7661ER-L/TR have built-in overcurrent protection?
    - Yes, SP7661ER-L/TR features built-in overcurrent protection to safeguard the device and the load.

  9. What is the typical quiescent current of SP7661ER-L/TR?
    - The typical quiescent current of SP7661ER-L/TR is 16µA.

  10. Is SP7661ER-L/TR available in a small package for space-constrained designs?
    - Yes, SP7661ER-L/TR is available in a compact SOT-23-5 package, making it suitable for space-constrained designs.