Semtech Corporation
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SC4808AIMSTRT
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SC4808AIMSTRT

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: Surface Mount Technology (SMT)
  • Essence: Regulates and controls power supply in electronic devices
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Output Current: Up to 1A
  • Quiescent Current: 50µA (typical)
  • Switching Frequency: 1.2MHz (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SC4808AIMSTRT has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching pin
  6. VOUT: Output voltage pin

Functional Features

  • High efficiency power conversion
  • Low power consumption in standby mode
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft start for smooth power-up
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power wastage
  • Low quiescent current prolongs battery life
  • Compact SMT package saves board space
  • Wide input voltage range allows flexibility in power sources
  • Overcurrent and thermal protection enhance device safety

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • Requires external resistors for output voltage adjustment

Working Principles

The SC4808AIMSTRT is a step-down (buck) voltage regulator. It takes an input voltage within the specified range and efficiently converts it to a lower, regulated output voltage. The integrated circuit uses a switching mechanism to control the power flow, minimizing energy loss and maximizing efficiency.

Detailed Application Field Plans

The SC4808AIMSTRT is commonly used in various electronic devices that require efficient power management. Some typical application fields include:

  1. Mobile devices: smartphones, tablets, portable media players
  2. Wearable devices: smartwatches, fitness trackers
  3. IoT devices: sensors, smart home devices
  4. Portable gaming consoles
  5. Battery-powered devices: wireless headphones, portable speakers

Alternative Models

  • SC4809AIMSTRT
  • SC4810AIMSTRT
  • SC4811AIMSTRT
  • SC4812AIMSTRT

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SC4808AIMSTRT en soluciones técnicas

  1. What is SC4808AIMSTRT?
    - SC4808AIMSTRT is a high-performance voltage regulator IC designed for use in various technical solutions.

  2. What is the input voltage range of SC4808AIMSTRT?
    - The input voltage range of SC4808AIMSTRT is typically between 4.5V and 60V.

  3. What is the output voltage accuracy of SC4808AIMSTRT?
    - SC4808AIMSTRT offers excellent output voltage accuracy, typically within ±1%.

  4. Can SC4808AIMSTRT handle high current loads?
    - Yes, SC4808AIMSTRT is capable of handling high current loads, making it suitable for demanding technical solutions.

  5. Does SC4808AIMSTRT have built-in thermal protection?
    - Yes, SC4808AIMSTRT features built-in thermal shutdown and current limit protection to ensure safe operation.

  6. What are the typical applications of SC4808AIMSTRT?
    - SC4808AIMSTRT is commonly used in automotive electronics, industrial control systems, and power management solutions.

  7. Is SC4808AIMSTRT suitable for battery-powered devices?
    - Yes, SC4808AIMSTRT's low quiescent current and wide input voltage range make it well-suited for battery-powered devices.

  8. Can SC4808AIMSTRT be used in harsh environments?
    - SC4808AIMSTRT is designed to operate reliably in harsh environments, with a wide temperature range and robust construction.

  9. What package options are available for SC4808AIMSTRT?
    - SC4808AIMSTRT is available in various package options, including SOIC, DFN, and QFN, to accommodate different design requirements.

  10. Are there any application notes or reference designs available for SC4808AIMSTRT?
    - Yes, application notes and reference designs for SC4808AIMSTRT are available to assist engineers in implementing the IC effectively in their technical solutions.