Semtech Corporation
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SC4808CMSTRT
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SC4808CMSTRT

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, compact design
Package: 16-pin QFN
Essence: Voltage regulator
Packaging/Quantity: Tape & Reel, 2500 units

Specifications

  • Input Voltage: 4.5V to 60V
  • Output Voltage: Adjustable from 0.6V to 54V
  • Output Current: Up to 8A
  • Switching Frequency: 300kHz to 2.2MHz
  • Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

  1. VIN
  2. PGND
  3. SW
  4. FB
  5. COMP
  6. SS/TRK
  7. VCC
  8. EN
  9. AGND
  10. ILIM
  11. BOOT
  12. PH
  13. LGATE
  14. PGATE
  15. SS
  16. VOUT

Functional Features

  • Wide input voltage range
  • High efficiency up to 95%
  • Adjustable output voltage
  • Synchronous rectification for improved efficiency
  • Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact design - Adjustable output voltage

Disadvantages: - Higher cost compared to non-synchronous regulators - Requires careful PCB layout due to high switching frequency

Working Principles

The SC4808CMSTRT is a synchronous step-down voltage regulator that uses a pulse-width modulation (PWM) control scheme to regulate the output voltage. It utilizes a high-side and low-side MOSFET to achieve high efficiency and can operate at a wide input voltage range.

Detailed Application Field Plans

The SC4808CMSTRT is suitable for various applications including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - LED lighting - Battery charging systems

Detailed and Complete Alternative Models

  1. LM2678S-ADJ/NOPB
  2. LT1763CS8-3.3#PBF
  3. TPS54332DDAR
  4. MAX15062ATB+
  5. ADP2384ACPZ-R7

This concludes the entry for SC4808CMSTRT, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SC4808CMSTRT i tekniske løsninger

  1. What is SC4808CMSTRT?

    • SC4808CMSTRT is a high-performance synchronous step-down regulator designed for various technical solutions.

  2. What is the input voltage range of SC4808CMSTRT?

    • The input voltage range of SC4808CMSTRT is typically 4.5V to 18V.

  3. What is the output voltage range of SC4808CMSTRT?

    • The output voltage range of SC4808CMSTRT is typically 0.6V to 5.5V.

  4. What is the maximum output current of SC4808CMSTRT?

    • SC4808CMSTRT can deliver a maximum output current of up to 8A.

  5. What are the key features of SC4808CMSTRT?

    • Some key features of SC4808CMSTRT include high efficiency, wide input voltage range, adjustable output voltage, and overcurrent protection.

  6. What applications is SC4808CMSTRT suitable for?

    • SC4808CMSTRT is suitable for a wide range of applications including industrial equipment, consumer electronics, and automotive systems.

  7. Does SC4808CMSTRT have built-in thermal shutdown protection?

    • Yes, SC4808CMSTRT is equipped with built-in thermal shutdown protection to prevent overheating.

  8. What is the operating temperature range of SC4808CMSTRT?

    • SC4808CMSTRT has an operating temperature range of -40°C to 125°C.

  9. Is SC4808CMSTRT RoHS compliant?

    • Yes, SC4808CMSTRT is RoHS compliant, ensuring environmental friendliness.

  10. Can SC4808CMSTRT be used in battery-powered applications?

    • Yes, SC4808CMSTRT is suitable for battery-powered applications due to its low quiescent current and high efficiency design.