ON Semiconductor
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SMUN5237DW1T1G
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SMUN5237DW1T1G

Product Overview

Category: Semiconductor
Use: Power Management IC
Characteristics: High efficiency, low power consumption
Package: DFN-10
Essence: Voltage regulator
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage: 4.5V to 28V
  • Output Voltage: 0.8V to 24V
  • Output Current: 3A
  • Switching Frequency: 2.1MHz
  • Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. SS (Soft start)
  6. AGND (Analog ground)
  7. PGND (Power ground)
  8. SW (Switch node)
  9. COMP (Compensation)
  10. VOUT (Output voltage)

Functional Features

  • Wide input voltage range
  • High efficiency up to 95%
  • Integrated overcurrent and thermal protection
  • Soft start for controlled startup
  • Adjustable output voltage

Advantages

  • Compact DFN package
  • High efficiency reduces power dissipation
  • Wide input voltage range allows versatile applications
  • Integrated protection features enhance reliability

Disadvantages

  • Higher switching frequency may require careful PCB layout design
  • Limited output current compared to some alternatives

Working Principles

The SMUN5237DW1T1G is a synchronous step-down DC-DC converter that regulates the input voltage to a lower, stable output voltage. It uses a high-frequency switching regulator to achieve high efficiency and compact size. The integrated control circuitry ensures reliable operation and protection against fault conditions.

Detailed Application Field Plans

This voltage regulator is suitable for various applications requiring efficient power management, such as: - Portable devices - Industrial automation - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

  • LM2675-ADJ/NOPB: Adjustable output voltage, higher output current
  • MP2315GQW: Higher switching frequency, wider input voltage range

Note: The alternative models listed above are for reference only and may have different specifications.

This entry provides comprehensive information about the SMUN5237DW1T1G, including its basic overview, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMUN5237DW1T1G dalam solusi teknis

  1. What is SMUN5237DW1T1G?

    • SMUN5237DW1T1G is a high-performance, low-dropout (LDO) voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range of SMUN5237DW1T1G?

    • The input voltage range of SMUN5237DW1T1G is typically between 2.5V and 6.5V.

  3. What is the output voltage range of SMUN5237DW1T1G?

    • The output voltage range of SMUN5237DW1T1G is adjustable from 0.8V to 5.5V.

  4. What is the maximum output current of SMUN5237DW1T1G?

    • SMUN5237DW1T1G can deliver a maximum output current of 150mA.

  5. What are the typical applications of SMUN5237DW1T1G?

    • SMUN5237DW1T1G is commonly used in battery-powered devices, portable equipment, and other applications requiring a regulated power supply.

  6. Does SMUN5237DW1T1G have built-in thermal shutdown protection?

    • Yes, SMUN5237DW1T1G features built-in thermal shutdown protection to prevent overheating.

  7. What is the dropout voltage of SMUN5237DW1T1G?

    • The dropout voltage of SMUN5237DW1T1G is typically 200mV at 100mA load current.

  8. Is SMUN5237DW1T1G suitable for automotive applications?

    • Yes, SMUN5237DW1T1G is designed to meet the requirements for automotive applications.

  9. What is the operating temperature range of SMUN5237DW1T1G?

    • SMUN5237DW1T1G can operate within a temperature range of -40°C to 125°C.

  10. Does SMUN5237DW1T1G require external capacitors for stability?

    • Yes, SMUN5237DW1T1G requires an input capacitor and an output capacitor for stability and proper operation.