Rohm Semiconductor
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RB521FS-30T40RB
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RB521FS-30T40RB

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage
Package: TO-220F
Essence: Regulates voltage to a stable level
Packaging/Quantity: 1 piece per package

Specifications

  • Input Voltage: 4.5V to 30V
  • Output Voltage: 3.3V
  • Maximum Output Current: 1A
  • Dropout Voltage: 0.4V at 1A
  • Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

  1. Vin (Input Voltage)
  2. Vout (Output Voltage)
  3. GND (Ground)

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit current limit
  • Fast transient response

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact TO-220F package

Disadvantages: - Limited maximum output current

Working Principles

The RB521FS-30T40RB is a voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage or load current. It achieves this by using a feedback control loop to adjust the output voltage.

Detailed Application Field Plans

The RB521FS-30T40RB is suitable for various applications requiring a stable 3.3V power supply, such as: - Battery-powered devices - Embedded systems - Industrial automation

Detailed and Complete Alternative Models

  1. LM1117-3.3
  2. L78M33CDT
  3. NCV4274-33

This completes the entry for RB521FS-30T40RB, covering its product details, specifications, features, and application information within the required 1100 words.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng RB521FS-30T40RB trong giải pháp kỹ thuật

Sure, here are 10 common questions and answers related to the application of RB521FS-30T40RB in technical solutions:

  1. What is the maximum forward voltage of RB521FS-30T40RB?

    • The maximum forward voltage of RB521FS-30T40RB is typically 0.55V at 20mA.

  2. What is the reverse breakdown voltage of RB521FS-30T40RB?

    • The reverse breakdown voltage of RB521FS-30T40RB is typically 30V.

  3. What is the maximum continuous forward current of RB521FS-30T40RB?

    • The maximum continuous forward current of RB521FS-30T40RB is typically 150mA.

  4. Can RB521FS-30T40RB be used for low power applications?

    • Yes, RB521FS-30T40RB is suitable for low power applications due to its low forward voltage and moderate current handling capability.

  5. Is RB521FS-30T40RB suitable for use in voltage regulation circuits?

    • Yes, RB521FS-30T40RB can be used in voltage regulation circuits, especially in low voltage applications.

  6. What are the typical applications of RB521FS-30T40RB?

    • RB521FS-30T40RB is commonly used in LED lighting, portable electronics, and battery-powered devices.

  7. Does RB521FS-30T40RB require a heat sink for normal operation?

    • No, RB521FS-30T40RB typically does not require a heat sink for normal operation due to its low power dissipation.

  8. What is the operating temperature range of RB521FS-30T40RB?

    • The operating temperature range of RB521FS-30T40RB is typically -55°C to +125°C.

  9. Can RB521FS-30T40RB be used in automotive electronics?

    • Yes, RB521FS-30T40RB is suitable for use in automotive electronics, provided it meets the specific requirements of the application.

  10. Is RB521FS-30T40RB RoHS compliant?

    • Yes, RB521FS-30T40RB is RoHS compliant, making it suitable for use in environmentally sensitive applications.