Microsemi Corporation
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SMDB03E3/TR7
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SMDB03E3/TR7

Product Overview

Category

SMDB03E3/TR7 belongs to the category of semiconductor devices.

Use

This product is used for voltage regulation and power management in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limit

Package

The SMDB03E3/TR7 comes in a small outline package (SOP) for easy integration into circuit designs.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The SMDB03E3/TR7 is typically packaged in reels containing a specific quantity, usually 3000 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.2V to 15V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 300mV at 100mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMDB03E3/TR7 has a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

  • Voltage Regulation
  • Overcurrent Protection
  • Thermal Shutdown
  • Enable/Shutdown Control

Advantages and Disadvantages

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Built-in protection features

Disadvantages

  • Limited maximum output current compared to some alternative models
  • Sensitive to external noise and fluctuations

Working Principles

The SMDB03E3/TR7 operates based on the principle of feedback control using an internal error amplifier and reference voltage source. When the output voltage deviates from the set value, the control circuit adjusts the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

This product is suitable for various applications including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - SMDB02E2/TR7 - SMDB04E4/TR7 - SMDC05C5/TR7

In conclusion, the SMDB03E3/TR7 is a versatile voltage regulator with a wide input voltage range and essential protection features, making it suitable for diverse electronic applications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением SMDB03E3/TR7 в технических решениях.

  1. What is the SMDB03E3/TR7 component used for?

    • The SMDB03E3/TR7 is a diode bridge rectifier commonly used in power supply applications to convert AC voltage to DC voltage.

  2. What is the maximum forward voltage drop of the SMDB03E3/TR7?

    • The maximum forward voltage drop of the SMDB03E3/TR7 is typically around 1 volt at a forward current of 1 ampere.

  3. What is the maximum reverse voltage of the SMDB03E3/TR7?

    • The maximum reverse voltage of the SMDB03E3/TR7 is typically around 300 volts.

  4. What are the typical applications of the SMDB03E3/TR7 in technical solutions?

    • The SMDB03E3/TR7 is commonly used in power supplies, battery chargers, and other applications where AC to DC conversion is required.

  5. What is the maximum average forward rectified current of the SMDB03E3/TR7?

    • The maximum average forward rectified current of the SMDB03E3/TR7 is typically around 0.8 amperes.

  6. What is the operating temperature range of the SMDB03E3/TR7?

    • The operating temperature range of the SMDB03E3/TR7 is typically from -55°C to +150°C.

  7. Does the SMDB03E3/TR7 require a heat sink for certain applications?

    • Yes, for high-power applications or when the ambient temperature exceeds a certain level, a heat sink may be required to dissipate heat effectively.

  8. What are the package dimensions of the SMDB03E3/TR7?

    • The SMDB03E3/TR7 typically comes in a compact surface mount package with standard dimensions.

  9. Is the SMDB03E3/TR7 RoHS compliant?

    • Yes, the SMDB03E3/TR7 is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. Are there any recommended layout considerations when using the SMDB03E3/TR7 in a circuit?

    • It is recommended to keep the traces short and use proper grounding techniques to minimize noise and ensure optimal performance of the SMDB03E3/TR7 in a circuit.