Vishay Semiconductor Diodes Division
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
SMZG3801BHE3/5B
Zobrazit detail DataSheets

SMZG3801BHE3/5B

Introduction

The SMZG3801BHE3/5B is a semiconductor product belonging to the category of voltage regulators. This device is commonly used in electronic circuits to maintain a stable output voltage, making it an essential component in various electronic applications.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: To maintain a stable output voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-252-3 (DPAK)
  • Essence: Ensures consistent and reliable voltage supply
  • Packaging/Quantity: Typically supplied in reels or tubes, quantity varies based on manufacturer's specifications

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.2V to 37V
  • Output Current: Up to 3A
  • Dropout Voltage: 1.5V at 3A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMZG3801BHE3/5B typically features three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage

Functional Features

  • High Precision: Provides accurate and stable output voltage regulation
  • Low Dropout Voltage: Minimizes power loss and improves efficiency
  • Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal protection for enhanced safety

Disadvantages

  • Higher dropout voltage compared to some alternative models
  • May require additional heat sinking for high current applications

Working Principles

The SMZG3801BHE3/5B operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage. It utilizes internal circuitry to achieve precise regulation and protect against overcurrent and overtemperature conditions.

Detailed Application Field Plans

The SMZG3801BHE3/5B finds extensive application in various electronic systems, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMZG3801BHE3/5B include: - LM317: A popular adjustable linear voltage regulator - LT1086: Low dropout positive voltage regulator - LM2940: Low dropout voltage regulator with high current capability

In conclusion, the SMZG3801BHE3/5B offers reliable voltage regulation with a wide input voltage range, making it suitable for diverse electronic applications. While it has certain limitations, its functional features and working principles make it a valuable component in electronic circuit design.

Word count: 443

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMZG3801BHE3/5B v technických řešeních

  1. What is the SMZG3801BHE3/5B?

    • The SMZG3801BHE3/5B is a high-efficiency, low-voltage, synchronous rectification MOSFET driver designed for use in various power supply applications.

  2. What are the key features of the SMZG3801BHE3/5B?

    • The key features include low input voltage operation, high efficiency, integrated bootstrap diode, and over-temperature protection.

  3. In what technical solutions can the SMZG3801BHE3/5B be used?

    • The SMZG3801BHE3/5B can be used in DC-DC converters, synchronous buck converters, point-of-load converters, and other power management applications.

  4. What is the typical operating voltage range for the SMZG3801BHE3/5B?

    • The typical operating voltage range is from 4.5V to 18V.

  5. Does the SMZG3801BHE3/5B require an external bootstrap diode?

    • No, the SMZG3801BHE3/5B has an integrated bootstrap diode, simplifying the design and reducing component count.

  6. What is the maximum output current capability of the SMZG3801BHE3/5B?

    • The maximum output current capability is typically up to 10A.

  7. Is the SMZG3801BHE3/5B suitable for automotive applications?

    • Yes, the SMZG3801BHE3/5B is suitable for automotive applications due to its wide input voltage range and over-temperature protection.

  8. What are the recommended operating conditions for the SMZG3801BHE3/5B?

    • The recommended operating conditions include a junction temperature range of -40°C to 150°C and a supply voltage within the specified range.

  9. Does the SMZG3801BHE3/5B have built-in protection features?

    • Yes, it includes over-temperature protection and undervoltage lockout to enhance system reliability.

  10. Are there any application notes or reference designs available for the SMZG3801BHE3/5B?

    • Yes, application notes and reference designs are available to assist with the implementation of the SMZG3801BHE3/5B in various technical solutions.