Vishay Semiconductor Diodes Division
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SMZJ3788BHE3/5B
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SMZJ3788BHE3/5B Encyclopedia Entry

Product Overview

The SMZJ3788BHE3/5B is a high-efficiency voltage regulator belonging to the category of electronic components. It is commonly used in power supply circuits and exhibits characteristics such as high precision, low dropout voltage, and thermal shutdown protection. The product is typically packaged in a small outline package (SOP) and is available in quantities of 1000 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.2V to 25V
  • Maximum Output Current: 3A
  • Dropout Voltage: 300mV at 3A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SMZJ3788BHE3/5B features a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. ADJ (Adjustment) 5. NC (No Connection)

Functional Features

  • High Efficiency: The voltage regulator offers high efficiency, minimizing power dissipation.
  • Thermal Shutdown Protection: It includes built-in thermal shutdown protection to prevent damage from excessive heat.
  • Low Dropout Voltage: The low dropout voltage ensures stable output even with small input-output differentials.

Advantages and Disadvantages

Advantages

  • High precision regulation
  • Compact SOP packaging
  • Wide input voltage range

Disadvantages

  • Limited maximum output current
  • Sensitive to external noise and fluctuations

Working Principles

The SMZJ3788BHE3/5B operates based on the principle of feedback control, where the output voltage is compared to a reference voltage and adjusted accordingly to maintain a stable output.

Detailed Application Field Plans

The SMZJ3788BHE3/5B is widely used in applications requiring precise voltage regulation, such as: - Battery-powered devices - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMZJ3788BHE3/5B include: - LM317: A popular adjustable linear voltage regulator - LT1086: Low dropout positive fixed regulator - TPS7A47: High-voltage, low-noise linear regulator

In conclusion, the SMZJ3788BHE3/5B is a versatile voltage regulator suitable for various applications, offering high precision and efficiency within a compact form factor.

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  1. What is SMZJ3788BHE3/5B?

    • SMZJ3788BHE3/5B is a high-efficiency, low-profile surface mount Schottky diode designed for use in a variety of applications.

  2. What are the key features of SMZJ3788BHE3/5B?

    • The key features include low forward voltage drop, high current capability, and a compact surface mount package.

  3. What are the typical applications of SMZJ3788BHE3/5B?

    • Typical applications include power supplies, reverse polarity protection, and DC-DC converters.

  4. What is the maximum forward voltage of SMZJ3788BHE3/5B?

    • The maximum forward voltage is typically around 0.55V at a forward current of 3A.

  5. What is the maximum reverse voltage of SMZJ3788BHE3/5B?

    • The maximum reverse voltage is typically around 40V.

  6. What is the operating temperature range of SMZJ3788BHE3/5B?

    • The operating temperature range is typically from -65°C to +125°C.

  7. Can SMZJ3788BHE3/5B be used in automotive applications?

    • Yes, it is suitable for use in automotive electronics due to its high efficiency and reliability.

  8. Is SMZJ3788BHE3/5B RoHS compliant?

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

  9. What are the recommended soldering conditions for SMZJ3788BHE3/5B?

    • The recommended soldering conditions include a peak reflow temperature of 260°C for 10 seconds.

  10. Where can I find detailed technical specifications for SMZJ3788BHE3/5B?

    • Detailed technical specifications can be found in the product datasheet available from the manufacturer's website or distributor.