ON Semiconductor
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SZ1SMA5945BT3G

SZ1SMA5945BT3G

Product Overview

Category: Semiconductor
Use: Voltage regulator
Characteristics: High efficiency, low dropout voltage
Package: SMA package
Essence: Regulates voltage in electronic circuits
Packaging/Quantity: 500 units per reel

Specifications

  • Input Voltage: 4.5V to 18V
  • Output Voltage: 3.3V
  • Dropout Voltage: 0.5V at 1A
  • Maximum Output Current: 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SZ1SMA5945BT3G has three pins: 1. Input (IN) 2. Ground (GND) 3. Output (OUT)

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit current limiting
  • Reverse polarity protection

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Small package size

Disadvantages: - Limited maximum output current

Working Principles

The SZ1SMA5945BT3G regulates the output voltage by comparing it to a reference voltage and adjusting the pass element to maintain a stable output.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

  1. LM2937-3.3
  2. MIC5205-3.3YM5
  3. LT1761ES5-3.3

In conclusion, the SZ1SMA5945BT3G is a versatile voltage regulator with high efficiency and a wide input voltage range, making it suitable for a variety of electronic applications.

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기술 솔루션에 SZ1SMA5945BT3G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the SZ1SMA5945BT3G?

    • The SZ1SMA5945BT3G is a 5.0 V, 1.5 kW Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of the SZ1SMA5945BT3G?

    • The key features include a peak power dissipation of 1500 W, low clamping voltage, fast response time, and compatibility with various industrial and consumer electronic applications.

  3. How does the SZ1SMA5945BT3G protect electronic circuits?

    • The SZ1SMA5945BT3G diverts excessive current away from sensitive components during transient voltage events, thereby preventing damage to the circuitry.

  4. In what applications can the SZ1SMA5945BT3G be used?

    • The SZ1SMA5945BT3G is commonly used in power supplies, communication systems, automotive electronics, and industrial equipment to safeguard against voltage surges.

  5. What is the operating voltage range of the SZ1SMA5945BT3G?

    • The SZ1SMA5945BT3G has an operating voltage range from 6.8 V to 7.6 V, making it suitable for various voltage protection requirements.

  6. What is the typical junction capacitance of the SZ1SMA5945BT3G?

    • The typical junction capacitance of the SZ1SMA5945BT3G is 370 pF, which is important for high-speed data line protection applications.

  7. Does the SZ1SMA5945BT3G meet any industry standards?

    • Yes, the SZ1SMA5945BT3G complies with the industry-standard JEDEC registered package outline.

  8. Can the SZ1SMA5945BT3G be used for surge protection in outdoor environments?

    • Yes, the SZ1SMA5945BT3G is suitable for outdoor applications due to its ability to withstand harsh environmental conditions and lightning-induced surges.

  9. What is the recommended operating temperature range for the SZ1SMA5945BT3G?

    • The SZ1SMA5945BT3G is designed to operate within a temperature range of -55°C to 150°C, ensuring reliability in various operating environments.

  10. Are there any application notes or reference designs available for using the SZ1SMA5945BT3G?

    • Yes, application notes and reference designs are available from the manufacturer to assist in the proper implementation of the SZ1SMA5945BT3G in technical solutions.