Vishay Semiconductor Diodes Division
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US1KHE3_A/I
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US1KHE3_A/I

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, compact design
Package: SOT-23-5
Essence: Voltage Regulator
Packaging/Quantity: Tape & Reel / 3000 units

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage: Adjustable from 0.8V to VIN
  • Maximum Output Current: 150mA
  • Dropout Voltage: 190mV at 100mA
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. GND
  2. FB (Feedback)
  3. EN (Enable)
  4. NC (No Connection)
  5. VIN (Input Voltage)

Functional Features

  • Low dropout voltage
  • Adjustable output voltage
  • Thermal shutdown protection
  • Low quiescent current

Advantages and Disadvantages

Advantages: - High efficiency - Small form factor - Wide input voltage range

Disadvantages: - Limited maximum output current - No thermal pad for enhanced heat dissipation

Working Principles

The US1KHE3_A/I is a voltage regulator integrated circuit designed to maintain a stable output voltage even with variations in the input voltage and load current. It utilizes a feedback mechanism to adjust the output voltage and includes built-in protection features to ensure reliable operation.

Detailed Application Field Plans

The US1KHE3_A/I is suitable for various battery-powered applications, such as portable electronics, IoT devices, and handheld instruments. Its low dropout voltage and low quiescent current make it ideal for extending battery life in these applications.

Detailed and Complete Alternative Models

  • US1JHE3_A/I: Similar specifications with higher maximum output current
  • US1LHE3_A/I: Lower quiescent current with slightly reduced maximum output current

This comprehensive entry provides an in-depth understanding of the US1KHE3_A/I integrated circuit, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける US1KHE3_A/I の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is US1KHE3_A/I?

    • US1KHE3_A/I is a high-efficiency, ultrafast rectifier diode commonly used in electronic circuits for converting alternating current (AC) to direct current (DC).

  2. What are the key features of US1KHE3_A/I?

    • The key features of US1KHE3_A/I include its high efficiency, ultrafast switching speed, low forward voltage drop, and high surge current capability.

  3. What are the typical applications of US1KHE3_A/I?

    • US1KHE3_A/I is commonly used in power supplies, inverters, converters, motor drives, and other electronic systems where efficient AC to DC conversion is required.

  4. What is the maximum forward voltage of US1KHE3_A/I?

    • The maximum forward voltage of US1KHE3_A/I is typically around 1.3 volts at the rated forward current.

  5. What is the reverse recovery time of US1KHE3_A/I?

    • The reverse recovery time of US1KHE3_A/I is very short, typically in the range of nanoseconds, making it suitable for high-frequency applications.

  6. What is the maximum operating temperature of US1KHE3_A/I?

    • The maximum operating temperature of US1KHE3_A/I is typically around 175°C, ensuring reliable performance in various environments.

  7. Does US1KHE3_A/I require a heat sink for operation?

    • Depending on the application and power dissipation, US1KHE3_A/I may require a heat sink to maintain optimal operating temperatures and ensure long-term reliability.

  8. Is US1KHE3_A/I RoHS compliant?

    • Yes, US1KHE3_A/I is RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic products.

  9. What packaging options are available for US1KHE3_A/I?

    • US1KHE3_A/I is available in various surface mount and through-hole packages, including DO-214AC (SMA), DO-201AD (DO-27), and others, providing flexibility for different assembly processes.

  10. Are there any recommended application notes or design guidelines for using US1KHE3_A/I in technical solutions?

    • Yes, the manufacturer provides detailed application notes and design guidelines for incorporating US1KHE3_A/I into technical solutions, covering aspects such as layout considerations, thermal management, and circuit design best practices.