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TOP260LG
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TOP260LG

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, low standby power, integrated protection features
Package: TO-220
Essence: Efficient power management
Packaging/Quantity: Tube/50 units

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Voltage: 5V
  • Output Current: 3A
  • Standby Power: <30mW
  • Efficiency: >85%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VDD
  2. GND
  3. FB
  4. COMP
  5. SS/UVLO
  6. CS
  7. RT/CLK
  8. DRAIN

Functional Features

  • Integrated MOSFET
  • Frequency jittering for improved EMI performance
  • Over-temperature protection
  • Over-voltage and under-voltage lockout
  • Soft-start and shutdown

Advantages

  • High efficiency
  • Wide input voltage range
  • Integrated protection features
  • Low standby power consumption

Disadvantages

  • Relatively high cost compared to non-integrated solutions
  • Limited output current compared to some competing models

Working Principles

The TOP260LG is a flyback switching regulator that utilizes primary-side control to achieve high efficiency and low standby power. It integrates the MOSFET, reducing external component count and simplifying design.

Detailed Application Field Plans

The TOP260LG is suitable for various applications including: - AC/DC power supplies - LED lighting - Home appliances - Industrial equipment

Detailed and Complete Alternative Models

  1. TOP261LG: Higher output current version of TOP260LG
  2. TOP259LG: Lower output current version with similar features
  3. LM2576: Non-isolated buck regulator alternative

In conclusion, the TOP260LG is a versatile power management IC suitable for various applications requiring efficient voltage regulation. Its integrated features and wide input voltage range make it an attractive choice for designers seeking reliable and compact power solutions.

10个与TOP260LG在技术解决方案中的应用相关的常见问题及解答

  1. What is the TOP260LG?

    • The TOP260LG is a highly integrated, energy-efficient, off-line switcher IC designed for low-power applications.

  2. What are the key features of the TOP260LG?

    • The TOP260LG features include an integrated 725 V MOSFET, frequency jittering for low EMI, and a built-in EcoSmart technology for low standby power consumption.

  3. What are the typical applications of the TOP260LG?

    • The TOP260LG is commonly used in AC/DC power supplies for appliances, industrial controls, smart meters, and LED lighting.

  4. What is the maximum output power supported by the TOP260LG?

    • The TOP260LG can support up to 15 W output power in universal input voltage applications.

  5. How does the frequency jittering feature benefit the application?

    • Frequency jittering reduces EMI emissions, simplifies EMI filter design, and helps achieve low system cost.

  6. What is the efficiency of the TOP260LG in typical applications?

    • The TOP260LG can achieve high efficiency, typically over 85%, in various load conditions.

  7. Does the TOP260LG have built-in protection features?

    • Yes, the TOP260LG includes comprehensive protection features such as over-temperature protection, overvoltage protection, and cycle-by-cycle current limit.

  8. Can the TOP260LG operate in a wide input voltage range?

    • Yes, the TOP260LG can operate in a wide input voltage range from 85 VAC to 265 VAC.

  9. Is the TOP260LG suitable for compact designs?

    • Yes, the TOP260LG's integration and small form factor make it suitable for compact and space-constrained designs.

  10. Are there reference designs or application notes available for the TOP260LG?

    • Yes, there are reference designs and application notes available to assist in the implementation of the TOP260LG in various technical solutions.