TOP250R

有效庫存6,980

The TOP250R is a highly efficient integrated power switch controller for offline power conversion applications.

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TOP250R 數據表

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詳細說明

The TOP250R is a highly efficient, integrated switcher for off-line power conversion applications. It is designed for applications that require high efficiency, compact size, and low standby power consumption. The TOP250R is an advanced version of the TOPSwitch family of ICs, featuring built-in energy-saving features such as frequency reduction at light loads and auto-restart protection in the event of a fault condition. The TOP250R features a fully integrated PWM controller, high voltage power MOSFET, and ON/OFF control circuitry in a single package, making it ideal for a wide range of power supply designs. It operates in a flyback topology and can provide output power levels of up to 120W. The device also includes features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe and reliable operation. In terms of applications, the TOP250R is commonly used in LED lighting, home appliances, industrial power supplies, and other off-line power conversion systems. Its high efficiency and energy-saving features make it a popular choice for environmentally conscious designs.

主要特徵

  • Maximum Rated Load Capacity: 2500kg
  • Maximum Lift Height: 2500mm
  • Advanced safety features
  • Compact design for tight spaces
  • Easy to operate controls
  • Durable construction for long-term use
  • Smooth and efficient lifting action

應用

  • Automotive industry
  • Aerospace and defense
  • Energy production
  • Manufacturing
  • Medical equipment
  • Consumer electronics
  • Telecommunications
  • Research and development
  • Food and beverage industry
  • Environmental monitoring

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Manufacturer Artesyn Product Category ! AC DC Converters, Offline Switchers

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。

初步規格 TOP250R PDF 下載

常見問題解答

What is TOP250R?

The TOP250R is a monolithic high-voltage switcher IC (integrated circuit) designed by Power Integrations. It is commonly used in offline power conversion applications, such as AC-DC power supplies, LED drivers, and industrial power systems.

How Does TOP250R Work?

The TOP250R functions as a high-voltage switcher by converting AC input voltage to a regulated DC output voltage. It utilizes a pulse frequency modulation (PFM) control scheme to regulate the output voltage efficiently. The IC incorporates protection features such as overcurrent protection and thermal shutdown for reliable operation.

How Many Pins does TOP250R have and What are the Functions of the Pinout Configuration?

The TOP250R is housed in a 7-pin TO-220 package. The pinout configuration includes:

  • Vin: Input voltage pin.
  • Vout: Output voltage pin.
  • FB: Feedback pin for output voltage regulation.
  • GND: Ground pin.
  • EN/UV/OVP: Enable, undervoltage lockout, and overvoltage protection pin.
  • BP/MODE: Burst mode control pin.
  • Src/RTN: Primary bias winding source and return pin.

What are the Pros and Cons of TOP250R?

Pros:

  • High Voltage Capability: Suitable for offline power applications with high input voltages.
  • Efficiency: Utilizes PFM control for efficient power conversion.
  • Protection Features: Includes overcurrent protection and thermal shutdown for system reliability.
  • Compact Package: Housed in a TO-220 package for easy mounting and heat dissipation.
  • Versatility: Suitable for various power supply and LED driver designs.

Cons:

  • External Components: May require external components for specific applications and optimum performance.
  • Complexity: Requires careful design consideration for proper operation and efficiency.
  • Heat Dissipation: Heat sink may be necessary for high-power applications to manage heat.

Are There Any Equivalents/Alternatives to TOP250R for Recommendation?

  • Alternatives to the TOP250R include the STMicroelectronics L6562A and the ON Semiconductor NCP81074.
  • Comparable parts to the TOP250R are the Fairchild Semiconductor FSCQ1265RT and the Infineon ICE3BS02LJG.

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