TOP247F

Compact TO-262 package with 7/6 pin configuration
6,886 有效庫存

TOP247F

有效庫存6,886

Compact TO-262 package with 7/6 pin configuration

  • 製造商零件號 # : TOP247F

  • 包裝/封裝: TO-262-7 (Formed Leads)

  • 製造商: Power Integrations

  • 產品分類 : AC DC Converters, Offline Switches

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TOP247F 數據表
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詳細說明

The TOP247F is a cutting-edge offline switcher IC that is revolutionizing the world of universal input AC/DC power supplies. This highly integrated device boasts a 700V power MOSFET, a high voltage switched current source, and advanced PWM control circuitry. It is engineered to deliver exceptional performance and reliability in a wide range of applications

主要特徵

  • Micropower consumption at light load
  • Precision current limiting for safe operation
  • Rapid transient response for high performance
  • Robust fault tolerance for reliable data transfer

應用

  • For appliances
  • LED lighting
  • Power supplies

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。

Series TOPSwitch®-GX Package Bulk
Product Status Obsolete Output Isolation Isolated
Internal Switch(s) Yes Voltage - Breakdown 700V
Topology Flyback Duty Cycle ! 66.5%
Frequency - Switching 66kHz ~ 132kHz Power (Watts) 165 W
Fault Protection ! Current Limiting, Over Temperature, Over Voltage Control Features Frequency Control
Operating Temperature ! -40°C ~ 150°C (TJ) Package / Case TO-262-7 (Formed Leads), 6 Leads
Supplier Device Package TO-262-7C Mounting Type Through Hole
Base Product Number TOP247

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 TOP247F PDF 下載

常見問題解答

What is TOP247F?

The TOP247F is a family of integrated off-line switcher ICs designed by Power Integrations. These devices are ideal for off-line power conversion applications, offering high efficiency, integrated protection features, and a compact design. The TOP247F series is commonly used in power supplies for consumer electronics, home appliances, and industrial equipment.

How Does TOP247F Work?

The TOP247F works by converting input AC voltage to a regulated DC output using a flyback converter topology. It integrates a power MOSFET, control circuitry, and safety features to provide a complete solution for off-line power supply designs. The IC operates at high frequencies to enable the use of smaller and lighter transformers, contributing to compact and efficient power supply designs.

How Many Pins does TOP247F have and What are the Functions of the Pinout Configuration?

The TOP247F is housed in a 7-pin eSIP (extended Small-Outline Integrated Circuit Package) or eDIP (extended Dual In-line Package) package. The pinout configuration includes:

  • Vin: Input voltage pin.
  • Vstr: Voltage sense and startup bias pin.
  • Bp/M: Burst mode and frequency control pin.
  • Fb: Feedback pin for output voltage regulation.
  • Gnd: Ground pin.
  • D: Drain pin for the internal power MOSFET.
  • B: Bipolar junction transistor (BJT) output for secondary-side control and biasing.

What are the Pros and Cons of TOP247F?

Pros:

  • Integrated Design: Combines a power MOSFET, control circuitry, and protection features in a single package.
  • High Efficiency: Enables energy-efficient power supply designs.
  • Compact Size: The integrated design and high-frequency operation allow for compact and lightweight power supplies.
  • Built-in Protection: Includes built-in features such as overcurrent protection, thermal shutdown, and auto-restart for enhanced reliability and safety.
  • Wide Application Range: Suitable for a wide range of off-line power conversion applications.

Cons:

  • Complexity: May require careful consideration of layout and thermal management due to high-frequency operation.
  • External Components: Some designs may require additional external components such as an optocoupler and output diode for specific applications.
  • Thermal Considerations: Heat dissipation and thermal management are important factors for reliable operation.

Are There Any Equivalents/Alternatives to TOP247F for Recommendation?

  • The TOP248Y from Power Integrations is a similar off-line switcher IC with different feature sets.
  • Alternatives to the TOP247F include the FSL206MR from Fairchild Semiconductor and the ICE3BR4765J from Infineon Technologies.

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