AP3418

Voltage converter
7,417 有效庫存

AP3418

有效庫存7,417

Voltage converter

  • 製造商零件號 # : AP3418

  • 包裝/封裝: SOT25

  • 製造商: DIODES

  • 產品分類 : AC DC Converters, Offline Switches

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AP3418 數據表
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詳細說明

The AP3418 is a high-performance, synchronous rectified step-down DC/DC converter with integrated high-side and low-side power MOSFETs. It is designed for a wide range of applications, including industrial, consumer, and automotive systems that require efficient power management. This component operates over a wide input voltage range of 4.5V to 24V and can deliver an output current of up to 3A. It features a fixed frequency PWM control scheme, which helps to achieve high efficiency and stable output voltage regulation. The AP3418 also has built-in protection features such as overcurrent protection, thermal shutdown, and input undervoltage lockout to ensure reliable operation under various operating conditions. The device is available in a compact and thermally enhanced package, making it suitable for space-constrained applications. Additionally, it offers a programmable soft-start function to minimize inrush currents during startup, which helps to reduce stress on the components and improve system reliability.

主要特徵

  • High-efficiency synchronous rectified step-down controller
  • Wide input voltage range from 4.5V to 24V
  • Adjustable output voltage from 0.6V to 5.5V
  • Internal soft-start and soft-stop circuitry
  • Overcurrent and thermal protection
  • Small footprint QFN package

應用

  • LED backlighting for LCD displays
  • Automotive interior lighting
  • General illumination for residential and commercial spaces
  • Architectural lighting
  • Industrial lighting
  • Outdoor lighting
  • Emergency lighting systems
  • Task lighting for workspaces
  • Entertainment lighting
  • Medical lighting applications
DIODES Inventory

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 AP3418 PDF 下載

常見問題解答

What is AP3418?

The AP3418 is a high-efficiency, synchronous, step-down DC-DC converter designed by Diodes Incorporated. It is ideal for applications requiring efficient power conversion, such as battery-powered devices, networking equipment, and industrial automation systems.

How Does AP3418 Work?

The AP3418 works by efficiently stepping down input voltage to a lower regulated output voltage, delivering power to the load with minimal power loss. It utilizes synchronous rectification to achieve high efficiency and features integrated switches for compact design and ease of use.

How Many Pins does AP3418 have and What are the Functions of the Pinout Configuration?

The AP3418 is housed in a 6-pin SOT23 package. The pinout configuration includes:

  • SW: Switch node for inductor connection.
  • GND: Ground connection.
  • FB: Feedback pin for output voltage regulation.
  • EN: Enable pin for turning the converter on and off.
  • VIN: Input voltage pin.
  • VOUT: Output voltage pin.

What are the Pros and Cons of AP3418?

Pros:

  • High Efficiency: Provides high efficiency for power-sensitive applications.
  • Low Power Loss: Minimizes power loss during voltage conversion, reducing heat generation.
  • Compact Package: The 6-pin SOT23 package is space-efficient, suitable for compact designs.
  • Wide Input Voltage Range: Supports a wide input voltage range for versatile application scenarios.
  • Synchronous Rectification: Utilizes synchronous rectification for improved efficiency.

Cons:

  • External Components: May require additional external components for specific application requirements.
  • Complexity: Requires careful consideration of layout and component selection for optimal performance.
  • Thermal Management: Needs proper thermal management for high-power applications.

Are There Any Equivalents/Alternatives to AP3418 for Recommendation?

  • The MP2307 from MPS (Monolithic Power Systems) is a similar high-efficiency step-down converter.
  • Alternatives to the AP3418 include the LM2675 from Texas Instruments and the LT1763 from Analog Devices.

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