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iW3640数据手册Renesas中文资料规格书

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厂商型号

iW3640

功能描述

Flickerless™ 25W Dual-Channel Solid-State Lighting LED Driver for Color Corrected, Sunset Dimming Applications

制造商

Renesas Renesas Technology Corp

中文名称

瑞萨 瑞萨科技有限公司

数据手册

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更新时间

2025-8-6 22:30:00

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iW3640规格书详情

描述 Description

The iW3640 is a highly integrated LED driver for off-line, sunset dimming solid-state lighting (SSL) applications up to 25W. With a dual-driver output, the iW3640 allows for additional amber LEDs to be used in parallel with the main white LEDs, providing LED color mixing to create a dimming profile that accurately recreates the warmth of incandescent dimming all in a single controller IC. By integrating the secondary driver and using the digital engine to control the transitions, the iW3640 removes the cost of an external MCU and its dedicated power supply and provides an easy-to-use solution.

With Flickerless™ technology integrated, the iW3640 allows for full 1% to 100%, flicker-free phase-cut dimming while working with most dimmer types, including leading-edge, trailing-edge and digital dimmers. The device is fully featured and with its two-stage approach, offers a powerful combination of high power factor (>0.95), low THD (<15%) and low ripple voltage (<20%).

The iW3640 is fully protected, including a built-in over-temperature protection derating feature that monitors an external NTC device and scales back the output LED current at high temperatures, permitting reliable and predictable operating life for LED luminaires.

特性 Features

• 2-Channel, Sunset Dimming SSL LED Driver: 25W Output Power
• Low BOM Cost – No MCU or Its Dedicated Power Supply
• PrimAccurate™ Isolated Off-Line Controller
• Eliminates Secondary-Side Regulator and Optical Feedback Isolator

应用 Application

• 25W Dimmable Solid State Lighting Retrofit Lamps
• Warm Lighting/Sunset Lighting Dimmable Luminaires and LED Ballasts

技术参数

  • 制造商编号

    :IW3640

  • 生产厂家

    :Renesas

  • Application

    :Solid State Lighting

  • Pkg. Type

    :SOIC-14

  • Lead Count (#)

    :14

  • Output Power Max (W)

    :25

  • Switching Frequency (KHz)

    :200

  • No Load Power (mW)

    :300

  • Optimal VIN (V)

    :90 - 130

  • Stages

    :Two-Stage

  • Dim Range (Min) (%)

    :1

  • Dim Range (Max) (%)

    :100

  • Dimming Frequency (Hz)

    :630

  • Controller / Integrated

    :Controller

  • Key Features

    :Dual Output

  • Protection Features

    :IOVP

  • Peak Efficiency (%)

    :85

  • Dimmer Functions Supported

    :Digital Dimmer

  • Pass Device

    :FET

  • Power Factor Correction

    :>0.95

  • LED Current Accuracy (%)

    :5

  • Output Power (Min) (W)

    :8

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24+
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