Datasheet > BCR431U

BCR431U

更新时间： 2024-01-03 09:48:05

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动晶体管驱动器
页数	文件大小	规格书
11页	292K
描述
英飞凌的 BCR431U 是低压差线性 LED 驱动器 IC，它采用了小体积的SOT23-6 封装，并且可以在不连接外部功率晶体管的情况下，独立完成LED 恒定电流的调节和控制。该产品适用于驱动高达 37mA 的LED应用，同时该IC 的可工作电压范围为 6V 到 42V。LED 驱动电流的大小可以通过调整连接在RS 引脚的高阻抗电阻 Rset来实现。在LED 驱动电流为37mA的情况下，IC 内部集成的LED 驱动电路最大压降仅为200mV，这不仅极大地提高了整体系统的效率，还可以提供额外的电压裕度，以补偿 LED 正向电压和电源电压的容差。由于该IC内部集成了智能温度控制电路，所以当BCR431U的结温非常高时，系统会自动降低 LED 驱动电流，这样就减低了系统因为驱动电流过高而导致温升过高的风险。

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Edition 2020-03-03

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IMPORTANT NOTICE

WARNINGS

The information given in this document shall in no

event be regarded as a guarantee of conditions or

characteristics (“Beschaﬀenheitsgarantie”) .

With respect to any examples, hints or any typical values

stated herein and/or any information regarding the

application of the product, Infineon Technologies

hereby disclaims any and all warranties and liabilities of

any kind, including without limitation warranties of

non-infringement of intellectual property rights of any

third party.

In addition, any information given in this document is

subject to customer’s compliance with its obligations

stated in this document and any applicable legal

requirements, norms and standards concerning

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Infineon Technologies in customer’s applications.

Due to technical requirements products may contain

dangerous substances. For information on the types

in question please contact your nearest Infineon

Technologies oﬀice.

Except as otherwise explicitly approved by Infineon

Technologies in a written document signed by

authorized representatives of Infineon Technologies,

Infineon Technologies’ products may not be used in

any applications where a failure of the product or

any consequences of the use thereof can reasonably

be expected to result in personal injury

Infineon Technologies AG

81726 Munich, Germany

2020 Infineon Technologies AG

Do you have a question about any

aspect of this document?

Email: erratum@infineon.com

Document reference

IFX-jwu1549524732233

The data contained in this document is exclusively

intended for technically trained staﬀ. It is the

responsibility of customer’s technical departments to

evaluate the suitability of the product for the intended

application and the completeness of the product

information given in this document with respect to such

application.

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