Datasheet > BCR402RE6327HTSA1

BCR402RE6327HTSA1

更新时间： 2024-01-26 01:33:01

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动光电二极管接口集成电路
页数	文件大小	规格书
8页	88K
描述
LED Driver, 1-Segment, PDSO4, ROHS COMPLIANT, SOT-143R, 4 PIN

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BCR402RE6327HTSA1 技术参数

BCR402R

Standard Application Circuit:

Application Circuit:

supply voltages >18V

+Vs

Vsupply

BCR 402R

Rext

Vdrop

I_OUT+ I_DRIVER

LEDs

Rsense

(optional)

BCR401R

BCR402R

Rext

Iout

GND

I_DRIVER

I_OUT

LEDs

Application hints

BCR402R serves as an easy to use constant current source for LEDs. In stand alone

application an external resistor can be connected to adjust the current from 20 mA to 60 mA.

Rext can be determined by using the diagram 'Output current versus external resistor',

or by refering to diagram 'Output current versus reference voltage'. Look for your desired

output current on the y axis and read out the corresponding Vdrop. Calculate Rext:

Rext = Vdrop / (Iout -(Vdrop/Rint))

Please take into account that the resulting output currents will be slightly lower due to the

self heating of the component and the negative thermal coefficient.

Please visit our web site for application notes: www.infineon.com/lowcostleddriver

• AN066 explains the basic concept

• AN077 gives hints to thermal design

2009-11-13

1...3 4 567 8

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