Datasheet > BL8585

BL8585

更新时间： 2024-11-14 12:50:51

品牌	Logo	应用领域
上海贝岭 - BELLING		驱动
页数	文件大小	规格书
6页	168K
描述
WIDE RANGE, LINEAR LED DRIVER

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BL8585 数据手册

BL8585

WIDE RANGE, LINEAR LED DRIVER

DESCRIPTION

FEATURES

The BL8585 is a high-voltage adjustable

current source with accurate temperature

compensation. The device is designed to

provide a constant current source determined

by an external sense resistor R_sense. The

current is adjustable from 10mA to 20mA

with less than 10% error while input changes

from 5V to 90V. With an external resistor (R1

in Figure 1) between VA and IS pin, the heat

in the IC can be significantly reduced while

keeping the summation of IC and R1 current

to be constant. This is extremely useful in the

area that power lines are not very stable. A

typical application for the BL8585 is to drive

LEDs with a constant current varies from 10-

20mA. They can also be used in parallel to

provide higher current according to the bias.

This device is available in TO-92 package.

 Wide operation range: from 5V to

90V(V_A-B

)

 TO-92 packages available

 I_LEDcan be programmed from 10mA to

20mA via changing R_sense

 Power dissipation can be adjusted

 Easy to use, only 3 pins and very little

external components are needed

 Can be paralleled for higher current

 Temperature compensated

APPLICATIONS

 Industrial lamp indicators

 LED driver

 Accent lighting

 Automotive

 Constant current source

 Constant current sink

PIN CONFIGURATIONS

TYPICAL APPLICATION CIRCUIT

BL8585

R_sense

{

LED

www.belling.com.cn

12 3 4 5 6

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