参数资料
型号: A6261KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 7/19页
文件大小: 0K
描述: IC LED ARRAY DVR 400MA 16-TSSOP
标准包装: 1
恒定电流:
拓扑: 线性(LDO),PWM
输出数: 4
内部驱动器:
类型 - 主要: 车载
类型 - 次要: 高亮度 LED(HBLED)
电源电压: 6 V ~ 50 V
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: 620-1360-6
A6261
It is important to note that because the A6261 is a linear regu-
lator, the maximum regulated current is limited by the power
dissipation and the thermal management in the application. All
current calculations assume adequate heatsinking for the dissi-
pated power. Thermal management is at least as important as the
electrical design in all applications. In high current high ambient
temperature applications the thermal management is the most
important aspect of the systems design. The application section
below provides further detail on thermal management and the
associated limitations.
Operation with Fewer LED Strings or Higher Currents
The A6261 may be configured to use fewer than four LED
Protected LED Array Driver
strings, either by connecting outputs together for higher cur-
rents, or by connecting the output directly to VIN to disable the
regulator for that output. When a regulator is disabled it will
not indicate an open load and will not affect the fault flag or the
operation of the remaining regulator outputs.
Sleep Mode
When EN is held low the A6261 will be in shutdown mode and
all sections will be in a low power sleep mode. The input current
will be typically less than 10 μ A. This means that the complete
circuit, including LEDs, may remain connected to the power sup-
ply under all conditions.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
7
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相关代理商/技术参数
参数描述
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A6262 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A6262 is a linear, programmable current regulator providing up to 100 mA from each of four outputs to drive arrays of high brightness LEDs.
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A6262KLYTR-T 功能描述:IC LED ARRAY DRIVER AUTO 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 特色产品:LM3445 TRIAC Dimmable LED Driver 标准包装:55 系列:PowerWise® 恒定电流:是 恒定电压:- 拓扑:PWM,降压(降压) 输出数:1 内部驱动器:无 类型 - 主要:- 类型 - 次要:高亮度 LED(HBLED) 频率:30kHz ~ 1MHz 电源电压:8 V ~ 12 V 输出电压:- 安装类型:表面贴装 封装/外壳:14-SOIC(0.154",3.90mm 宽) 供应商设备封装:14-SOICN 包装:管件 工作温度:-40°C ~ 125°C 产品目录页面:1285 (CN2011-ZH PDF) 其它名称:LM3445M
A6263 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Protected LED Array Driver