LTM8040

所属类别：LED驱动
产品名称：36V、1A μModule LED 驱动器和电流源
厂商：LT
生产批号：11+
封装：LGA
库存状态：有库存
库存量：50000
最低订购量：1
详细资料：

Product Introduction

LTM804036V, 1A μModuleLED driver, and current source

peculiarity

True Color PWM^TMConstant color and a dimming ratio of 250:1 are provided

宽输入范围：4V 至 36V

高达 1A 的 LED 电流

LED 电流的可调控制

在 35mA 至 1A 的宽电流范围内保持了高输出电流准确度

开路 LED 和短路保护

接地 LED 负极连接

小占板面积、扁平 (15mm x 9mm x 4.32mm) 表面贴装型 LGA 封装
description

LTM^®8040 是一款固定频率 1A 降压型 DC/DC μModule®Voltage regulator，专为用作一个恒定电流源而设计。内部电路负责监视输出电流，以提供准确的电流调节，这非常适合于驱动高电流 LED。高输出电流准确度在一个很宽的电流范围内 (从 35mA 至 1A) 得以保持，因而在 2.5V 至 13V 的输出电压范围内实现了一个宽调光范围。独特的 PWM 电路提供了一个 250:1的调光比，从而消除了采用 LED 电流调光时所常见的色偏现象。

凭借其 4V 至 36V 的宽输入范围，LTM8040 可调节各种各样的电源，包括四节电池和5V 逻辑电源轨、未调整的墙上适配器、铅酸电池和分布式电源等等。

LTM8040 采用耐热增强型的紧凑 (15mm x 9mm x 4.32mm) 模压树脂焊盘网格阵列 (LGA) 封装，适合采用标准的表面贴装设备来进行自动化装配。LTM8040 是无铅型器件，并符合 RoHS 标准。

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汽车和航空电子设备照明

建筑物细部照明

显示器背面照明

恒定电流源

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LTM8040

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