LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• Grounded Cathode LED Operation for Improved Thermal Management • 1.5-A High-Side Current Source for Single LED • Accurate and Programmable LED Current from 46.9 mA to 1.5 A • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Small Solution Size

文件：768.1 Kbytes 页数：38 Pages

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德州仪器

1.5A Synchronous Boost LED Flash Driver w/ High-Side Current Source

文件：1.16266 Mbytes 页数：31 Pages

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德州仪器

1.5A Synchronous Boost LED Flash Driver w/ High-Side Current Source

文件：138.63 Kbytes 页数：5 Pages

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德州仪器

Synchronous Boost LED Flash Driver With High-Side Current Source

文件：1.21668 Mbytes 页数：39 Pages

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德州仪器

LM3556 1.5A 感应式白光 LED 相机闪存器件

LM3556 是一款用于高电流白色 LED 的 4MHz 固定频率同步升压转换器及 1.5A 恒流驱动器。 高侧电流源支持 LED 阴极接地操作，提供的闪光灯电流最高可达 1.5A。自适应调节方法可确保电流源持续处于可调节状态，并且实现了效率最大化。LM3556 由一个兼容 I2C 的接口进行控制。 相关特性包括：支持由逻辑输入触发闪光灯脉冲的硬件闪光灯使能 (STROBE)、用于摄像模式或手电筒功能的硬件手电筒使能 (TORCH)、强制闪光灯脉冲进入低电流手电筒模式，从而与射频 (RF) 功率放大器事件或其他高电流状态同步的 Tx 输入，以及专用于监视 NTC 热敏电阻以及中断 LED 电流 • 支持发光二极管 (LED) 阴极接地操作来改进热管理\n• 精确的可编程 LED 电流范围为 46.9mA 到 1.5A\n• 小型解决方案尺寸：2\n• 用于保护电池的软启动操作\n• 硬件手电筒使能\n• 针对射频 (RF) 功率放大器脉冲事件的同步输入\n• 400kHz I2C 兼容接口\n• 0.4mm 间距、16 引脚芯片尺寸球状引脚栅格阵列 (DSBGA) 封装;

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德州仪器

丝印：D36；Package：DSBGA；LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• Grounded Cathode LED Operation for Improved Thermal Management • 1.5-A High-Side Current Source for Single LED • Accurate and Programmable LED Current from 46.9 mA to 1.5 A • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Small Solution Size

文件：768.1 Kbytes 页数：38 Pages

TI

德州仪器

丝印：D36；Package：DSBGA；LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• Grounded Cathode LED Operation for Improved Thermal Management • 1.5-A High-Side Current Source for Single LED • Accurate and Programmable LED Current from 46.9 mA to 1.5 A • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Small Solution Size

文件：768.1 Kbytes 页数：38 Pages

TI

德州仪器

丝印：D36；Package：DSBGA；LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• Grounded Cathode LED Operation for Improved Thermal Management • 1.5-A High-Side Current Source for Single LED • Accurate and Programmable LED Current from 46.9 mA to 1.5 A • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Small Solution Size

文件：768.1 Kbytes 页数：38 Pages

TI

德州仪器

丝印：D36；Package：DSBGA；LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• Grounded Cathode LED Operation for Improved Thermal Management • 1.5-A High-Side Current Source for Single LED • Accurate and Programmable LED Current from 46.9 mA to 1.5 A • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Small Solution Size

文件：768.1 Kbytes 页数：38 Pages

TI

德州仪器

1.5A Synchronous Boost LED Flash Driver w/ High-Side Current Source

文件：1.16266 Mbytes 页数：31 Pages

TI

德州仪器