High Efficiency Boost LDO Converter & High Power White LED Driver

General Description The RT9278 is a compact, high efficiency, synchronous step-up converter, it provides a power supply solution for products powered by either two-cell, three-cell Alkaline/NiMH or one-cell Li-Ion/Li-polymer battery. Features • 95Efficiency Synchronous Boost Converter • High S

文件：205.53 Kbytes 页数：13 Pages

RichTek

立锜科技

同步升压型 DC/DC 转换器 + 线性控制器

RT9278 是一款高效率的同步升压转换器，为采用2~3节碱性/镍氢电池或单节锂离子/聚合物电池的设备提供了一个很好的电源解决方案。它的 Boost 转换器采用了 PWM 控制环路和同步整流器，可提供高达95%的效率，内部开关的峰值电流限制是2A，在输入电压超过设定的输出电压时仍能将输出电压稳定在设定值上。它的输出电压可由外部电阻分压器进行设定，也可选择恒定电压的版本以减少外部元件。它集成了一个线性控制器以实现线性稳压。RT9278的封装是 VDFN-10L 3x3。 • 效率高达95%的同步升压转换器\n• 开关电流限制为 2A\n• 600kHz 恒定工作频率\n• 可在输入电压超过输出电压设定值时保持输出电压稳定\n• 使用外部补偿网络\n• 有过热保护功能\n• 符合 RoHS 规范，100%无铅封装;

Richtek

立锜科技

High Efficiency Boost LDO Converter & High Power White LED Driver

General Description The RT9278 is a compact, high efficiency, synchronous step-up converter, it provides a power supply solution for products powered by either two-cell, three-cell Alkaline/NiMH or one-cell Li-Ion/Li-polymer battery. Features • 95Efficiency Synchronous Boost Converter • High S

文件：205.53 Kbytes 页数：13 Pages

RichTek

立锜科技

High Efficiency Boost LDO Converter & High Power White LED Driver

General Description The RT9278 is a compact, high efficiency, synchronous step-up converter, it provides a power supply solution for products powered by either two-cell, three-cell Alkaline/NiMH or one-cell Li-Ion/Li-polymer battery. Features • 95Efficiency Synchronous Boost Converter • High S

文件：205.53 Kbytes 页数：13 Pages

RichTek

立锜科技

Package：10-VFDFN 裸露焊盘；包装：管件 类别：集成电路（IC） LED 驱动器 描述：IC LED DRIVER RGLTR 2A 10VDFN

Richtek USA Inc.