1安培，可调光降压式LED驱动芯片

\nMBI6657为高效率、恒电流、降压型直流对直流输换器，仅须透过5个外接组件即可为大电流的LED照明提供稳定之电流。MBI6657的Hysteretic PFM模式操作无须额外补偿器设计，可简化电路设计。\nMBI6657的输出电流可透过不同阻值的外接电阻来调整输出电流大小，也可利用脉宽调变(Pulse Width Modulation, PWM)来进行调光控制。此外，MBI6657也提供了模拟调光，让用户可以透过直流电压调变(DC voltage controlled)得到高效率且高线性度的电流输出。 \nMBI6657 的特色还包括一系列完整的芯片保护装置。启动过流保护装置(Start ·01 Max. Sustaining Voltage ：40V \n·02 Constant Output Current Per Channel ：1A(max.)\n·03 Topology ：Buck/ Hysetersis PFM\n·04 Supply Voltage ：6~40V \n·05 Switch ON Resistance(Typ.) ：0.25 ohm \n·06 Dimming Method ：Digital/ Analog \n·07 External Components Required ：5 \n·08 Error Detection ：\n·09 Ther;

Macroblock

聚积科技

Step-Down, 1.2A Dimmable LED Driver for Automotive Lighting

MBI6657Q is a step-down constant-current high-brightness LED driver to provide a cost-effective design solution for interior/exterior illumination applications. It is designed to deliver constant current to light up high power LED with only 5 external components. With hysteretic PFM control scheme,

Macroblock

聚积科技

P-Channel Silicon MOSFET General-Purpose Switching Device Applications

General-Purpose Switching Device Applications Features • Low-ON-reisistance. • 4V drive. • Composite type with 2 MOSFETs contained in a single package, facilitating high-density mounting.

文件：278.87 Kbytes 页数：4 Pages

SANYO

三洋

88-common x 272-segment Bitmap LCD Driver

文件：764.95 Kbytes 页数：78 Pages

NJRC

日本无线

1.5A 1.3MHz Synchronous Step Down Converter

文件：1.89148 Mbytes 页数：11 Pages

EXAR

艾科嘉