Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package

General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch

效率最高的2至6只串联WLED供电电源，2mm x 2mm TDFN封装

MAX8901A/MAX8901B升压转换器能够以固定电流驱动2至6只串联白光LED (WLED)，为手机、PDA和其它手持设备提供亮度均匀的WLED驱动，用于LCD背光。MAX8901_工作在750kHz (典型值)固定开关频率，允许采用小尺寸外部元件，经过优化处理能够在1节锂离子/锂聚合物电池的整个电压范围保持最高效率。\n这两款转换器采用单个输入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM输入调节LED亮度，LED电流正比于PWM占空比。MAX8901B采用单线、串行脉冲调光，提供32级线性调节的LED亮度。利用脉冲串调光时，满量程LED电流为24.75mA (对于 ·效率高达91% \n·2.6V至5.5V输入电压范围\n·固定频率工作模式\n·能够驱动2至6只串联WLED，1.3% LED电流精度\n·灵活的调光控制\n·直接PWM调光(MAX8901A)\n·32级、单线串行调光(MAX8901B)\n·输入欠压锁存\n·输入过压锁存\n·WLED过压保护(25V典型值)\n·0.01µA (典型值)关断电流\n·关断模式下没有WLED电流\n·内部软启动和热关断;

Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package

General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch

封装/外壳：8-WFDFN 裸露焊盘 包装：管件 描述：IC LED DRVR RGLTR SGL WR 8TDFN 集成电路（IC） LED 驱动器

Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package

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封装/外壳：8-WFDFN 裸露焊盘 包装：卷带（TR） 描述：IC LED DRVR RGLTR SGL WR 8TDFN 集成电路（IC） LED 驱动器

CCD Clock Driver

Overview The LB8901M is a monolithic IC designed to drive large-capacity clock gates of a CCD image sensor (LC9900 series) at a high speed. Features • Capable of driving large-capacity gates of a CCD, etc. • On-chip eight-block driver, two of which are capable of providing drive on the three-v

CCD Clock Driver

Overview The LB8901M is a monolithic IC designed to drive large-capacity clock gates of a CCD image sensor (LC9900 series) at a high speed. Features • Capable of driving large-capacity gates of a CCD, etc. • On-chip eight-block driver, two of which are capable of providing drive on the three-v

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Overview The LC8901 and LC8901Q are LSIs for use in IEC958, EIAJ CP-1201 format data transmission between digital audio equipment. These LSIs are used on the receiving side, and handle synchronization with the input signal and demodulation of that signal to a normal format signal. Features • On

Digital Audio Interface Receiver

Overview The LC8901 and LC8901Q are LSIs for use in IEC958, EIAJ CP-1201 format data transmission between digital audio equipment. These LSIs are used on the receiving side, and handle synchronization with the input signal and demodulation of that signal to a normal format signal. Features • On

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