800mA电压缩放降压转换器•VIN范围：2.7V至5.5V•VOUT可编程的范围：0.6V至2.0V•动态电压管理层：- 50mV输出分辨率- 快速，稳定的响应•串行控制选项：- ICwire单线接口•800mA输出电流•高达93..
控制方式MODE| \---|--- 输入电压VINInput Voltage| 2.7~5.5V 输出电压VOUTOutput Voltage| 1.8V 输出电流IOUTOutput Current| 800mA 震荡频率FOSCOscillation Frequency| 2.2MHZ 内置FETBuilt-in FET| PMOS Description & Applications| 800mA Voltage-Scaling Step-Down Converter • VIN Range: 2.7V to 5.5V • VOUT Programmable Range: 0.6V to 2.0V • Dynamic Voltage Management: — 50mV Output Resolution — Fast, Stable Response • Serial Control Options: — ICwire Single-Wire Interface • 800mA Output Current • Up to 93% Efficiency • Line, Load Regulation Less Than ±0.5% • 2.2MHz Switching Frequency • Ultra-Small External Filter • Low 35µA No Load Quiescent Current • 100% Duty Cycle Low Dropout Operation • Internal Soft Start • Over-Temperature Protection • Current Limit Protection • Multi-Function MODE/SYNC Pin: — PFM/PWM for High Efficiency — PWM Only for Low Noise — Clock Input to Synchronize to System Clock • TSOPJW-12 or TDFN33-12 Package • Temperature Range: -40°C to +85°C • Camcorders • Cellular Phones and Smartphones • Digital Still Cameras • Handheld Instruments • Microprocessor / DSP Core • MP3, Portable Music, and Portable Media Players • PDAs and Handheld Computers 描述与应用| 800mA电压缩放降压转换器 •VIN范围：2.7V至5.5V •VOUT可编程的范围：0.6V至2.0V •动态电压管理层： - 50mV输出分辨率 - 快速，稳定的响应 •串行控制选项： - ICwire单线接口 •800mA输出电流 •高达93％的效率 •线路，负载调整率小于±0.5％ •2.2MHz的开关频率 •超小型外部滤波器 •低35μA的无负载静态电流 •100％占空比低漏失操作 •内部软启动 •过温保护 •电流限制保护 •多功能MODE/ SYNC引脚： - 高效率PFM/ PWM - 只有低噪声PWM - 时钟输入到系统时钟同步 •TSOPJW-12或TDFN33-12包装 •温度范围：-40°C至+85°C •摄像机 •移动电话和智能手机 •数码相机 •手持式仪器 •微处理器/ DSP核心 •MP3，便携式音乐和便携式媒体播放器 •掌上电脑和掌上电脑