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概述

完整的数据资料 (PDF, 95kB) 英文 下载 The MAX1797 evaluation kit (EV kit) is a high-efficiency, step-up DC-DC converter for portable hand-held devices. Unlike typical boost circuits, the MAX1797 output is completely disconnected from the input in shutdown. The EV kit accepts a positive input voltage between 0.7V and VOUT and converts it to a 3.3V output for currents up to 500mA. The EV kit provides ultra-low quiescent current and high efficiency for maximum battery life. The MAX1797 EV kit is a fully assembled and tested surface-mount printed circuit (PC) board. It can also be used to evaluate other output voltages in the 2V to 5.5V range. Additional pads on the board accommodate the external feedback resistors for setting different output voltages.

关键特性		应用/使用
Output Disconnects from Input During Shutdown Operates Down to 0.7V Input Supply Voltage Adjustable Output Voltage (2V to 5.5V, External Divider) Up to 500mA Output Current No External Schottky Diode Required Synchronous Rectification for Improved Efficiency Damping Circuit Reduces EMI 1µA (typ) Shutdown Current Low-Battery Detector (LBI/LBO) 8-Pin µMAX® Package Surface-Mount Construction Fully Assembled and Tested		蜂窝电话 消费类音频 无绳电话 数码相机和便携式摄像机 终端设备 全球定位系统(GPS) 手持终端 LCD显示器 笔记本电脑 数字助理 寻呼机 掌上电脑 PDA 笔输入掌上电脑 销售终端机(POS) 便携式患者监视/药物传递 便携式测试仪

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