Cache-Memory Battery-Backup Management IC

General Description The DS2731 is a complete power-management solution for modular backup applications. It is well-suited for 2.5V and below memory bus voltages, with an input voltage of 12V. The DS2731 includes an internal MOSFET switching power stage for charging a one-cell lithium chemistry ba

高速缓冲存储器电池备份管理IC

DS2731是用于模块化备份电源管理的完整方案。其输入电压为12V，非常适合2.5V及2.5V以下内存总线电压的应用。DS2731包含一路内置MOSFET的开关电源，用于单节锂电池充电。完全集成的同步整流buck转换器能够提供高达450mA的备份电源电流，具有实现从系统电源至电池自动切换所需的逻辑电路和功率电路。DS2731的电池充电方式为恒流/恒压(CCCV)。输出电压容限可通过电阻分压器调节，调节范围为3.8V至4.6V。当充电电流下降到满充电流的5%时充电结束。备份电池切换由内部比较器触发，当检测到输入电压低于2.93V时自动切换。为了获得最高效率，内部2MHz同步整流buck转 \n• 锂化学电池充电池，采用CCCV充电 \n• 可调节充电电流，最高可达1.5A DC \n• 可调节充电电压范围：3.8V至4.6V \n• 外部、内部热保护 \n• 用于终止充电的定时器提供二次保护 \n• LED指示输出 \n• 掉电检测并在主电源和备份电池之间自动切换 \n• 可调节的高效同步buck转换器，轻载时工作在跳脉冲模式 \n• 放电模式下保持极低功耗;

Cache-Memory Battery-Backup Management IC

General Description The DS2731 is a complete power-management solution for modular backup applications. It is well-suited for 2.5V and below memory bus voltages, with an input voltage of 12V. The DS2731 includes an internal MOSFET switching power stage for charging a one-cell lithium chemistry ba

Cache-Memory Battery-Backup Management IC

General Description The DS2731 is a complete power-management solution for modular backup applications. It is well-suited for 2.5V and below memory bus voltages, with an input voltage of 12V. The DS2731 includes an internal MOSFET switching power stage for charging a one-cell lithium chemistry ba

封装/外壳：28-SOIC（0.173"，4.40mm 宽）裸露焊盘 功能：电源管理 包装：卷带（TR） 描述：IC BAT PWR MGT LI-ION 1C 28TSSOP 集成电路（IC） 电池管理

封装/外壳：28-SOIC（0.173"，4.40mm 宽）裸露焊盘 功能：电源管理 包装：卷带（TR） 描述：IC BAT PWR MGT LI-ION 1C 28TSSOP 集成电路（IC） 电池管理

LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS

Description The 6N138/9 and HCPL2730/HCPL2731 optocouplers consist of an AlGaAs LED optically coupled to a high gain split darlington photodetector. The split darlington configuration separating the input photodiode and the first stage gain from the output transistor permits lower output saturat

Advanced LinCMOSE RAIL-TO-RAIL LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

文件：631.44 Kbytes Page：28 Pages

Advanced LinCMOSE RAIL-TO-RAIL LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

文件：631.44 Kbytes Page：28 Pages

Advanced LinCMOSE RAIL-TO-RAIL LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

文件：631.44 Kbytes Page：28 Pages

Advanced LinCMOSE RAIL-TO-RAIL LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

文件：631.44 Kbytes Page：28 Pages