LP2980IM5-ADJ 数据手册 - National Semiconductor（美国国家半导体）

●电路数量Number of Regulators| 1 \---|--- 输入电压VINVoltage - Input| -0.3~16V 输出电压VOUTVoltage - Output| 可调/adj 输出电流IoCurrent - Output| 50mA 最大压降VDOVoltage - Dropout| 120mV/0.12V 带使能脚EN/CE(ON/OFF功能)With Enable Pin| 无 No 最大耗散功率PdPower dissipation| Description & Applications| Micropower 50 mA Ultra Low-Dropout Regulator ;•Ultra low dropout voltage • Output voltage accuracy 0.5% (A Grade) • Guaranteed 50 mA output current •Smallest possible size (SOT-23, micro SMD package) • Requires only 1 µF external capacitance • < 1 µA quiescent current when shutdown • Low ground pin current at all load currents • High peak current capability (150 mA typical) • Wide supply voltage range (16V max) •Fast dynamic response to line and load •Low ZOUT •over wide frequency range •Overtemperature/overcurrent protection • −40˚C to +125˚C junction temperature range •Cellular Phone •Palmtop/Laptop Computer •Personal Digital Assistant (PDA) 描述与应用| 微功耗50毫安超低压差稳压器;•超低压差电压 •输出电压精度0.5％（A级） •保证50 mA的输出电流 •尽可能小的尺寸（SOT-23，micro SMD封装） •只需要1μF外部电容 <1μA的静态电流，关断时 •低接地端子电流在所有负载电流 •高的峰值电流能力（150 mA典型） •宽电源电压范围（16V最大） •动态响应速度快，线路和负载 •低ZOUT •在很宽的频率范围 •过热/过流保护 •-40˚C至+125˚C的结温范围内 •移动电话 •掌上电脑/笔记本电脑 •个人数字助理（PDA） •摄像机，照相机，个人立体声