LTC3405AES6 数据手册 - Linear Technology（凌力尔特）

控制方式MODE| PWM \---|--- 输入电压VINInput Voltage| 2.5~5.5V 输出电压VOUTOutput Voltage| 0.8V 输出电流IOUTOutput Current| 300mA/0.3A 震荡频率FOSCOscillation Frequency| 1.5MHZ 内置FETBuilt-in FET| PMOS/NMOS Description & Applications| 1.5MHz, 300mA Synchronous Step-Down Regulator in Thin SOT • High Efficiency: Up to 96% • Very Low Quiescent Current: Only 20µA • 300mA Output Current at VIN = 3V • 2.5V to 5.5V Input Voltage Range •1.5MHz Constant Frequency Operation •No Schottky Diode Required • Low Dropout Operation: 100% Duty Cycle •Stable with Ceramic Capacitors • 0.8V Reference Allows Low Output Voltages • Shutdown Mode Draws < 1µA Supply Current • ±2% Output Voltage Accuracy • Current Mode Operation for Excellent Line and •Load Transient Response • Overtemperature Protected 描述与应用| 1.5MHz的300mA同步降压稳压器，薄型SOT •高效率：高达96％ •非常低的静态电流只有20μA •300mA输出电流在VIN =3V •2.5V至5.5V输入电压范围 •1.5MHz恒定频率操作 •无需肖特基二极管 •低压差操作：100％占空比 •陶瓷电容器稳定工作 •0.8V基准允许低输出电压 •关断模式绘制<1μA电源电流 •±2％的输出电压精度 •优秀线路和电流模式操作 •负载瞬态响应 •过热保护