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LTC1772CS6 DC/DC Step-Down Converting PMIC SOT-23 marking 1A Step-Down Converter
| 控制方式 MODE | |
| 输入电压VIN Input Voltage | 2.5~9.8V |
| 输出电压VOUT Output Voltage | |
| 输出电流IOUT Output Current | 1A |
| 震荡频率FOSC Oscillation Frequency | 550KHZ |
| 内置FET Built-in FET | |
| Description & Applications | Constant Frequency Current Mode Step-Down DC/DC Controller • High Efficiency: Up to 94% • High Output Currents Easily Achieved •Wide VIN Range: 2.5V to 9.8V •Constant Frequency 550kHz Operation • Burst ModeTM Operation at Light Load •Low Dropout: 100% Duty Cycle • 0.8V Reference Allows Low Output Voltages •Current Mode Operation for Excellent Line and Load •Transient Response • Low Quiescent Current: 270µA •Shutdown Mode Draws Only 8µA Supply Current • ±2.5% Reference Accuracy • Tiny 6-Lead SOT-23 Package |
| 描述与应用 | 恒定频率电流模式降压型DC / DC控制器 •高效率：高达94％ •轻松实现高输出电流 •宽VIN范围：2.5V至9.8V •恒频550kHz操作 •突发模式TM在轻负荷运行 •低压差100％占空比 •0.8V基准允许低输出电压 •出色的线路和负载电流模式操作 •瞬态响应 •低静态电流：270μA •只有8μA供应电流关断模式 •参考精度±2.5％ •微型6引脚SOT-23封装 |
