RH5RH381A-T1 DC/DC升压转换器电源管理IC 3.8V SOT-89 marking/标记 381 电源要求低噪音和低电源电流
| 控制方式MODE | PWM |
| 输入电压VINInput Voltage | 2.5~10V |
| 输出电压VOUTOutput Voltage | 3.8V |
| 输出电流IOUTOutput Current | 10mA |
| 震荡频率FOSCOscillation Frequency | 50KHz |
| 内置FETBuilt-in FET | |
| Description & Applications | PWM STEP-UP DC/DC CONVERTER • Small Number of External Components Only an inductor, a diode and a capacitor (RH5RH××1A) • Low Supply Current TYP. 15µA (RH5RH301A) • Low Ripple and Low Noise • Low Start-up Voltage (when the output current is 1mA) 0.9V • High Output Voltage Accuracy±2.5% • High Efficiency 85% • Low Temperature-Drift Coefficient of Output Voltage ±50 ppm/˚C • Soft-Start MIN. 500µs • Power source for battery-powered equipment. • Power source for cameras, camcorders, VCRs, PDAs, electronic data banks,and hand-held communication equipment. • Power source for instruments which require low noise and low supply current, such as hand-held audio equipment. • Power source for appliances which require higher cell voltage than that of batteries used in the appliances. |
| 描述与应用 | PWM升压型DC / DC转换器 •小的外部元件数目只有一个电感，一个二极管和一个电容（RH5RH××1A） •低电源电流典型值15μA（RH5RH301A） •低纹波，低噪声 •低启动电压（输出电流为1mA时）0.9V •高输出电压精度为±2.5％ •高效率85％ •低输出电压的温度漂移±50 PPM /˚C •软启动最小500μs的 •电池供电设备的电源。 •电源相机，摄像机，录像机，掌上电脑，电子数据银行，手持通信设备。 •电源要求低噪音和低电源电流，如手持式音频设备仪器。 •电源电器比在家电使用的电池需要更高的电池电压。 |
| 规格书PDF |
