LP3997 微源半导体 低压差线性稳压芯片
Features
◆ Wide Input Voltage Range: 1.6V to 6.0V
◆ Fixed Output Voltage: 1.2V to 5V
◆ Maximum Load Current Up to 300mA
◆ High PSRR: 65dB@1kHz
◆ Ultra-Low Quiescent Current: 2μA
◆ Low Noise: 60μVRMS typical
◆ Low Dropout Voltage:
- 60mV @ 100mA Load, VOUT=3.3V
- 180mV @ 300mA Load, VOUT=3.3V
◆ Output Voltage Accuracy: ±1.5% @ 1mA typical
◆ Thermal Shutdown Protection
◆ Excellent Load/Line Transient Response
◆ Line Regulation: 0.02%/V typical
◆ Load Regulation: 20mV typical
◆ Robust ESD capability:
- Human Body Model: 4kV
- Charged Device Model: 1kV
◆ Package: SOT23-5, DFN1x1-4
◆ RoHS Compliant and 100% Lead (Pb)-Free
Application
◆ Wearable devices
◆ Digital cameras
◆ Audio devices
◆ Portable and battery-powered equipment
◆ Post dc-to-dc regulation
◆ Post regulation
◆ Wireless handsets
