ETA钰泰 ETA1019S2F 单节碱性电池应用方案

　　FEATURES

　　Low Vin Start-up Voltage down to 850mV Ideal for Single Alkaline Cell operations

　　Capable of delivering 500mA output current at Vin=3.0V.V out=3.3V

　　IMHz Switching Frequency allows small inductor and output cap

　　Input boost-strapping allows using small or no input cap

　　Low Noise PWM control

　　Internally Compensated Current Mode Control

　　Internal Synchronous Rectifier

　　Logic Control Shutdown (IQ<luA)

　　Available in SOT23-5

　　APPLICATIONS

　　Medical Instruments

　　Bluetooth Headsets

　　Flash-Based MP3 Players

　　Wireless Mice

　　One to Three Cell Battery Operated Devices