产品详细说明: Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT=1 mA ) Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 % . oscillator frequency:1.0MHz Output voltage range: 1.5V ~6.5 V Output voltage accuracy:±2% Soft start function: 2 mS. PACKAGE:SOT23-5,SOT89-5,SOP8