SY20109B
Description
The SY20109B is a 400nA ultra low quiescent current, 1.0MHz synchronous step down DC/DC regulator, which is capable of delivering up to 1.0A output current. It can operate over a wide input voltage range from 2.4V to 6.0V and integrate a main switch and a synchronous switch with very low RDS(ON) to minimize the conduction loss.
Key Features
- 2.4~6.0V Input Voltage Range
- Ultra Low Quiescent Current Down to 400nA
- Low RDS(ON) for the Internal Switches (Top/Bottom) 300mΩ /130mΩ
- Instant PWM Control to Achieve the Ultra Fast Load Transient Speed
- High Switching Frequency 1.0MHz Minimizes the External Components
- Internal Soft-start Limits the Inrush Current
- Power Good Indicator
- Hiccup Mode for Output Short Circuit Protection
- 100% Drop Out Operation
- Output Auto Discharge Function
