SY20122A1
Description
The SY20122A1 high efficiency and low quiescent current synchronous Buck regulator operates over a wide input voltage range of 2.5V to 5.5V, and can deliver an output current up to 2A. It integrates a top FET and a bottom FET with very low RDS(ON) to minimize conduction loss.
Key Features
- Low RDS(ON) for Internal Switches: 130mΩ Top, 85mΩ Bottom
- 2.5V ~ 5.5V Input Voltage Range
- Up to 2A Output Current
- 50µA Low Quiescent Current
- 1.5MHz High Switching Frequency Minimizes Required External Components
- Constant Off-Time and Peak Current Mode Control
- Internal Soft-Start Limits Inrush Current
- 100% Dropout Operation
- Power-Good Indicator
- Hiccup Mode for Short-Circuit Protection
