SY20112
Description
The SY20112 high-efficiency 1.2MHz synchronous step-down DC/DC regulator operates over a wide input voltage range of 2.5V to 5.5V and can deliver an output current up to 3A with a low quiescent current of 50µA. To minimize conduction loss, it integrates a main switch and a synchronous switch with very low RDS(ON).
Key Features
- 2.5V~5.5V Input Voltage Range
- Up to 3A Output Current
- Constant Off-time and Peak Current Mode Control
- Low RDS(ON) for Internal Switches: 100mΩ Top, 60mΩ Bottom
- Low 50µA Quiescent Current
- High 1.2MHz Switching Frequency Minimizes Required External Components
- Internal Soft-Start Limits Inrush Current
- 100% Dropout Operation
- Power-Good Indicator
- Hiccup Mode for Short-Circuit Protection
