SY20018I
Overview
The SY20018I high-efficiency 1.5MHz 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 1A with a low quiescent current of 50µA. It integrates a main switch and a synchronous switch with very low RDS(ON) to minimize conduction loss.
- 2.5V to 5.5V Input Voltage Range
- Up to 1A Output Current
- Low RDS(ON) for Internal Switches: 260mΩ Top, 160mΩ Bottom
- Low 50μA Quiescent Current
- High 1.5MHz Switching Frequency Minimizes Required External Components
- Constant-Off-Time and Peak-Current-Mode Control
- Internal Soft-Start Limits the Inrush Current
- 100% Dropout Operation
- Power-Good Indicator
- Hiccup Mode for Short-Circuit Protection
