SY21109E
Key Features
- Low RDS(ON) for Internal MOSFETs: 29mΩ Top, 19mΩ Bottom
- Wide Input Voltage Range: 4.5V ~ 18V
- Up to 4A Output Current
- ±1% 0.6V Reference
- Pulse-Frequency Modulation (PFM) Mode Operation for SY21109
- Forced Continuous Conduction Mode (FCCM) Operation for SY21109E
- Internal Soft-Start Limits the Inrush Current
- Support Smooth Startup with Pre-Biased Output
- Constant On-time and Ripple-Based Control to Achieve Fast Transient Responses
- Output Auto-Discharge Function
