SY21225 Overview
Description
The SY21225 is a high efficiency synchronous boost regulator with programmable output current limit. The device uses adaptive constant off time and current mode control.
Key Features
- Input Voltage Range: 4.5-30V
- Programmable Pseudo-Constant Frequency 200kHz to 1MHz
- Low RDS(ON) Internal Switches Main FET: 16mΩ Rectifier FET: 18mΩ Disconnect FET: 18mΩ
- True Shutdown Function
- Programmable Output Current Limit
- Internal Soft-start Limits the Inrush Current
- Input Voltage UVLO
- Over Temperature Protection
- Over Voltage Protection
- Output Short Circuit Protection
