UD18203 Overview
The UTC UD18203 is a monolithic synchronous buck regulator with built-in main switch and synchronous switch power MOSFETs. It operates over a wide input voltage range from 4.5V to 18V and achieves 2A continuous output current. It adopts PWM architecture to achieve fast transient response and high efficiency at light loads.
UD18203 Key Features
- 4.5V~18V Input Voltage Range
- Up to 2A Output Current
- 140/130mΩ Internal Power MOSFET Switch
- PWM Architecture to Achieve Fast Transient Response
- Build-in soft start function
- 500kHz Switching Frequency
- Thermal Shutdown Protection
- ORDERING INFORMATION
- MARKING