UC3848
Description
The UTC UC3848 is designed to provide several special enhancements to satisfy the needs, for example, Power-Saving mode for low standby power (<0.3W), Frequency Hopping , Constant Output Power Limiting , Slope pensation ,Over Current Protection (OCP), Over Voltage Protection (OVP), Over Load Protection (OLP), Under Voltage Lock Out (UVLO), Short Circuit Protection (SCP) , Over Temperature Protection (OTP) etc.
Key Features
- Low Startup Current (about 22μA)
- Fixed Switching Frequency(Norm. is 68KHz)
- Frequency Hopping for Improved EMI Performance
- Lower than 0.3W Standby Power Design
- Linearly Decreasing Frequency to 26KHz During Light Load
- Internal Slope pensation
- Constant Power Limiting for Universal AC input Range
- Gate Output Maximum Voltage Clamp(15V)
- Max Duty Cycle 74%
- Over Temperature Protection
