SF5590
SF5590 is PWM Controller manufactured by SiFirst.
FEATURES
- Programmable Switching Frequency
- Proprietary HV-m WTM to Achieve Less than
50m W Standby Power
- Proprietary η-Balance TM Control to Boost
Light Load Efficiency
- Proprietary “Zero OCP/OPP Recovery Gap”
Control
- Proprietary “Audio Noise Free OCP pensation”
- Built-in Soft Start Function
- Pin Floating Protection
- Frequency Reduction and Burst Mode Control for Energy Saving
- Current Mode Control
- Built-in Frequency Shuffling
- Built-in Synchronous Slope pensation
- Cycle-by-Cycle Current Limiting
- Leading Edge Blanking (LEB)
- Constant Power Limiting
- VDD OVP & Clamp
- VDD Under Voltage Lockout (UVLO)
APPLICATIONS
Offline AC/DC Flyback Converter for
- AC/DC Adaptors
- Open-frame SMPS
- Print Power, Scanners, and Motor Drivers
GENERAL DESCRIPTION
SF5590 is a high performance, highly integrated current mode PWM controller for medium to large offline...
