SiFirst SF5580
SF5580 is a high performance, highly integrated current mode PWM controller for medium to large offline flyback po| Part No. | SF5580 |
|---|---|
| Datasheet | SF5580 Download |
| Manufacturer | SiFirst |
| Description | PWM Controller |
| Buy | Stock & Price |
FEATURES
● Proprietary HV-mWTM to Achieve Less than 50mW Standby Power● Proprietary η-BalanceTM Control to Boost Light Load Efficiency
● Proprietary “Zero OCP/OPP Recovery Gap” Control
● Latch Plug-off Protection with External Triggering
● Fixed 65KHz Switching Frequency
● 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 Compensation
● Cycle-by-Cycle Current Limiting
● Leading Edge Blanking (LEB)
● Constant Power Limiting
● Audio Noise Free Operation
● VDD UVLO, OVP & Clamp
APPLICATIONS
Offline AC/DC Flyback Converter for● AC/DC Adaptors
● Open-frame SMPS
● Print Power, Scanners, and Motor Drivers
GENERAL DESCRIPTION
