SiFirst SF5545
SF5545 is a high performance, high efficiency, highly integrated current mode PWM controller for offline flyback| Part No. | SF5545 |
|---|---|
| Datasheet | SF5545 Download |
| Manufacturer | SiFirst |
| Description | Current Mode PWM Controller |
| Buy | Stock & Price |
FEATURES
● Less than 100mW Standby Power● Proprietary η -BalanceTM Control to Boost Light Load Efficiency
● Proprietary “Zero OCP/OPP Recovery Gap” Control
● Proprietary “Audio Compensation” Noise Free OCP
● Latch Plug-off Protection with External Triggering
● Fixed 65KHz Switching Frequency
● Built-in Frequency Shuffling
● Built-in Soft Start Function
● Frequency Reduction and Burst Mode Control for Energy Saving
● Built-in Synchronous Slope Compensation
● Cycle-by-Cycle Current Limiting
● Built-in Leading Edge Blanking (LEB)
● Current Mode Control
● Pin Floating Protection
● Very Low Startup Current
● Audio Noise Free Operation
● VDD UVLO, OVP & Clamp
APPLICATIONS
Offline AC/DC Flyback Converter for● AC/DC Adaptors
● Open-frame SMPS
GENERAL DESCRIPTION
