SF1585
SF1585 is High Integrated Current Mode PWM Controller manufactured by SiFirst.
FEATURES
- 800m A Drive Capability, up to 100W Application with Low System Cost
- Proprietary “Zero OCP/OPP Recovery Gap” Control
- Latch Plug-off Protection with External Triggering
- Fixed 65KHz Switching Frequency
- Built-in Soft Start Function
- All Pins Floating Protection
- Very Low Startup Current
- 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
- Built-in Leading Edge Blanking (LEB)
- Constant Power Limiting
- Audio Noise Free Operation
- 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
TYPICAL APPLICATION
GENERAL DESCRIPTION
SF1585 is a high performance, low cost, highly integrated current mode PWM controller...
