SiFirst SF6777
SF6777 is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regulation (PSR) power switch for offline small power converter applications. The IC also has built-in cable drop compensation function to achieve excellent CV performance. SF6777 has proprietary super-QR/PSRTM control for high efficiency and low EMI, which can ensure system to meet EPS Level 6 energy standard.| Part No. | SF6777 |
|---|---|
| Datasheet | SF6777 Download |
| Manufacturer | SiFirst |
| Description | CV/CC Power Switch |
| Buy | Stock & Price |
FEATURES
● Meet EPS Level 6● Built-in 650V Super Junction Power MOSFET
● Proprietary super-QR/PSRTM (Quasi- Resonant & Primary Side Regulation) Control for High Efficiency and Low EMI
● Proprietary Cable Drop Compensation
● Max. Frequency Clamping to Limit Power MOSFET Vds Spike @ Output Short Circuit
● Less than 70mW Standby Power
● ±5% CC and CV Precision
● Multi-Mode Control
● Cycle-by-Cycle Current Limiting
● Leading Edge Blanking (LEB)
● Soft Start
● Output Over Voltage Protection
● VDD UVLO, OVP & Clamp
APPLICATIONS
● Battery chargers for cellular phones, cordless phones, PDA, digital cameras, etc● Replaces linear transformer and RCC SMPS
● AC/DC LED lighting
GENERAL DESCRIPTION
SF6777 uses Multi Mode Control to improve efficiency and reliability and to decrease audio noise energy @ light loadings. SF6777 also integrates the function of “Max. Frequency Clamping @ Output Short Circuit” to limits power MOSFET Vds spike when output short circuits occurs. SF6777 integrates function...
