中文
EnglishSF6771 is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regulation (PSR) controller for offline small power converter applications.
型号 |
拓扑结构 |
驱动模式 |
待机功耗</h2> |
最大输出功率</h2> |
六级能效 |
封装 |
|
|---|---|---|---|---|---|---|---|
| 1 | SF5920S | NC-Cap/PSR™ | External MOS | 70mw | 25w | - | SOT23-5 |
| 2 | SF5922S | NC-Cap/PSR™ | 1A MOS Inside | 70mw | 6w | - | SOP8 |
| 3 | SF5926S | NC-Cap/PSR™ | 1A MOS Inside | 70mw | 9w | - | DIP8 |
| 4 | SF6010N | NC-Cap/PSR™ | External BJT | 90mw | 6w | - | SOT23-5/6 |
| 5 | SF6070J | NC-Cap/PSR™ | External BJT | 90mw | 6w | - | SOT23-5/6 |
| 6 | SF6070K | NC-Cap/PSR™ | External BJT | 90mw | 6w | - | SOT23-5/6 |
| 7 | SF6072 | NC-Cap/PSR™ | 1A BJT Inside | 90mw | 4.5w | - | SOIC-7 |
| 8 | SF6020 | NC-Cap/PSR-||™ | External BJT | 90mw | 6w | - | SOT23-5 |
| 9 | SF6771 | super-QR/PSR™ | External MOS | 70mw | 25w | √</td> | SOT23-6 |
| 10 | SF6791 | super-QR/PSR™ | External BJT | 90mw | 6w | - | SOT23-6 |
SF6771
EPS Level 6
Easily Meet EPS Level 6
Proptietary super -QR/PSRTM(Quasi-Resonant &Primary Side Regulation)Control for High Efficiency and Low EMI
Support "No-Snubber"& "No-Y"Design in 5W (5V/1A )Charger Applications
Less than70mW Standby Power
±5% CC and CV Precision
Built-in soft start function
Proprietary cable Drop Compensation
Pins floating protection
Cycle-by-cycle current limiting
Built-in leading edge blanking (LEB)
Output Over Voltage Protection
VDD under voltage lockout (UVLO)
Application:
Battery chargers for cellular phones,cordless phones,PDA digital cameras ,etc
Replaces liner transformer and RCC SMPS
AC/DC LED lighting
SF6771 is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regulation (PSR) controller for offline small power converter applications.
SF6771 has proprietary Super-QR/PSRTM control for high efficiency and low EMI. The IC can meet EPS Level 6 energy standard easily. The IC can support "No-snubber & No-Y" design in 5W charger applications. The IC also has built-in cable drop compensation function, which can provide excellent CV performance.
SF6771 integrates functions and protections of Under Voltage Lockout (UVLO), VDD Over Voltage Protection ( VDD OVP), Output Over Voltage Protection (Output OVP), Soft Start, cycle-by-cycle Current Limiting (OCP), pins Floating Protection, Gate Clamping, VDD Clamping.
SF6771 is available in SOT23-6 packages.
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