The SG6932DZ is a highly integrated current-mode PWM controller optimized for flyback converter applications. It features low standby power consumption and comprehensive protection functions, making it suitable for various power supply designs requiring high efficiency and reliability.
Applications
- AC/DC adapters for laptops, mobile phones, and other portable devices.
- Offline power supplies for home appliances and consumer electronics.
- LED lighting power supplies.
- Standby power supplies.
Features
- Low startup current and low operating current.
- Current-mode PWM control.
- Built-in leading-edge blanking.
- Programmable switching frequency.
- Internal slope compensation.
- Cycle-by-cycle current limiting.
- Over-voltage protection (OVP).
- Overload protection (OLP).
- Short-circuit protection (SCP).
- Over-temperature protection (OTP).
- Frequency Jittering for improved EMI performance.
Benefits
- Reduced standby power consumption, meeting stringent energy efficiency requirements.
- Improved system reliability due to comprehensive protection features.
- Simplified design, reducing the number of external components.
- Enhanced EMI performance through frequency jittering.
- Cost-effective solution for power supply designs.
Additional Details
The SG6932DZ utilizes a current-mode PWM control scheme for stable operation and good transient response. Its built-in leading-edge blanking helps to eliminate false triggering caused by the power diode reverse recovery. It supports a programmable switching frequency, allowing designers to optimize the performance for specific applications. For detailed technical specifications, including voltage and current ratings, switching frequency range, and protection threshold levels, refer to the official datasheet from ON Semiconductor.