SG6859A is a low cost, green-mode PWM controller from Fairchild Semiconductor Corporation. It is designed for applications such as battery chargers and power adapters.
The SG6859A is a highly integrated PWM controller featuring proprietary green-mode functionality to meet strict power conservation requirements. It supports the 'Blue Angel' Standard and offers low startup and operating currents, making it suitable for battery chargers, power adapters, and standby supplies.
The device includes built-in synchronized slope compensation, cycle-by-cycle current limiting, and a gate output voltage clamped at 17V to protect external MOSFETs. It is available in SSOT-6 and DIP-8 packages with operating temperatures ranging from -40°C to +105°C.
| Startup Current | 9 µA |
|---|---|
| Operating Current | 3mA |
| Gate Driving Capability | 300mA |
| Operating Temperature Range (SSOT-6) | -40 to +105°C |
| Gate Output Clamp Voltage | 17V |
The device supports the 'Blue Angel' Standard.
Yes, it includes built-in synchronized slope compensation to ensure stability.