Low-Cost, Highly Integrated, Green-Mode PWM Controller For Peak Power Management

A highly integrated PWM Controller FAN6861 provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to continuously decrease the switching frequency under light-load conditions. Under zero-load conditions, the power supply enters burst-mode, which completely shuts off PWM output. Output restarts just before the supply voltage drops below the UVLO lower limit. This green-mode function enables power supplies to meet international power conservation requirements. The FAN6861 is designed for SMPS with surge-current output, incorporated with a two-level OCP function. Besides the cycle-by-cycle current limiting, if the switching current is higher than OCP threshold and lasts for 780ms, FAN6861 shuts down immediately. FAN6861 also integrates a frequency-hopping function internally, which helps reduce EMI emission of a power supply with minimum line Filters The built-in synchronized slope compensation ensures the stability of peak current mode control. Proprietary internal compensation provides a constant output power over a universal AC input range (90VAC to 264VAC). The Gate output is clamped at 18.5V to protect the external MOSFET from over-voltage damage. By Fairchild Semiconductor
FAN6861 's PackagesFAN6861 's pdf datasheet

FAN6861 Pinout, Pinouts
FAN6861 pinout,Pin out
This is one package pinout of FAN6861,If you need more pinouts please download FAN6861's pdf datasheet.

FAN6861 Application circuits
FAN6861 circuits
This is one application circuit of FAN6861,If you need more circuits,please download FAN6861's pdf datasheet.

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