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FAN6861TY Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FAN6861TY Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 15 page May 2009 © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6861 • Rev. 1.0.1 FAN6861 Low-Cost, Highly Integrated, Green-Mode PWM Controller for Peak Power Management Features Low Startup Current: 15µA Maximum Green-Mode and Burst-Mode Operation for Low Standby Power Consumption Internal Soft Start: 10ms Frequency Hopping for EMI Reduction Peak-Current Mode Control with Cycle-by-Cycle Current Limiting Constant Output Power Limit (Full AC Input Range) Built-in Slope Compensation Two-Level Over-Current Protection (OCP) with Delayed Shutdown (780ms) for Peak Power Management Open-Loop / Over-Load Protection (OLP) VDD Over-Voltage Protection (OVP) Programmable Over-Temperature Protection (OTP) Applications Switched Mode Power Supply (SMPS) with Motor Load; such as for printer, scanner, motor drivers, etc. AC/DC Adapters Open-Frame SMPS Description Highly integrated PWM controller, FAN6861 is optimized for applications with motor load; such as printer and scanner, which inherently impose some kind of overload condition on the power supply during acceleration mode. The two-level OCP function allows the SMPS to stably deliver peak power during the motor acceleration mode without causing premature shutdown and while protecting the SMPS from overload condition. The green-mode and burst-mode functions with a low operating current (2.2mA maximum in green mode) maximize the light load efficiency so that the power supply can meet most stringent standby power regulations. The frequency-hopping function helps reduce electro- magnetic interference (EMI) of a power supply by spreading the energy over a wider frequency range. The constant power limit function; minimizes the components stress in abnormal condition and helps designer to optimize the power stage more easily. Many protection functions such; as OCP, OLP, OVP and OTP, are fully integrated into FAN6861, which improves the SMPS reliability without increasing the system cost. Ordering Information Part Number Operating Temperature Range Eco Status Package Packing Method FAN6861TY -40 to +105°C Green SSOT-6 Tape & Reel For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. |
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