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FAN7529 Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FAN7529 Datasheet(HTML) 1 Page - Fairchild Semiconductor |
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1 / 20 page  April 2007 © 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7529 Rev. 1.0.2 FAN7529 Critical Conduction Mode PFC Controller Features Low Total Harmonic Distortion (THD) Precise Adjustable Output Over-Voltage Protection Open-Feedback Protection and Disable Function Zero Current Detector 150µs Internal Start-up Timer MOSFET Over-Current Protection Under-Voltage Lockout with 3.5V Hysteresis Low Start-up (40µA) and Operating Current (1.5mA) Totem Pole Output with High State Clamp +500/-800mA Peak Gate Drive Current 8-Pin DIP or 8-Pin SOP Applications Adapter Ballast LCD TV, CRT TV SMPS Related Application Notes AN-6026 - Design of Power Factor Correction Circuit Using FAN7529 Description The FAN7529 is an active power factor correction (PFC) controller for boost PFC applications that operates in crit- ical conduction mode (CRM). It uses the voltage mode PWM that compares an internal ramp signal with the error amplifier output to generate MOSFET turn-off sig- nal. Because the voltage-mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of the input voltage sensing network neces- sary for the current-mode CRM PFC controller. FAN7529 provides many protection functions, such as over-voltage protection, open-feedback protection, over- current protection, and under-voltage lockout protection. The FAN7529 can be disabled if the INV pin voltage is lower than 0.45V and the operating current decreases to 65µA. Using a new variable on-time control method, THD is lower than the conventional CRM boost PFC ICs. Ordering Information Part Number Operating Temp. Range Pb-Free Package Packing Method Marking Code FAN7529N -40°C to +125°C Yes 8-DIP Rail FAN7529 FAN7529M -40°C to +125°C Yes 8-SOP Rail FAN7529 FAN7529MX -40°C to +125°C Yes 8-SOP Tape & Reel FAN7529 |
Similar Part No. - FAN7529_07 |
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Similar Description - FAN7529_07 |
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