FAN7530 ,Critical Conduction Mode PFC ControllerApplicationslower than 0.45V and the operating current decreases to Adapter65µA. Using a new varia ..
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FAN7530
Critical Conduction Mode PFC Controller
FAN7530 Critical Conduction Mode PFC Controller April 2007 FAN7530 Critical Conduction Mode PFC Controller Features Description Low Total Harmonic Distortion (THD) The FAN7530 is an active power factor correction (PFC) controller for the boost PFC applications that operates in Precise Adjustable Output Over-Voltage Protection critical conduction mode (CRM). It uses the voltage Open-Feedback Protection and Disable Function mode PWM that compares an internal ramp signal with Zero Current Detector the error amplifier output to generate MOSFET turn-off 150µs Internal Start-up Timer signal. Because the voltage mode CRM PFC controller MOSFET Over-Current Protection does not need the rectified AC line voltage information, it can save the power loss of the input voltage sensing net- Under-Voltage Lockout with 3.5V Hysteresis work necessary for the current mode CRM PFC control- Low Start-up (40µA) and Operating Current (1.5mA) ler. Totem Pole Output with High State Clamp FAN7530 provides many protection functions such as +500/-800mA Peak Gate Drive Current over voltage protection, open-feedback protection, over- 8-pin DIP or 8-pin SOP current protection, and under-voltage lockout protection. The FAN7530 can be disabled if the INV pin voltage is Applications lower than 0.45V and the operating current decreases to Adapter 65µA. Using a new variable on-time control method, Ballast THD is lower than the conventional CRM boost PFC ICs. LCD TV, CRT TV SMPS Related Application Notes AN-6027 - Design of Power Factor Correction Circuit Using FAN7530 Ordering Information Operating Temp. Marking Part Number Range Pb-Free Package Packing Method Code FAN7530N -40°C to +125°C Yes 8-DIP Rail FAN7530 FAN7530M -40°C to +125°C Yes 8-SOP Rail FAN7530 FAN7530MX -40°C to +125°C Yes 8-SOP Tape & Reel FAN7530 © 2006 FAN7530 Rev. 1.0.2
