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FAN7530 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # FAN7530
Description  Critical Conduction Mode PFC Controller
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN7530 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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October 2006
© 2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN7530 Rev. 1.0.0
FAN7530
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-6027 - Design of Power Factor Correction Circuit
Using FAN7530
Description
The FAN7530 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. Since 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 nec-
essary for the current mode CRM PFC controller.
FAN7530 provides many protection functions, such as
over voltage protection, open-feedback protection, over-
current protection, and under-voltage lockout protection.
The FAN7530 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
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


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