FAN7530 Fairchild Semiconductor, FAN7530 Datasheet
FAN7530
Manufacturer Part Number
FAN7530
Description
Critical Conduction Mode Pfc Controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN7530.pdf
(20 pages)
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FAN7530MX
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FAN7530 Rev. 1.0.2
© 2006 Fairchild Semiconductor Corporation
FAN7530
Critical Conduction Mode PFC Controller
Features
Applications
Related Application Notes
Ordering Information
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
Adapter
Ballast
LCD TV, CRT TV
SMPS
AN-6027 - Design of Power Factor Correction Circuit
Using FAN7530
Part Number
FAN7530MX
FAN7530M
FAN7530N
Operating Temp.
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
Range
Pb-Free
Yes
Yes
Yes
Description
The FAN7530 is an active power factor correction (PFC)
controller for the boost PFC applications that operates in
critical 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
signal. Because the voltage mode CRM PFC controller
does not need the rectified AC line voltage information, it
can save the power loss of the input voltage sensing net-
work necessary for the current mode CRM PFC control-
ler.
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.
Package
8-SOP
8-SOP
8-DIP
Packing Method
Tape & Reel
Rail
Rail
Marking
FAN7530
FAN7530
FAN7530
www.fairchildsemi.com
Code
April 2007
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