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Updated at 18/01/2025 10:30:15(UTC+8)

Certifications

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Description

Description
The FAN7930B is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM). It uses a voltage-mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal. Because the voltage-mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of an input voltage sensing network necessary for a current-mode CRM PFC controller.
Features
Additional OVP Detection Pin
Input Voltage Absent Detection Circuit
Maximum Switching Frequency Limitation
Internal Soft-Start and Overshoot-less Control
Internal Total Harmonic Distortion (THD) Optimizer
Precise Adjustable Output Over-Voltage Protection
Open-Feedback Protection and Disable Function
Zero Current Detector
150μs Internal Startup Timer
MOSFET Over-Current Protection
Under-Voltage Lockout with 3.5V Hysteresis
Low Startup and Operating Current
Totem-Pole Output with High State Clamp
+500/-800mA Peak Gate Drive Current
8-Pin Small Outline Package (SOP)
Applications
Adapter
Ballast
LCD TV, CRT TV
SMPS

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FAN7930BMX Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	300 kHz
Supply Voltage (DC)	13.0V (min)
Number of Positions	8 Position
Switching Frequency	250kHz ~ 350kHz
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	13V ~ 20V
Supply Voltage (Max)	20 V
Supply Voltage (Min)	13 V
	Show
Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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