FSDM0565RBWDTU

Duty Cycle:	82%
Base Part Number:	FSDM0565
Mounting Type:	Through Hole
Supplier Device Package:	TO-220F-6L (Forming)
Package / Case:	TO-220-6 Full Pack, Formed Leads
Operating Temperature:	-25°C ~ 85°C (TA)
Control Features:	--
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Power (Watts):	70W
Frequency - Switching:	66kHz
Series:	FPS™
Voltage - Supply (Vcc/Vdd):	8 V ~ 20 V
Voltage - Start Up:	12V
Topology:	Flyback
Voltage - Breakdown:	650V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Not For New Designs
Packaging:	Tube

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PMIC - AC DC Converters, Offline Switchers

The FSDM0565RBWDTU, a PolyPhase Full-Bridge Synchronous Rectifier Controller with integrated Converter PFC, is a popular power electronic device used to control the AC/DC power supply. It can be classified under the category of PMIC – AC DC Converters, Offline Switchers.The main application of the FSDM0565RBWDTU is to provide a Power Factor Correction (PFC) for AC/DC power supplies. The FSDM0565RBWDTU acts as a bridge between the input AC power supply and the output DC power supply, allowing for a better efficiency and the ability to control the AC power supply. In other words, it enables the users to regulate the AC power supply to their desired level, based on their needs.The FSDM0565RBWDTU also offers advanced features such as Power Line Frequency (PLF) compensation, Active Clamp, and Over-Current Protection (OCP). These features are designed to optimize the power conversion process, ensuring optimal efficiency and reliability.The Working Principle of the FSDM0565RBWDTUThe FSDM0565RBWDTU works based on the principle of synchronous rectification, meaning that it utilizes switching power MOSFETs to control the AC/DC power supply. The device works by converting the AC voltage from the input to a DC voltage at the output, using the MOSFETs to switch the conductivity of the rectifier accordingly.The FSDM0565RBWDTU begins by receiving the input AC voltage, which is then converted to an intermediate DC voltage. This intermediate voltage is used to drive an external full-bridge rectifier circuit. The output of this circuit is then fed into the built-in Power Factor Correction (PFC) stage, which works by adjusting the phase of the AC input voltage, to minimize the harmonic distortion in the power supply. The output of the PFC stage is then fed into the Control and Protections Stage, which consists of several features such as PLF compensation, Active Clamp, and Over-Current Protection (OCP). Finally, the output of the Control and Protections stage is regulated to generate the required DC output voltage.ConclusionIn conclusion, the FSDM0565RBWDTU is a popular PMIC device that is used for AC/DC power conversion. It is commonly used to provide Power Factor Correction (PFC) for AC/DC power supplies, and also provides advanced features such as PLF compensation, Active Clamp, and Over-Current Protection (OCP). The FSDM0565RBWDTU works based on the principle of synchronous rectification, where switching power MOSFETs are used to convert the input AC voltage to an intermediate DC voltage, which is then fed into the built-in PFC stage to regulate the output DC voltage.

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