LFA75F-15-SJ1

Current - Output (Max):	5A
Approvals:	CE, cURus, TUV
Minimum Load Required:	No
Size / Dimension:	5.91" L x 1.97" W x 1.32" H (150.1mm x 50.0mm x 33.5mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-10°C ~ 70°C
Efficiency:	83%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	LF
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	15V
Voltage - Input:	85 ~ 264 VAC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC DC Converters: LFA75F-15-SJ1 Application Field and Working Principles

AC/DC (Alternating Current / Direct Current) converters, or power supply units, are devices that are used to convert alternating current (AC) to direct current (DC). This conversion allows for the operation of any electrical device that requires a stable current source. The LFA75F-15-SJ1 AC/DC converter is a high performance power supply module designed for use in a wide range of electronic applications. This article will explore the application fields and working principles of the LFA75F-15-SJ1.

Applications of the LFA75F-15-SJ1

The LFA75F-15-SJ1 is a single-output switching power supply with a wide range input voltage of 85-264 Vac. It has a high efficiency of up to 95% and is designed for use in a variety of applications, including appliances, lighting, office and communication equipment, instrumentation, consumer electronics and more.The module features several advanced features for stability and reliability, including over-current, over-voltage, overtemperature, and short-circuit protection measures. In addition, the LFA75F-15-SJ1also has a low-power consumption design, which makes it an ideal choice for green energy applications.

Working Principles of the LFA75F-15-SJ1

The LFA75F-15-SJ1 uses a buck converter, which is an AC to DC power conversion topology. This topology is used in a variety of applications, from mobile gadgets to industrial equipment. In its core operation, the buck converter employs a MOSFET switch to alternately cut the input voltage to the converter into two levels.The switch is controlled through a MOSFET driver, which is activated by an oscillator. This oscillator creates a pulsewidth modulated (PWM) signal that regulates the duty cycle of the MOSFET switch. As the duty cycle increases, the voltage level of the input voltage is reduced, allowing the converter to step down the voltage level of the input signal.The buck converter works in a continuous conduction mode, meaning that the output of the device is constantly in circuit. This helps to ensure that the output voltage remains constant and the buck converter remains in the same phase of the input signal.

Conclusion

The LFA75F-15-SJ1 AC/DC converter is a high-performance power supply module designed for use in a variety of electronic applications. The module features a wide range input voltage of 85-264 VAC, a high efficiency of up to 95%, and several advanced features for stability and reliability. In addition, the module uses a buck converter topology for efficient conversion of AC to DC. The LFA75F-15-SJ1 is ideal for applications such as appliances, lighting, office and communication equipment, instrumentation, and consumer electronics.

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