LFA100F-15-SNR

Current - Output (Max):	6.7A
Approvals:	CE, cURus, TUV
Minimum Load Required:	No
Size / Dimension:	6.10" L x 2.44" W x 1.32" H (154.9mm x 62.0mm x 33.5mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-10°C ~ 70°C
Efficiency:	85.5%
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:	Enclosed
Part Status:	Active

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AC/DC Converters: The LFA100F-15-SNR and its Application Field and Working PrincipleThe LFA100F-15-SNR is a microprocessor-controlled AC/DC converter manufactured by LFA Electronics Limited. It is designed to provide reliable and efficient power conversion from AC mains, to the necessary DC parameters for a wide range of applications. This converter is a compact 8-pin device that delivers up to 40 watts of output power, making it suitable for a number of power conversion tasks.ApplicationsThe compact size, high efficiency and low cost of the LFA100F-15-SNR make it attractive for use in many applications. Among the most common applications for this converter are telecoms and server power supplies, including blade servers, VoIP equipment and routers. It is also used in industrial automation, power control, lighting, and medical equipment.Working PrincipleThe LFA100F-15-SNR uses a full-bridge PWM converter topology to convert the input AC voltage to the required DC voltage. The converter has two linear voltage regulators, one for each side of the AC input, providing high current capability and a wide range of output voltages. The power factor is independently adjustable for each input voltage range, allowing for efficiency optimization in low power applications.The converter has two active devices, one for each linear regulator. These regulate the output voltage and current in response to feedback signals from the internal microcontroller, ensuring that the output voltage is always in the correct range. The microcontroller also monitors the temperature, to make sure it is within safe limits.The converter also features automatic voltage and frequency control, as well as a built-in transient voltage suppressor (TVS). The TVS protects the device from overvoltage and ensures that the output voltage is always within the specified range.Safety FeaturesThe LFA100F-15-SNR is designed to provide a high level of safety, with built-in thermal and overvoltage protection. The temperature of the converter is monitored continuously by the internal microcontroller, and if it reaches an unsafe level, the converter automatically shuts itself off.The converter also features a built-in transient voltage suppressor (TVS), which prevents voltage spikes from damaging the hardware. In addition, the converter is designed with built-in overvoltage protection, which prevents the output voltage from exceeding the specified maximum value.ConclusionThe LFA100F-15-SNR is a reliable and efficient AC/DC converter, designed with safety in mind. It is a compact 8-pin device that delivers up to 40 watts of output power, making it suitable for a wide variety of applications, from telecoms and server power supplies to industrial automation and medical equipment. The integrated microcontroller ensures that the output voltage is always in the correct range, while the built-in safety features provide additional protection from overvoltage and thermal overloads.

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