LDW120-12

Power (Watts):	120W
Approvals:	--
Minimum Load Required:	--
Size / Dimension:	4.33" L x 1.57" W x 4.53" H (110.0mm x 40.0mm x 115.0mm)
Mounting Type:	DIN Rail
Features:	Adjustable Output, DC Input Capable, IP20
Operating Temperature:	-40°C ~ 70°C (With Derating)
Efficiency:	81%
Voltage - Isolation:	4.2kV
Applications:	ITE (Commercial)
Series:	LDW120
Current - Output (Max):	8A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input:	187 ~ 550 VAC (1 ~ 2PH), 250 ~ 725 VDC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Active

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AC DC Converters: LDW120-12 Application Field and Working Principle

The LDW120-12 AC-DC converter is a transformer-based full-bridge power supply that converts an AC input voltage to a DC output voltage. It is usually used in electric vehicles, hybrid electric vehicles and aerospace applications. The working principle of the LDW120-12 AC-DC converter is based on the transformer-coupled full-bridge topology, which involves a number of rectifying, smoothing and voltage feedback processes. This topology offers accurate voltage regulation and excellent power quality compared to other topologies, such as forward, flyback and bridgeless topology. Furthermore, it can achieve high efficiency and perform in a wide input voltage range, which allows it to be used in various applications.The LDW120-12 AC-DC converter has a wide operating range, which makes it suitable for various DC input types. It also has a power factor correction (PFC) feature, so the output voltage can be regulated more accurately and the current ripple can be controlled. In addition, the LDW120-12 AC-DC converter has a built-in overvoltage protection (OVP) circuit that helps prevent the output voltage from exceeding its maximum operating voltage.The output of the LDW120-12 AC-DC converter can be adjusted by using the voltage feedback circuitry, which compares the output voltage to that of a reference voltage. The output voltage can also be adjusted by using pulse width modulation (PWM) which varies the target voltage in a controlled manner and allows the output voltage of the LDW120-12 AC-DC converter to be regulated.The LDW120-12 AC-DC converter also features high efficiency at low load conditions. This allows it to achieve excellent efficiency in electric vehicle applications, such as powertrains as well as in aerospace applications. Furthermore, the LDW120-12 AC-DC converter features thermal protection to prevent overloading and the input overvoltage protection to ensure safety.In conclusion, the LDW120-12 AC-DC converter is an ideal choice for applications that require reliable and accurate power conversion. Its features of wide operating range, PFC capability, excellent power quality and high efficiency makes it suitable for both electric vehicle as well as aerospace applications. The built-in overvoltage protection and input voltage protection makes the LDW120-12 AC-DC converter safe to use in any application.

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