DDR-120A-24

Voltage - Output 4:	--
Approvals:	CE, EAC
Size / Dimension:	4.02" L x 1.26" W x 4.93" H (102.0mm x 32.0mm x 125.2mm)
Mounting Type:	DIN Rail
Operating Temperature:	-40°C ~ 70°C (With Derating)
Efficiency:	88.5%
Applications:	Hazardous Locations, ITE (Commercial)
Voltage - Isolation:	4kV
Power (Watts):	101W
Current - Output (Max):	4.2A
Series:	DDR-120
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	24V
Number of Outputs:	1
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Type:	Enclosed
Part Status:	Active

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DC DC Converters have become ubiquitous in modern electrical systems. Demand for their power conversion capabilities is continuously increasing, as the technology evolves and the number of applications in which they can be used continues to expand. Among these converters, a particularly useful device is the DDR-120A-24, a device with a wide range of applications and an impressive power conversion rate.The DDR-120A-24 is a high efficiency DC-DC converter ideal for a variety of applications ranging from industrial, commercial, and domestic use. It is a step-down voltage converter with a minimum input voltage of 24V and a maximum output of 120A. This makes it ideal for driving high power loads, such as motors and solenoids.The device operates using a flyback topology, which is a variation of the traditional buck converter circuit. This type of circuit is especially useful for powering multiple loads from a single supply, as it is efficient in both power conversion and energy conservation. The circuit is configured such that the primary winding is coupled with the secondary winding to form a transformer, and the transformer provides the necessary voltage conversion.In order to understand the working principle of the DDR-120A-24, it is important to look at the individual components of the circuit. The device consists of an input rectifier, an input filter, a main transformer, an output diode, an output filter, and control circuitry. The input rectifier is used to convert the AC input voltage to DC.The input filter is used to filter out any noise or ripple present in the input voltage. The main transformer is the device’s key component. It is connected to both the primary and secondary windings, providing the necessary voltage stepping down ratio. This allows the input voltage to be stepped down to the desired output voltage.The output diode acts as a switch, allowing current to flow in one direction from the secondary winding to the output filter, and blocking current flow in the opposite direction. The output filter is used to reduce the ripple component present in the output voltage. Finally, the control circuitry allows the device to maintain a stead state voltage despite varying input conditions.In conclusion, the DDR-120A-24 is a high efficiency DC-DC converter made for a wide range of applications. It is a step-down voltage converter with a minimum input voltage of 24V and a maximum output of 120A, and makes use of a flyback topology for power conversion. The device consists of several components which work together to ensure a steady output voltage, and is capable of driving high power loads such as motors and solenoids. Its versatility and efficiency makes it an ideal choice for a variety of applications.

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