LW020A

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DC-DC converters are used in many applications, especially in those that require a stable power supply. The LW020A is a hybrid DC DC converter module specifically designed for use in the 36 to 75V input voltage applications with high power efficiency. It features 5V, and 3.3V dc outputs, adjustable output voltage, wide operation temperature range, and small size for installation.

LW020A Application Field and Working Principle

The LW020A module is widely applicable in most of the 36 to 75V input voltage applications. It offers the advantages of high power efficiency, wide operation temperature range, adjustable output voltage, and small size. It can be used in industrial automation, medical equipment, communication systems, automotive systems, aerospace applications, and more.

The very first step of the LW020A\'s working process is to convert the input voltage from 36 to 75V into a stable DC voltage of 12V. This voltage is then regulated by a high speed power control IC and inductors to deliver the 5V or 3.3V output voltage requested by the application. The dynamic self-adjustment of the output voltage is done by the controller IC based on the type of termination value requested.

The second step of the LW020A\'s working principle is the PWM control scheme. This method uses pulse width modulation to vary the output voltage from the unit by controlling the energizing time of the inductor. The regulation loop is connected to the output of the power module. When the predetermined value of the output voltage is exceeded, the PWM signal is reduced for a shorter energizing time of the inductor, thus reducing the output voltage. Conversely, when the output voltage falls lower than the predetermined value, the PWM signal is increased for a longer energizing time, thus bringing up the output voltage.

The small size of the LW020A is achieved by eliminating any power losses resulted from the PCB board design. The device is accompanied by a built-in heatsink and power MOSFETs, thus improving the power conversion and the durability of the unit. Moreover, the module offers a wide operating temperature range between -40C to +85C.

Finally, the LW020A provides an ideal solution for a wide range of applications that require flexible input voltage and adjustable output voltage. It offers reliable performance with inherent high efficiency and durability at a very competitive price.

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