Analog Devices’ Power by Linear LTM4653 is a 58-VIN step-down µModule regulator that can safely operate from unregulated or fluctuating 24-V to 48-V input supplies in noisy environments. Integrating input and output filters enable the device to meet the EN55022 Class B EMC standards, and the low EMI architecture makes it suitable for use in signal processing applications.
The output voltage is adjustable with one resistor from 0.5 V to 94% of VIN, providing the ability to use one product to generate common system bus voltages of 3.3 V, 5 V, 12 V, and 24 V. The LTM4653 houses a switching regulator controller, power switches, inductor, and other supporting components in a 15 x 9 x 5.01-mm BGA package. Only the bulk input and output filter capacitors are needed to complete the design. The LTM4653 operating temperature range is –40°C to 125°C.
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