FAN48623UC36FX

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FAN48623UC36FX is a DC-DC switching regulator. It is a part of Power Management Integrated Circuit (PMIC), and its main function is to regulate the voltage and current in a controlled manner, while maintaining the power efficiency of the circuit. The specific application field of FAN48623UC36FX is to provide a regulated output voltage to the internal high power components such as motor, motor driven transducers, and heaters. In addition, it can also be used for driving the high efficiency DC-DC converters.

FAN48623UC36FX has a wide adjustable output voltage range, allowing for flexibility in design. The output voltage can be adjusted from 0.5V to 48V. The adjustable on-time and off-time, together with the fast current-limit protection and open loop protection, guarantee the safe operation of the converter. The voltage accuracy of the FAN48623UC36FX is +/-2.5% of the output current.

FAN48623UC36FX is based on a Buck topology. The Buck topology is a single stage DC-DC converter that steps-down a higher input voltage to a lower output voltage. In this topology, the load current is sensed by an internal current shunt, which is filtered and compared with an internal reference voltage. This comparison is done by a current-mode control loop, and the output voltage is adjusted accordingly. The adjustment is done through the switching of a MOSFET switch, turning the inductor current on and off alternately. A diode is used to provide a path for inductor current when the switch is turned off.

FAN48623UC36FX also has an integrated voltage start-up circuit, which is able to provide a controlled current to the load until the output voltage reaches its desired level. It also has an internal power-on start-up circuit, which ensures the smooth start-up process. Moreover, the adjustable switching frequency of the FAN48623UC36FX improves the efficiency of the converter by reducing the number of switching cycles necessary for each output current.

In addition, the wide input voltage range of the FAN48623UC36FX also increases its flexibility in design. The input voltage can be adjusted from 4.5V to 36V, which makes it suitable for a wide range of input voltages. The standby current consumption of the FAN48623UC36FX is also very low, allowing for increased power efficiency when the device is in idle mode.

The FAN48623UC36FX is a high performance, flexible, and reliable DC-DC switching regulator designed for high power applications. Its wide output voltage range, adjustable switching frequency, adjustable on-time and off-time together with the low standby current consumption ensures that the device can provide a high level of power efficiency and reliability to the circuit.

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