E48SC05015NRFA

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DC-DC converters can be classified according to the type of conduction mode and control method. E48SC05015NRFA is a DC/DC converter which uses buck switching technology to provide power supplies in a variety of small form-factor, industrial and automotive markets. The E48SC05015NRFA integrates a fixed frequency pulse-width modulation (PWM) voltage-mode controller, two dedicated N-channel MOSFETs, two commutations MOSFETs, integrated high and low-side current sense resistors and an under-voltage lockout (UVLO) circuit. The purpose of this device is to control the output voltage and current of the power supply, and to help maintain its accuracy over its full range of load and temperature conditions.

The main function of the E48SC05015NRFA is to convert an input voltage (Vin) into a regulated output voltage (Vout) within desired specifications. This is accomplished using the voltage-mode control method. The voltage-mode control technique is designed to maintain a constant output voltage regardless of changes in input voltage, load current, or temperature. In order to regulate the amount of power transferred, the current needs to be adjusted. The E48SC05015NRFA uses two N-channel MOSFETs, a high and a low side switch, to modulate the current through its inductor in order to maintain a constant output.

The E48SC05015NRFA uses a constant frequency pulse-width modulation (PWM) voltage-mode control technique to achieve a precise voltage output while regulating the sense voltage. The input voltage provided to the device is sensed by the FB pin and compared to the internal reference voltage. The output of the error amplifier drives the N-channel MOSFETs in the power stage to maintain the constant output voltage.

The E48SC05015NRFA is ideal for a variety of applications, such as telecom, automotive, industrial, and embedded systems. The device can be used to provide regulated outputs from 6 to 72 VDC from a longer-term regulated-voltage sources such as batteries, linear regulated supplies, and regulated switching supplies. It is also suitable for applications with an unstable input voltage or with varying line-voltage levels. It can be used for voltage adjustments and low-noise step-down applications, and can achieve high efficiency levels of up to 95%.

The E48SC05015NRFA also includes an under-voltage lock-out (UVLO) circuit, which is meant to protect the device from over-current conditions and/or excessive temperature changes. The UVLO will disable the device if the input voltage is too low, or the output voltage or current exceeds a certain limit. It will only re-enable the device after the voltage levels have returned to normal operating levels.

The E48SC05015NRFA DC/DC converter is an excellent solution for a variety of power supply applications. It is small in size and economical to use, and can be used in a wide range of applications. The integrated MOSFETs and current sense resistors provide an effective way to maintain regulation and to prevent over-current events. The high efficiency of the device makes it well suited for a variety of applications where power conservation is critical. Finally, the UVLO and PWM voltage-mode control features ensure that the device can be operated safely and reliably.

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