REC5-0505SRW/H4/C/SMD

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DC–DC converters are a type of electronic device which convert direct current (DC) from one voltage level to another. They are commonly used in a wide range of applications, such as automotive, telecom and laptop power supplies. The REC5-0505SRW/H4/C/SMD is a 5W regulated output DC–DC converter.

Features and Benefits

The REC5-0505SRW/H4/C/SMD has been designed specifically to meet the power requirements of demanding applications such as VoIP phones, radio base stations, medical equipment and industrial control applications. It features excellent efficiency, excellent line and load regulation, voltage accuracy to 1%, and a wide operating temperature range of -40°C to 85°C.

Its protection and safety features make it suitable for use in harsh environments, and include over load protection, short-circuit protection, over-voltage protection, transient protection and over-temperature protection. The converter also features a low profile, making it suitable for mounting in cramped spaces.

Application Field and Working Principle

The REC5-0505SRW/H4/C/SMD is typically used to convert an input voltage of 7.0V to 14.4V DC to an adjustable 3.3V to 5.0V DC output. The maximum output current is 5 Amps, and the switching frequency is adjustable from 30KHz to 300 KHz.

The REC5-0505SRW/H4/C/SMD uses a buck-type switching topology and the integrated switch consists of a high-side NMOS power transistor and low-side control circuitry. The high-side transistor is driven by a current-mode pulse-width modulation controller whose output stage is formed by the low-side NMOS power transistor. The signal is received by the power controller via an external timing resistor, and the output is then regulated through the operation of the switch.

The output of the DC–DC converter is regulated through an Error Amplifier (EA). The EA compares the feedback voltage to a reference voltage, and then generates a signal which is used to control the switch driving level. The EA is also used to shut the converter off in cases of an overload or an over-current condition.

Conclusion

The REC5-0505SRW/H4/C/SMD is an ideal solution for applications requiring 5W of power. Its small size, wide operating temperature, and safety features make it suitable for use in a variety of environments. The converter is versatile, and can be used to convert an input voltage range of 7.0V to 14.4V to a regulated 3.3V to 5.0V DC output. It is important to note that the output current must remain within the 5 Amp limit in order to ensure the converter’s reliability.

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