REC5-0505DRW/H2/A/SMD

DC DC Converters

DC DC Converters are electrical devices consisting of two or more electrical components that convert an input voltage or current to a different output voltage or current. REC5-0505DRW/H2/A/SMD is a type of DC DC converter which is widely used in various applications and understanding its working principle is essential to better use this device.

Application Field

RE5-0505DRW/H2/A/SMD is a non-isolated switching buck DC DC converter with an adjustable output voltage. It uses synchronous rectification to achieve low noise operation and provide high efficiency up to 96%. Its maximum output current is 5A and it has a wide input voltage range of 4.5V to 22V. Suitable for various applications such as embedded system power modules, automotive electronics, battery powered systems, smart meters, POS (Point of Sale) systems, industrial electric drives, notebook adapters, and AC/DC adapters, REC5-0505DRW/H2/A/SMD is highly reliable and precisely regulated.

The REC5-0505DRW/H2/A/SMD has multiple protections including input undervoltage, output overvoltage, output over-current, and short-circuit protection. It also includes an enable pin to adjust the device status along with a PGOOD pin to indicate the output voltage and current outputs.

Working Principle

Working of REC5-0505DRW/H2/A/SMD is based on simple Buck converter topology which is commonly used to step down or increase voltage. It consists of an inductor, two capacitors, two switches (usually an NMOS and PMOS), a current senor, and an error amplifier. The inductor is used to store energy and the two capacitors are used to filter the input and output of the converter.

When the switch is closed, energy is stored in the inductor which is discharged when the switch is open. This process is called discontinuous conduction mode (DCM) which is used to maintain a constant output voltage. The switches of the REC5-0505DRW/H2/A/SMD are operated by an integrated control circuit which is triggered by the error amplifier output.

If the load current falls below its set level, the error amplifier output is high and the switches are closed. When the current rises above its set level, the control circuit is triggered and the load current is decreased by limiting the on time of the switches. This operation is called Pulse Width Modulation (PWM). The output voltage of the converter is controlled by varying the frequency of the PWM.

Conclusion

The REC5-0505DRW/H2/A/SMD is a compact, efficient, and reliable DC DC converter suitable for a wide range of applications. It uses synchronous rectification to reduce noise and improve efficiency. By understanding the working principle of the REC5-0505DRW/H2/A/SMD, one can better use this device in various applications.