REC3-4815DRWZ/H4/A/SMD/CTRL

REC3-4815DRWZ/H4/A/SMD/CTRL is a DC DC converter, designed to convert a standard input voltage range of 36V to 75V DC to an output voltage of 15V DC, with a maximum output power of 180W and an operating temperature range from -40°C to 100°C.

Applications

The REC3-4815DRWZ/H4/A/SMD/CTRL is widely used in remote control systems, automotive electronics, medical devices, power control systems, and other applications that require an efficient and reliable power conversion solution. Other applications include agricultural equipment, industrial automation, LED lighting, and various other systems requiring a regulated DC source.

Working Principle

The REC3-4815DRWZ/H4/A/SMD/CTRL operates on a PWM (Pulse Width Modulation) based principle, meaning it works on the principle of rectification, full-bridge single-switch PWM, and post-regulatory circuit. This requires the switch to rapidly switch between conducting and blocking operations, with the pulse width being modulated to adjust the output voltage. The operating principle also includes voltage-mode and current-mode feedback control loops. The voltage-mode feedback compensates for an output voltage drop, while the current-mode feedback clamps the peak current to the desired level.

The converter uses a rectifier circuit to convert the input voltage to a DC level and then passes it through full-bridge single-switch PWM control switching to regulate the output voltage. This is achieved by controlling the pulse width of the PWM signal and adjusting the duty cycle to meet the desired output voltage. The post-regulatory circuit then regulates the output voltage and smoothens out any large voltage ripple.

Conclusion

The REC3-4815DRWZ/H4/A/SMD/CTRL DC DC converter is a reliable and efficient solution for providing a regulated DC output voltage from a range of input voltages. It operates on the principle of rectification, full-bridge single-switch PWM control, and post-regulatory circuit, making it suitable for use in a variety of applications, including remote controls, medical systems, automotive electronics, LED lighting, and industrial automation.