REC3-4809DRW/H6/A/SMD/CTRL-R

Series:	ECONOLINE REC3-DRW
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	36V
Voltage - Input (Max):	72V
Voltage - Output 1:	9V
Voltage - Output 2:	-9V
Voltage - Output 3:	--
Current - Output (Max):	165mA, 165mA
Power (Watts):	3W
Voltage - Isolation:	6kV
Applications:	ITE (Commercial), Medical
Features:	Remote On/Off, SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	83%
Mounting Type:	Surface Mount
Package / Case:	24-SMD Module, 18 Leads
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Control Features:	Enable, Active Low

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DC-DC converters have often been regarded as a power conditioning device that helps provide power to electronics. However, their purpose and application field vary greatly depending on the specific type. REC3-4809DRW/H6/A/SMD/CTRL-R is an example of a DC-DC converter, and this article looks at its application field and working principle.REC3-4809DRW/H6/A/SMD/CTRL-R is a synchronous buck converter, a type of DC-DC converter, specifically a step-down regulator. It is designed to provide a non-isolated output voltage with high efficiency and low thermal resistance. This type of DC-DC converter is typically used in applications where low input voltage is needed, such as, in automotive electronics, power supplies, LED lighting, and other low-power-needs devices.REC3-4809DRW/H6/A/SMD/CTRL-R has an adjustable input voltage range of 4.5 – 28 V, making it perfect for applications where the input voltage is not fixed. It has an adjustable output range of 0.8 – 3.3 V and a maximum output current of 9A, making it ideal for powering low-power-needs devices. Additionally, it offers a wide temperature range of -40°C to +85°C and a ripple current of 48 mV p-p. Additionally, it can operate at a switching frequency up to 1.5MHz.In order to understand how REC3-4809DRW/H6/A/SMD/CTRL-R works, it is important to understand synchronous buck converter technology. Synchronous buck converters employ a pair of MOSFET transistors to produce a switch that controls the current flow from input to output and adjusts the voltage to a desired level. The input voltage is connected to the drain side of the pair of MOSFET transistors. The gate of the transistors is controlled by a PWM signal generated by the on-board controller, allowing the user to set the required output voltage by adjusting the PWM duty cycle. The current flow is then modulated by the incoming PWM signal, which controls the switching of the transistors. This process is known as pulse width modulation (PWM). When the switch is pulsed, the inductor in the circuit stores energy from the input voltage and releases it to the output at a lower voltage when the transistor is switched off. The output voltage is determined by the frequency and duty cycle of the PWM input signal, as well as the ratios of the inductor value and the output capacitance. When the output voltage drops below the desired voltage, the transistor is again pulsed to re-establish the output voltage.REC3-4809DRW/H6/A/SMD/CTRL-R also has a selectable current limiting feature, which helps maintain the output current within the specified limit should an overload occur in the system. It also has an under-voltage lockout feature, which disables the output when the input voltage falls below a certain threshold.In summary, REC3-4809DRW/H6/A/SMD/CTRL-R is an optimal choice for many low-power-needs applications where the input voltage is not fixed. Its operational features, adjustable input voltage range, adjustable output voltage range, high efficiency, and selectable current limiting and under-voltage lockout features make it an ideal choice for many applications. In addition, its synchronous buck converter technology helps to ensure reliable operation in unforgiving operating environments.

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