REC3-2405DRW/H2/A/SMD-R

Current - Output (Max):	300mA, 300mA
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Package / Case:	24-SMD Module, 18 Leads
Mounting Type:	Surface Mount
Efficiency:	83%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	2kV
Power (Watts):	3W
Series:	ECONOLINE REC3-DRW
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters

DC-DC converters are electrical circuits used to convert a DC voltage or current from one voltage level or current level to another. The REC3-2405DRW/H2/A/SMD-R is an example of a DC-DC converter, allowing a range of input voltages (3V to 24V) to be converted to a regulated 5V output voltage.

Application Field

The REC3-2405DRW/H2/A/SMD-R is a DC-DC converter, so it is suitable for multiple applications. It is suitable for use as a reliable 5V output from various sources such as batteries, USB connectors, lead-acid, and NiMH batteries. This DC-DC converter is well-suited to powering microcontrollers, digital signal processors, FPGA\'s, and logic chips in a variety of industrial, automotive, medical, and information technology systems. It has a wide temperature range (-40°C to +85°C) and its ultra-low supply current ensures minimal losses in energy and a low heat dissipation.

Working Principle

The REC3-2405DRW/H2/A/SMD-R is a non-isolated Buck DC-DC converter based on a synchronous buck converter topology. The principle of operation is to convert the input voltage to the desired regulated 5V DC output voltage. This is accomplished by using a Pulse Width Modulation (PWM) controller and an internal power switch to turn the input into a series of pulses. The switch is then turned on and off at different pulse widths which effectively adjusts the voltage across the switch. This converted DC voltage is then smoothed using an integrated low-ESR inductor and output capacitor. Finally, the voltage is regulated by a precision 5V reference, with an overvoltage protection circuit, ensuring a stable 5V output for the load.

Summary

The REC3-2405DRW/H2/A/SMD-R is a non-isolated Buck DC-DC converter, capable of converting a range of input voltages to a regulated 5V DC output voltage. This converter is suitable for a variety of applications, from powering microcontrollers, logic chips, FPGAs, and Digital Signal Processors to providing an energy-efficient 5V output from a variety of sources including batteries, USB connectors, lead-acid, and NiMH batteries. The working principle of this converter is based on a synchronous buck converter topology, involving Pulse Width Modulation, an internal power switch, an integrated low-ESR inductor and output capacitor, and a precision 5V reference with an overvoltage protection circuit to ensure a stable 5V output.

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