REM3-4815DW/A

Current - Output (Max):	100mA, 100mA
Size / Dimension:	1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Package / Case:	24-DIP Module, 6 Leads
Mounting Type:	Through Hole
Efficiency:	86%
Operating Temperature:	-40°C ~ 105°C
Features:	Remote On/Off, OCP, OVP, SCP, UVLO
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	5.0kV
Power (Watts):	3W
Series:	REM3
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC converters are ubiquitous in many electronic systems, from simple circuits to complex, high-performance applications. The REM3-4815DW/A is a DC DC converter from Renesas, a world leader in power electronics. It is suitable for a variety of applications and provides an exceptionally high level of efficiency and power density. This article looks at the REM3-4815DW/A\'s application field and working principle in detail.Application FieldThe REM3-4815DW/A DC DC converter is suitable for a wide range of applications, including LED lighting, medical devices, consumer electronics, and telecommunications. It provides an output voltage from 0.7 to 4.5V, and is easy to configure and operate.The device can operate in both buck and boost modes, making it suitable for a variety of different applications. It can handle loads up to 5A continuous, and up to 15A in short bursts. It has an operating temperature of -40°C to +85°C, making it perfect for use in harsh environments.The REM3-4815DW/A is designed for optimum safety and reliability, and has several safety features including over-temperature, over-voltage, under-voltage, and current-limit protection. It also provides i2C communication and a range of analog and digital control signals, making it easy to control and monitor.Working PrincipleThe REM3-4815DW/A DC DC converter is based on a Buck-Boost, asymetric, current mode, step-up/step-down topology. This provides exceptional efficiency and power density, and enables the device to operate in both buck and boost modes.The device is controlled by an onboard analog control loop, which regulates the output voltage by modulating the duty cycle of the switch-mode transistors. The loop is able to track changes in the output voltage in response to changes in load current or input voltage.The loop is also able to detect feedback errors and react accordingly – for example, reducing the duty cycle in response to an over-voltage condition, or increasing it in response to an under-voltage condition.The REM3-4815DW/A also includes protection features and an integrated i2C interface, allowing the device to be monitored and controlled. A range of analog and digital control signals are also available, enabling the output voltage to be adjusted from the external system.ConclusionThe REM3-4815DW/A DC DC converter is a versatile and powerful device, suitable for a wide range of applications. It is able to handle a variety of operating conditions, and offers an exceptionally high level of efficiency and power density. The device is designed for safety and reliability, and includes a range of features to ensure that it performs reliably in all conditions. With its advanced topology and integrated control features, the REM3-4815DW/A is a great choice for any system.

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