TMR 3-0521

Current - Output (Max):	300mA, 300mA
Supplier Device Package:	--
Size / Dimension:	0.86" L x 0.36" W x 0.44" H (21.8mm x 9.2mm x 11.1mm)
Package / Case:	8-SIP Module, 7 Leads
Mounting Type:	Through Hole
Efficiency:	78%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	3W
Series:	TMR 3
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	9V
Voltage - Input (Min):	4.5V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DC-DC converters are electronic components used to convert the voltage from one form to another. The TMR 3-0521 model of DC-DC converter is a two-stage converter typically used in Industrial and Battery applications. It has both a boost and a buck stage and is configured for a wide variety of output voltages. The converter can be used in applications needing output power between 2 watts and 35 watts.

Application Field

The TMR 3-0521 is specifically designed for industrial applications where high efficiency, long lifetime, and high power density are required. The wide input voltage range of the TMR 3-0521, allowing for input voltages from 9V to 40V, makes the unit ideal for battery systems and other applications where a wide input voltage range is required.Due to the two-stage design, the TMR 3-0521 is ideal for applications with strict efficiency requirements such as LED lighting and portable device chargers. The unit also provides a voltage accuracy of 2%, making it suitable for advanced control loops.

Working Principle

The core of the TMR 3-0521 is a two-stage circuit, consisting of a boost stage and a buck stage. The boost stage is an inductor-based switching converter, also known as a buck-boost converter. It takes the input voltage, typically 9V to 40V, and converts it to a higher output voltage. The buck stage is a synchronous buck converter. It takes the boosted voltage from the boost stage, typically 12V to 50V, and converts it to the desired output voltage.The two stages are configured in a cascaded manner to enable high power densities, large efficiencies, and long lifetime. The output current is determined by the load current; the TMR 3-0521 can provide up to 3A of output current.

Summary

The TMR 3-0521 is a two-stage DC-DC converter designed for industrial applications. The wide input voltage range, combined with the high efficiency of the two-stage design, makes the TMR 3-0521 suitable for battery systems, LED lighting, and portable device chargers. The output current of the unit is determined by the load current; it can provide up to 3A of output current.

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