TMR 3-1221

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:	82%
Operating Temperature:	-40°C ~ 85°C (With Derating)
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):	18V
Voltage - Input (Min):	9V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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Introduction

DC DC converters are used in many applications because of the advantages they offer over their AC counterparts. For example, DC converters are more efficient than AC converters and can be used in locations with limited space and power potential. The TMR 3-1221 DC to DC converter is a typical example of a DC to DC converter and is used in many areas including avionics, industrial systems, and communications. This article will examine the application field and working principle of the TMR 3-1221.

Application Field

The TMR 3-1221 is a digitally controlled power converter that is designed for a wide variety of applications. It can be used for voltage conversion in avionics, industrial systems, communication systems, and other electronic systems. It is designed to convert DC voltage up to 350VDC input to a precision voltage output. It is also designed to operate at a voltage level between 36VDC to 300VDC.The TMR 3-1221 is a high current, high power, high efficiency converter. It offers a wide range of operating modes to support a variety of application requirements. It is designed to provide remote control and computer interfacing for efficient operation. The converter can be configured to models such as step-down, step-up, and inverting modes. It is designed to operate at any input voltage from 24VDC to 600VDC and can deliver up to 1000Amps of output current.

Working Principle

The TMR 3-1221 DC to DC converter operates by rectifying a DC input voltage into direct current and then passes the DC current through a transformer. The transformer passes the current to a rectifying circuit which outputs a high-voltage DC. The DC current is then fed to a control board which contains switching transistors that enable a low voltage output. The output can be regulated and controlled with a PWM signal.The TMR 3-1221 also offers the option of galvanic isolation that provides protection against power surges and electrical noise. This is achieved by utilizing transformers and pulse width modulation to further isolate the DC voltage from the power supply.The TMR 3-1221 utilizes a constant duty cycle that helps maintain the consistency of the output voltage. This also helps in reducing power consumption. In addition, the TMR 3-1221 has a built-in auto-restart mode which eliminates the need for manual controls.

Conclusion

Overall, the TMR 3-1221 DC to DC converter is a versatile and reliable converter that can be used in various applications. This converter is designed to be used in a variety of industrial, avionics, communication, and other electronic systems.The TMR 3-1221 is designed to provide remote control and computer interfacing for efficient operation. It utilizes a constant duty cycle to maintain output voltage consistency and reduce power consumption. The TMR 3-1221 also has an auto-restart mode which eliminates the need for manual controls.This article discussed the application fields and working principle of the TMR 3-1221 DC to DC converter. This converter offers a wide range of operating modes and can be configured to support a variety of application requirements. It is a high power, high efficiency, and high precision DC to DC converter that can be used in many areas.

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