TMR 6-1219

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DC-DC converters are a popular solution for applications that require electrical energy transformation from one voltage level to another. This can be important in order to supply electrical loads with the necessary ongoing voltage. An example of a DC-DC converter is the TMR 6-1219, a single output, regulated fly-back topology DC-DC module. It is designed to provide a regulated output voltage of 12V with an operating input voltage range from 6V to 18V. The TMR 6-1219 incorporates a control IC to regulate the output voltage which is Power Good (PG) signal output. It has over voltage protection and thermal shutdown protection for safety. Output overload protection is also provided to protect the module from short circuit conditions. The TMR 6-1219 is RoHS and CE compliant and has an efficiency rating of 91~93%. In addition, it is housed in a 6-Pin SIP package. The TMR 6-1219 offers a basic yet effective DC-DC conversion solution. Its single output fly-back topology DC-DC module offers an operating input voltage range from 6V to 18V with a 12V output voltage option. The module is also equipped with a Power Good (PG) signal output, as well as a number of protection features, such as over voltage protection, thermal shutdown protection and output overload protection. The module is RoHS and CE compliant and has an efficiency rating of 91~93%. The working principle behind the operation of the TMR 6-1219 is described below. The module has an input diode D1 that receives the input voltage from the voltage source. The power stage, consisting of an N-channel MOSFET Q1, a Power transformer and an auxiliary winding with rectification diode D3 creates a fly-back topology. The output voltage is regulated by the Control IC. A voltage divider circuit, with two resistive divider values, provides the input voltage, feedback voltage and drain voltage to the Control IC. The Control IC compares the output voltage with the reference voltage and modulates the duty cycle (on time) of the MOSFET Q1. The output voltage is regulated by the Control IC by adjusting the duty cycle of the MOSFET Q1 accordingly.In summary, the TMR 6-1219 is a single output, regulated fly-back topology DC-DC module. It is designed to provide a regulated output voltage of 12V from an operating input voltage range from 6V to 18V. Its features include a Power Good (PG) signal output, over voltage protection, thermal shutdown protection and output overload protection. The module is RoHS and CE compliant and has an efficiency rating of 91~93%. The working principle of the module relies on a fly-back topology, with an input diode, power transformer and rectification diode set-up, as well as a Control IC to regulate the output voltage.

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