PQM1-S12-S15-M-TR

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DC DC converters refer to fixed frequency switching converters that are able to convert one DC voltage to another, for example, from a battery\'s DC voltage to the DC voltage required by a mobile phone or laptop PC. The PQM1-S12-S15-M-TR is a particular example of a DC DC converter typically used in a range of industrial applications.

This type of unit is a type of DC to DC converter and is known as an isolated switching regulator. An isolated switching regulator is capable of providing an isolated voltage supply from an input source that has a different voltage level. It works on the principle of continuous conduction mode operation, to maintain efficiency, and hence this type of unit is commonly referred to as a CCM DC/DC converter.

The PQM1-S12-S15-M-TR utilizes the topology of an isolated forward converter which provides a regulated output voltage of 12V at 15A maximum output current. The unit is an open frame design, and is composed of an isolation transformer, two MOSFET transistors, a diode rectifier, and a control circuit with a voltage feedback loop. This control circuit relies on an error amplifier to compare the output voltage with a reference voltage.

The working principle of the forward converter is based on a transformer primary winding being driven by the switching circuit, which amplifies the input voltage and provides the output voltage as the secondary winding. The primary side MOSFET transistor acts as a switch, to pass the primary current, and the secondary side MOSFET transistor alters the on-time of the primary side pulse width modulation (PWM) signal. The two transistors are connected to the primary and secondary windings and the output voltage is provided via the rectifier diode with output current sensed through a resistor in the power circuit.

The PQM1-S12-S15-M-TR isolated forward converter can be used in a variety of applications such as medical, industrial control, robotics, measurement, and communications equipment. It is typically used when an isolated output voltage is required and space is at a premium, as the converter requires minimal external components.

The PQM1-S12-S15-M-TR converter is an efficient, isolated solution for a wide range of applications, and its working principle is based on the topology of an isolated forward converter. By utilizing the principles of continuous conduction mode operation, the unit is able to provide a regulated output voltage with minimum external components. This makes it an ideal choice for a variety of applications where a reliable, isolated voltage supply is required.

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