PDT003A0X3-SRZ Power Supplies - Board Mount

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DC-DC converters are components used in the electronic circuit to convert an unregulated input voltage into a regulated DC output voltage. The resulting output voltage can be used to feed the circuit or system the converter is connected to, such as lighting, computers, and various other electronic devices. The PDT003A0X3-SRZ converter is a special type of DC-DC converter that is designed to provide a constant voltage output regardless of the input voltage applied. This type of circuit is an ideal choice for applications where a fixed voltage must be maintained regardless of input voltage changes.

The PDT003A0X3-SRZ is a non-isolated point-of-load DC-DC step-down (Buck) voltage converter with a wide operating input voltage range of 6.5 V to 34 V and an adjustable output voltage range of 0.6 V to 13.2 V. It has a maximum output current of 3A, a high efficiency of 90% or more, and a wide temperature range of -40℃ to +85℃. It also features over-current, over-voltage, and over-temperature protections. This makes the converter suitable for a wide range of industrial, telecommunication, and automotive applications.

The working principle of the PDT003A0X3-SRZ is based on its use of a pulse-width modulation (PWM) circuit. This circuit uses the incoming voltage to generate an on/off square wave signal. The frequency of the generated signal is determined by the onboard oscillator and is normally in the range of 15 kHz to 500 kHz. The PWM is then used to modulate the on/off signals to reduce the incoming voltage to the desired output voltage. The output voltage is regulated by the on-board voltage feedback circuitry.

In addition to controlling the output voltage, the PDT003A0X3-SRZ also provides a variety of features to improve system performance. These include soft-start function, diode-emulation, and adjustable mounting time. The soft-start function gradual ramps up the output voltage at startup to reduce the inrush current. Diode-emulation prevents the output voltage from over-shooting when the load is switched off. Finally, the adjustable mounting time ensures the output voltage is stable before the load is switched on.

The PDT003A0X3-SRZ is an ideal choice for applications where a reliable and accurate output voltage is needed. It can be used in various applications such as CPU/motherboard/graphics card, medical instrumentation, smart meters, power tools, and so on. With its wide operating input voltage range, adjustable output voltage, and efficient operation, the PDT003A0X3-SRZ can provide the necessary performance and reliability to any application.

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