PT4110A

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DC to DC converters are devices utilized to convert current from one voltage level to another. The PT4110A is a DC to DC converter specifically designed to convert from a 9-36V input and output a 13.8V, 20A regulated output voltage. PT4110A is useful in a range of applications where a reliable output voltage is required at a constant 20Amps.

Application Fields

One of the most common applications for the PT4110A is in DC to DC battery chargers. Battery chargers which require consistent voltage levels for uniform charges usually require a stable DC to DC converter to provide the necessary power supply. The PT4110A is a great option for these applications because of its high efficiency and reliability.

The PT4110A is also useful in DC motor control systems where drives require precise voltage to regulate speed or power. Industrial applications for the PT4110A include dishwashing machines, vending machines, medical equipment, communication systems, and payment systems. With its high power capabilities, the PT4110A is ideal for these uses.

Within the automotive sector, the PT4110A is useful in applications such as engine start/stop systems, power steering, and high voltage alternators. With its capacity to convert low voltage DC into higher voltage DC, the PT4110A allows for the optimization of low-power vehicles that are still able to perform efficiently.

Working Principle

The PT4110A comprises several components which allow it to produce an adjustable regulated voltage. At the heart of the design is a synchronous Buck converter with a minimum on-time of 400ns and a maximum off-time of 420ns. This provides a high switching frequency of 950KHz and a maximum efficiency of 95%.

The input is boosted by an inductor and a diode before being self-oscillating with the use of two n-channel MOSFET transistors. The output is regulated by an error amplifier which compares the desired voltage to the actual output. Any extra current is dissipated safely by a separate heat sink and a built-in current protector.

The self-oscillating PWM controller used in the PT4110A is able to keep the output voltage stable even under conditions of varying input voltage and load current. This makes it a suitable choice for applications with varying input sources and load conditions. The controller is also embedded with safety protection features as well as an indication signal to let you know when the output voltage is being maintained.

The PT4110A is a reliable and efficient DC to DC converter providing up to 20A of regulated voltage at 13.8V. Its robust design permits for higher flexibility to its application in a variety of industries as well as its use in the automotive sector. Its synchronous Buck converter design ensures low noise operation while the self-oscillating PWM controller ensures a stable output even under changeable conditions.

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