KPT45523-391

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The KPT45523-391 has been synonymously referred to as the KCY-25. This is an integrated PWM switch mode voltage regulator that is able to convert an input voltage into a lower, fixed output voltage. It is most commonly used in power supplies for computers, communication equipment, and other electronic devices.

The KPT45523-391 is a cost effective power device that is ideally built for applications that require high reliability, high performance, and small size. The device is based on the MAXIM/Cyrix technology and produces a steady 5V DC finish. A wide input voltage range of 4.5V to 40V allows the device to be quite flexible in its applications. It is typically used in applications that require a great efficiency and cost/space relationship.

The KPT45523-391 is a synchronous buck converter. This type of converter from MAXIM/Cyrix uses an internal PWM controller instead of the outdated hystere-limited control. This architecture not only improves the stability of the part, but also improves the response during transient loads. It also offers a higher efficiency than traditional hystere-limited parts.

The KPT45523-391 has three main sections. The control section consists of an on-board mosfet driver with output stages. This section provides the interface to the external components, as well as the steering control of the PWM and its current loop. The output of this section is also controlled by a by up to 5V/3V tracks, which allows the device to be customized to a specific output voltage.

The PWM block consists of a 14-bit resolution analog template generator, which provides an adjustable approach to the control adjustment. The Vout and Iout terminals are used to sense the output voltage and current from the device. Two op-amps with adjustable gains are provided to limit the current of the device when the load is increased.

The last section of the KPT45523-391 is the power section. This section provides the necessary regulation stability and dynamic response to the device. It contains the main current loop and error amplifier, which allows the device to regulate itself and keep a constant output voltage. This section also includes the main power switches and thermal shutdown circuitry, which protect the device from any over-current or over-temperature conditions.

The KPT 45523-391 is designed for use in high power systems such as laptop power supplies, LED drivers, and solar panel systems. One of the most common uses for this device is in power supplies where it is used to convert AC power to a regulated DC voltage. The device is also used in DC power supplies where the main power is at a higher voltage than the supply is needed to provide.

The KPT 45523-391 is a highly efficient, low noise, and low cost solution for applications that require a PWM switch mode voltage regulator. Its high efficiency of 88%, along with its wide input and output voltage range, makes it a great choice for applications where large currents are needed in relation to size or cost. The device also provides a great user experience with its easy setup, customizable features, and clean output.

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