UCC3895PWG4

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Power management integrated circuits (PMICs) are integrated circuits used to manage and convert power in electronic systems. One of the most common types of power management integrated circuits is the AC DC converter, which is an electronic device that converts electrical energy from one form to another. The UCC3895PWG4 is an integrated circuit designed for applications such as non-isolated AC/DC converters, offline switchers for use in distributed power systems.

One of the major advantages of using a UCC3895PWG4 is its low component count, making it much cheaper than traditional AC/DC converters with the same power output. Additionally, the integrated circuit contains all the necessary components for operation, such as a power MOSFET, rectifier, filter capacitors and a high-voltage transformer. This means that only one UCC3895PWG4 is required to construct a power supply system.

The UCC3895PWG4 is a single-chip, pulse-width modulated (PWM) off-line switcher with integrated drivers that provides all the protection circuitry necessary for LED drivers and other off-line switchers. The integrated pulse-width modulator (PWM) has three channels that allow the switcher to be set up in multi-channel configurations, providing the flexibility to control multiple devices simultaneously. The integrated driver is capable of controlling the gate and source of a MOSFET via a simple digital signal, meaning it can be used with any voltage level or current rating.

The UCC3895PWG4 works by using the input voltage to increase the current in the circuit, which then passes through the power MOSFET on the output. The current is regulated by the PWM controller and the on-chip opto-isolator, which provide feedback to the PWM controller that sets the maximum current, ensuring safe operation of the device. The protection features of the UCC3895PWG4 also help to prevent any damage to the device or the power supply system. The protection features of the integrated circuit include an overvoltage protection and an undervoltage protection.

The UCC3895PWG4 is designed for applications such as non-isolated AC/DC converters and offline switchers for use in distributed power systems. It is often used in LED drivers and lighting systems, point-of-load (POL) power supplies, industrial power supplies, uninterrupted power supplies (UPS), and server power supplies. It also has a wide range of applications in automotive, medical, and consumer electronics.

In summary, the UCC3895PWG4 is an integrated circuit designed for applications such as non-isolated AC/DC converters, offline switchers, and other electronic systems. It contains all the necessary components for operation, such as a power MOSFET, rectifier, filter capacitors and a high-voltage transformer. Its integrated driver is capable of controlling the gate and source of a MOSFET via a simple digital signal. Additionally, it also includes protection features such as an overvoltage protection and an undervoltage protection. It is often used in LED drivers and lighting systems, point-of-load (POL) power supplies, industrial power supplies, uninterrupted power supplies (UPS), and server power supplies.

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