ISL8844AAUZ

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The ISL8844AAUZ is a Power Management Integrated Circuit (PMIC) designed to provide the most efficient, cost-effective power solution for many systems. It provides advanced features and capabilities in a single, highly integrated package. The ISL8844AAUZ power IC is ideal for applications that require high reliability, long life, and low system cost. The ISL8844AAUZ can be used for both AC-DC and DC-DC converters, as well as in offline switchers.

ISL8844AAUZ devices are designed for high power, high efficiency solutions with a wide output range, flexible control and maximum reliability. The device provides a wide operating range of up to 80V input with a fully integrated boost circuit and up to 30V boosted output. The current mode control, high power factor, internal soft start and frequency dithering features, reduce little EMI signals and enable high efficiency performance. With the advanced features and innovative architecture of this product, the ISL8844AAUZ is suitable for a wide range of AC-DC and DC-DC applications with low number of external components.

The ISL8844AAUZ also provides a synchronized output, adjustable current limiting and overtemperature protection as well as soft-start and frequency dithering functions. The device regulates a voltage from a distorted AC mains or DC supply and provides a regulated voltage to an electronic load. It can accept input voltages up to 80V and output voltages up to 30V. It has an integrated boost converter and adjustable current limit or DCM cutoff feature. The device also offers programmable soft start, power factor correction, frequency dithering and output synchronization.

Other features of the ISL8844AAUZ PMIC include a power-saving mode, an adjustable operating frequency, and a programmable loop compensation. The power-saving mode reduces the switching frequency when the output power is below the setpoint while still maintaining the output voltage accuracy. The adjustable operating frequency allows the user to set the switching frequency between 45kHz and 550kHz. The programmable loop compensation optimizes the loop characteristics to reduce output ripple, improve transient response and stability.

The ISL8844AAUZ is ideal for AC-DC and DC-DC applications like personal computing, communication, and consumer electronics. This power IC is capable of powering a wide range of electronic loads from a single input, which minimizes system cost and provides high power efficiency. The device’s tiny footprint of 2.5 mm x 3.0 mm makes it perfect for integration into space-constrained designs. The ISL8844AAUZ is designed to meet the requirements of safety standards such as UL, CSA, TUV, and CE.

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