ISL9012IRMGZ-T

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The ISL9012IRMGZ-T is an integrated high-efficiency, high-accuracy linear voltage-regulator converter module from Intersil. This regulated power converter module combines power factor correction (PFC) with a synchronous low-profile buck converter for efficient voltage regulation of both AC and DC power supplies.

The ISL9012IRMGZ-T, with a rugged metal-oxide-semiconductor field-effect transistor (MOSFET) power switching architecture, delivers an instantaneous current-limit-protection capability for ultimate protection of downstream circuits. The module features a synchronous rectification using a low-resistance layout that delivers improved power efficiency and superior thermal performance.

The module is rated to deliver up to 15A of continuous output current with a peak load-current capability of 18A with a 2ms on-time under a constant-license temperature of up to +85°C. This module is suitable for a variety of applications, such as LED lighting, telecom systems, medical systems, networking devices, and consumer electronics.

The module has an operating input voltage range of up to 480VACrms and supports a wide output-voltage range of 0.85V to 55V. The module features a programmable frequency range of up to 500kHz and supports both PFC and low-profile buck operation for efficient wide-input-voltage and wide-output-voltage operation. The ISL9012IRMGZ-T also includes a voltage-loop compensation circuit which reduces output voltages ripple to less than 1mV peak-to-peak and provides a tight output-voltage regulation down to 1% accuracy.

Also, the module features an integrated frequency-dropping function for innovative light-load identification. The frequency-dropping function reduces the switching frequency of the module to reduce the input power consumption during light loading. This reduces power consumption and improves power efficiency at lower loading conditions.

To maximize power efficiency and vibration noise, the module also includes an integrated spread-spectrum feature, which modulates the switching frequency in a pseudo-random pattern, avoiding the high-peak current usually drawn by peak inductors. This spread-spectrum feature improves noise immunity while reducing EMI emissions.

These features enable the ISL9012IRMGZ-T to perform reliably in a wide range of harsh and demanding applications. The module also features built-in fault protections for over-voltage, under-voltage, over-temperature, and over-current conditions to ensure the safe operation of downstream circuitry.

In summary, the ISL9012IRMGZ-T is an integrated high-efficiency, high-accuracy linear voltage-regulator module from Intersil. Suitable for a range of applications, the module features a rugged MOSFET power switching architecture with a maximum instantaneous current-limit protection and a wide operating input and output voltage ranges. The module also includes an integrated spread-spectrum feature which reduces EMI emissions, as well as efficient frequency-dropping and fault-protection functions, making it an ideal choice for reliable power conversion in demanding applications.

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