Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, AMD SVI
Voltage - Input:	5 V ~ 12 V
Number of Outputs:	2
Voltage - Output:	Up to 2V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-QFN (7x7)
Base Part Number:	ISL6324

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ISL6324AIRZ-TR5381

Application Field

The ISL6324AIRZ-TR5381 is a highly integrated Special Purpose Module (SPM) voltage regulator designed in 28-pin DSO and 3x2 PowerPAD packages. With its modern and flexible switching regulator architecture, the ISL6324AIRZ-TR5381 can operate from a wide variety of power sources, including both hard-switched and soft-switched power buses. It is ideal for industrial, automotive, server and computer applications where reliable, cost-effective voltage regulation is required.The ISL6324AIRZ-TR5381 consists of a single-channel, DC-DC buck controller which regulates an output voltage of 1.00V with a maximum output current up to 340mA. The DTST pin provides a 0.1mV/mA precision reference voltage to accurately control the output voltage in low-power applications such as Digital-to-Analog (D/A) Converters, power amplifiers and microprocessor core voltages. Additionally, the controller operates over a wide temperature range (from -20°C to 85°C) and features an integrated local temperature protection to further ensure reliable operation in harsh environments.

Working Principle

The ISL6324AIRZ-TR5381 works on the principle of regulated DC-DC conversion. The module consists of two main blocks - a controller and a power switch circuit. The controller handles all the settings - such as the output voltage and current limit settings, as well as the switch frequency settings. The power switch circuit is responsible for converting the incoming voltage into the regulated output voltage. It controls the current which flows in and out of the module, as well as the output voltage.The module has a built-in feedback circuit which senses the output voltage and adjusts the switch waveform accordingly. This helps to ensure that the output voltage is kept constant, regardless of the load conditions.The module is capable of operating with a wide range of input voltages (as low as 6V and as high as 42V). This feature makes it suitable for a wide variety of applications - such as car audio, computer equipment and motor controllers. It also has a high efficiency rating, up to 92%. This means that the module has high efficiency, which reduces the amount of power wasted in the conversion process.In addition, the module is highly reliable due to its robust protection features. It has an over-temperature protection and a short-circuit protection, both of which help to keep the module safe from damaging conditions. It also has a built-in soft-start, which reduces in-rush current during start-up, further improving the stability of the system.

Conclusion

The ISL6324AIRZ-TR5381 is a highly integrated SPM voltage regulator which provides reliable and cost-effective voltage regulation for a wide range of industrial, automotive, server and computer applications. Its modern and flexible architecture enables it to operate over a wide range of input voltages from 6V to 42V and delivers a maximum output current of 340mA. Its robust protection features, such as over-temperature and short-circuit protection, as well as its high efficiency rating make it a reliable and attractive choice for a variety of applications.

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