ISL6369CRZ-T

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ISL6369CRZ-T is a low-dropout (LDO) voltage regulator special purpose, which is specifically designed for use in powered-down applications. It can provide low noise regulated output voltages in a wide range of application fields. As the name implies, the ISL6369CRZ-T is primarily used to integrate a regulated low dropout voltage in systems, where the input voltage varies often, and the output voltage should remain constant. So this specific integrated circuit allows the design engineer to build more efficient systems.

The ISL6369CRZ-T is an adjustable precision low-dropout linear regulator (LDO). It combines with an adjustable precision high current LDO in a single integrated circuit with a wide range of voltage regulation from 0.6V to 4.995V. The current rating is up to 8.5A for manual adjustment, 1.5A for the internal trim adjustment, and 0.2A for the disable mode. So that makes it suitable for a wide range of applications such as computer system boards, portable electronics, telecommunications, and test and measurement equipment.

The operating principle is to compare the output and reference voltage with an error amplifier. This reference is set by the external resistor divider located on the device pins, or internal trim if desired. The output voltage is adjusted by controlling the error amplifier which in turn sets the gate voltage of a pass transistor. The output voltage is, therefore, regulated to a value determined by the resistor divider, independent of input voltage and load changes. The ISL6369CRZ-T uses the resistor divider values commonly found on most LDO devices, thus simplifying board layout and design.

The ISL6369CRZ-T has a temperature range of -40°C to +125°C. This is important for applications which require a wide temperature range as it ensures that the output voltage remains stable over a wide temperature range. The device also offers various input and output protection features such as input precharge, over-current protection, and over-temperature protection.

In order to ensure that the voltage regulator meets all customer requirements a comprehensive testing process is conducted, including thermal and electrical evaluations, followed by comprehensive environmental testing, to ensure reliable operation over the entire operating temperature range. The testing and evaluation process is broken down into two parts, the electrical testing and the environmental testing. For the electrical testing, the device is first tested for current and voltage performance over the operating conditions, and then for the operation over aging.

Environmental testing then consists of temperature, vibration, and shock tests. These tests are then repeated and the results compared to the original test results to check for reliability and accuracy. The overall process is designed to ensure the device meets all customer requirements, and that the voltage regulator is reliable and accurate under any conditions.

The ISL6369CRZ-T is an excellent device for applications that require precise voltage regulation, such as telecom and datacenter applications. Its wide range of voltage regulation and current capability, robust protection features, and wide temperature range make it a perfect choice for these applications. This integrated circuit can be easily integrated into any system, and its small size and versatility make it great for compact system designs as well.

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