S-1142DB5I-E6T1U

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Voltage regulators are components used in electrical circuits that supply a steady and regulated output voltage to a load using just the input voltage. They are commonly used in voltage supply systems for battery-powered and mains-powered electrical equipment. Linear voltage regulators are regulators that maintain a constant output voltage that is set by an externally adjustable reference voltage. The S-1142DB5I-E6T1U is a 5A step-down converter and a simple, efficient and cost-effective linear voltage regulator.

Application Field

The S-1142DB5I-E6T1U is a 5A low-current, low-dropout linear voltage regulator. This makes it a suitable choice for a wide variety of portable devices and consumer electronics such as digital cameras, PDAs, cell phones and other handheld digital devices. The S-1142DB5I-E6T1U is also suitable for digital and analog system applications such as automotive systems, power conversion, and high-end digital audio products. The S-1142DB5I-E6T1U is designed to maintain a stable output voltage even when faced with varying load conditions or changing input voltage.

Working Principle

The S-1142DB5I-E6T1U is a linear voltage regulator that works on the principle of controlling an external pass element with a reference voltage. The pass element, typically a series pass transistor, varies its impedance based on the input volatge and the reference voltage. The output voltage is determined by the voltage drop across the pass element and the reference voltage. As the load current varies, the pass element adjusts its impedance accordingly to maintain the output voltage. The S-1142DB5I-E6T1U has an on-chip regulated reference voltage that allows the output voltage to be externally adjustable.

Features

The S-1142DB5I-E6T1U has several features that makes it a desirable choice for portable electronics and other applications. The device has an integrated LDO controller, allowing for quick start-up times and improved accuracy. It also has a low dropout voltage of 0.322V, allowing it to maintain a stable output voltage even when the input voltage drops. The S-1142DB5I-E6T1U also has an integrated over-temperature protection, over-current protection, and thermal shutdown protection. Additionally, the device has an adjustable output voltage range of 1.8 - 6V, making it suitable for a wide range of applications. The S-1142DB5I-E6T1U also features a low current consumption of 3.5uA in idle mode, and has an on-chip overvoltage protection adjustable up to 10Vref.

Conclusion

The S-1142DB5I-E6T1U is a simple and efficient 5A low-dropout voltage regulator with a wide range of applications. The adjustable output voltage and current protection features make it suitable for a variety of battery-operated and mains-powered portable devices. This can help to reduce the power consumption and overall cost of these types of systems. Additionally, the low current consumption of the S-1142DB5I-E6T1U can lead to improved battery life. Overall, the S-1142DB5I-E6T1U is a reliable and cost-effective solution for voltage-regulated applications.

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