ISL6421ER-T

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Lately, ISL6421ER-T has become a popular choice among low-voltage power management integrated circuits (PMICs), specifically voltage regulators. Voltage regulators are commonly used in many applications, ranging from portable electronics and gaming consoles to industrial applications. The ISL6421ER-T is a low-voltage linear voltage regulator that provides a regulated output voltage within ±2% accuracy. As a special purpose voltage regulator, it is well-suited for battery powered applications in a small form-factor.

The ISL6421ER-T offers a variety of features that make it suitable for applications where accuracy and regulation are essential. These features include: a wide input voltage range of 4.75V to 26.5V; an adjustable output voltage range of 0.8V to 11.5V; a maximum output current of 1.8A; low quiescent current of 15µA; and high efficiency of up to 96% over a wide output current range. Its low operating temperature is also an advantage, with a maximum operating temperature of +125C.

The ISL6421ER-T is designed to work as a low-cost, low reset-voltage, current-limited linear regulator. Its working principle is that it first controled by an external resistor and capacitor, to generate the feedback control voltage, and then the voltage error amplifier compares the feedback voltage to an internal voltage reference. The output of the error amplifier is then amplified by the output stage to regulate the output voltage. The output current is limited by an internal current sense resistor in series with the output. The output current limitation is also user adjustable. The ISL6421ER-T also features over-temperature, over-current and short circuit protection.

The ISL6421ER-T is especially suitable for applications where precise voltage regulation, low quiescent current or compact form factors are needed. It can be used in a variety of applications, such as portable electronic devices, automotive electronics and gaming consoles. The device can be utilized in products ranging from smartphones and tablet PCs to battery-powered industrial systems. In addition, the ISL6421ER-T has multiple packages options to fit any design requirement.

Overall, the ISL6421ER-T is a versatile and cost-effective low-voltage linear regulator with a wide range of applications. Its small and compact form factor, high efficiency and low quiescent current make it ideal for battery-powdered applications. The wide range of features and adjustable parameters make the ISL6421ER-T a suitable choice for any application that requires precision voltage regulation and accuracy. Given the advantages it offers, this voltage regulator is a great choice for designers looking for highly efficient, reliable and cost-effective power management solutions.

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