ISL6263BHRZ-T

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The ISL6263BHRZ-T is a low dropout regulator (LDO) in Intersil\'s ProASIC3 family. It is available in a variety of packages and offers up to 1.8 A output current. The device is designed with an ultra-low quiescent current of 50 μA and operates within a 3.3 V to 28 V input voltage range to provide a regulated output voltage of 1.0 V to 10 V. It is designed to meet the requirements of cellular and portable applications where space and power consumption is a premium.

The ISL6263BHRZ-T provides an extremely small output noise as low as 10 μVrms. The device is protected against turn-on/turn-off glitches and reverse current transients. It also has an internal overtemperature protection and reverse blocking protection. The ISL6263BHRZ-T is available in a variety of packages to suit a variety of applications.

Application Field

The ISL6263BHRZ-T is a versatile LDO suitable for battery-powered applications, such as cellular or portable devices. It is suitably suited for USB power management applications for smart phones, portable media players, digital cameras, and automotive meters. Additionally, due to its wide input voltage range and low dropout voltage, it can be used in a wide range of applications including industrial, consumer, portable and automotive. The device is designed with an ultra-low quiescent current to provide excellent power management even under low-load conditions.

Working Principle

ISL6263BHRZ-T employs a linear regulator architecture which utilizes a series of transistors and diodes to reduce the voltage of the input source to a desired output voltage. The output voltage is regulated by a feedback loop which adjusts the reference voltage through a control transistor, in order to maintain a constant output voltage regardless of loading conditions. The ISL6263BHRZ-T is designed with a low output impedance to maintain a regulated output voltage over a wide range of load currents and input voltages.

The device also employs an overload protection mechanism which shuts down the output when the output current exceeds the specified limit. In addition, the device is covered by a thermal protection system which shuts down the output in the event of an overtemperature event.

The ISL6263BHRZ-T is designed to provide high performance power regulation with very low power dissipation and low output noise. It is ideal for battery-powered applications, such as cellular and portable devices, and offers excellent performance and reliability even in challenging environments.

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