MAX5008CUB+T

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MAX5008CUB+T Application Field and Working Principle

Maxim Integrated introduces the MAX5008CUB+T, a highly-efficient, standard- and low-dropout (LDO) regulator with auto-configuring current-limit capabilities. This device is suitable for battery-operated portable applications such as mobile phones, PDAs, digital cameras, and Cellular Terminals. It is part of the portfolio of PMICs (power management integrated circuits) under the special purpose voltage regulator category.

The MAX5008CUB+T operates over an extended input voltage range of 2.3V to 5.5V, with an enables and a single output that can generate up to 1A of continuous output current. Its low quiescent current of only 27uA (at 250mA) makes the device suitable for applications such as battery-powered systems, notebook PCs, and portable media players that require less power consumption.

The MAX5008CUB+T is designed to provide superior power management between the power supply and the load, for a wide range of input, output, and load conditions, significantly extending the life of the battery. With its wide differential input voltage range of up to 2.3V to 5.5V, it enables a low 1.2V output voltage that can be adjusted with external resistors. Its Adaptive Peak Current Limit (APCL) auto-configures to easily and accurately achieve the required current limit level.

The APCL feature of the MAX5008CUB+T enhance the ability of the device to quickly adjust to the output current, allowing it to perform under a wide range of conditions and reduce power dissipation. It also ensures that the switch does not saturate, as excess current can result in increased power dissipation. The APCL feature also helps prevent \'latch-up\' during load transients, resulting in lower output noise and better system stability.

The device also features high-efficient operation over the entire input voltage range. This eliminates the need for an additional power switch to reduce power dissipation. The unique design of the MAX5008CUB+T eliminates the need for heatsink and can reduce thermal stress and component design complexity. The use of advanced CMOS technologies also enables the provision of higher transient response and lower input voltages.

In addition, the MAX5008CUB+T features a shutdown mode that is capable of low current consumption of only 10nA to reduce system power consumption. The device also features output voltage sense and reverse current protection to provide system safety and reliability.

The MAX5008CUB+T is designed for applications that require a higher level of accuracy and efficiency. With this device, our customers can reduce their design complexity, board space, and power consumption—ultimately providing their users with the convenience of a longer battery life.

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