MAX16831ATJ+T

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The MAX16831ATJ+T one-channel 4MHz DC-DC constant current LED driver is designed for driving LEDs in mobile phones and other portable devices. This driver is ideal for driving up to three LEDs simultaneously with up to 85mA peak output current. It features adjustable output current, automatic current-balancing, and a wide input voltage range from 2.7V to 5.5V. The MAX16831ATJ+T also has a low operating current of 6.5mA and a low shutdown current of 2μA. It is designed to provide superior efficiency and thermal performance with its 4MHz internal oscillator and low quiescent current. The MAX16831ATJ+T supports applications up to 8V and can be used in many other types of applications such as LCD backlights, automotive lighting, and LEDs for signage and channel letters.

The MAX16831ATJ+T is a constant current LED driver that operates in a step-down mode. It uses a constant frequency, current mode control architecture which enables it to maintain stable LED current regulation over varying input voltages. The driver is capable of driving up to three LEDs simultaneously up to a maximum of 85mA per LED in boost mode. The LEDs can be driven up to a maximum of 130mA when in parallel operation. The LED current is adjustable via either the selectable preset values or an external resistor. The MAX16831ATJ+T also features an adjustable voltage-feedback sense pin that allows users to increase the Constant-Current (CC) range. It has an external capacitor to set the switching frequency of the driver between 300kHz to 4MHz.

The MAX16831ATJ+T driver is designed to provide superior efficiency and thermal performance with its low quiescent current and 4MHz internal oscillator. It has an auto-switching feature that automatically switches between boost mode and buck/boost mode depending on the input voltage and output voltage conditions. This enables the driver to operate efficiently over a wide range of DC input voltages. The driver also features a built-in over-voltage protection that shuts down the output in case of an over-voltage condition. The wide operating temperature range and the low shutdown current make this an ideal solution for use in mobile phones and other battery-powered applications.

The MAX16831ATJ+T is designed to provide efficient and cost-effective LED lighting solutions for a range of applications. Its wide input voltage range, adjustable LED current and over-voltage protection make it suitable for a variety of LED lighting applications. The 4MHz internal oscillator ensures low current consumption and high efficiency, which makes this driver an attractive solution for mobile and battery-powered devices. The adjustable voltage-feedback sense pin allows the driver to be used for applications up to 8V. Additionally, the driver\'s automatic current-balancing feature makes it an ideal solution for applications that require uniform LED brightness over different currents.

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