A8435EESTR-T Integrated Circuits (ICs)

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PMIC - LED Drivers

A8435EESTR-T is a high-performance white LED driver for LCD backlighting applications, which combines existing LED dimming and boost converting circuits into a single device. It is also used in general purpose LED lighting applications and incorporates a wide input voltage range from 3V to 20V, as well as adjustable power, voltage and current to ensure maximum flexibility. With its high integration of these features, the A8435EESTR-T provides an ideal solution for the design of a wide range of LED applications.

Application Field

The A8435EESTR-T is specifically designed for applications such as portable devices, notebook PCs, LCD displays and many general purpose lighting systems. This device can simultaneously provide several power, voltage and current combinations in order to meet the user\'s specific requirements. Moreover, the adjustable range of constant current can be selected to achieve the desired power output.

Working Principle

The A8435EESTR-T is a boost converting LED driver with a constant-current output. The LED driver is composed of an internal synchronous buck-boost converter, which can be configured to provide the appropriate power and voltage to drive the LED. The internal synchronous buck-boost converter operates by storing energy during the switching interval and then releasing the energy during the non-switching interval, thus providing a constant current output. The A8435EESTR-T utilizes an on-chip analog dimming feature to achieve an adjustable power output.

Conclusion

Given its wide input voltage range, high integration and comprehensive functionality, the A8435EESTR-T is a versatile, reliable and cost-effective solution for a wide range of LED applications. This device is particularly suited for applications such as portable devices and general purpose lighting systems, where precise current and power control, and bias voltage flexibility is required.

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