MIC2870YFT-T5

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The MIC2870YFT-T5 is an IC that falls under the category of PMIC (Power Management ICs) - LED Drivers. It is designed to boost an input voltage of up to 8V to an output voltage of 22V in order to drive LED chains. It is an ideal choice for LED lighting solutions due to its wide operating temperature range of -40°C to +125°C and low current consumption of <5μA.

The MIC2870YFT-T5 is a very efficient device with a high power factor of up to 0.9 and low power dissipation of <1W. This makes it suitable for a variety of applications such as mobile phones, notebooks, and general lighting.

The MIC2870YFT-T5 includes the following features:

• Over-voltage protection (OVP)
• A dynamic boost current setting of up to 600mA
• An adjustable peak drain current of up to 3A
• An adjustable switching frequency of up to 2.5 MHz
• An 8-bit PWM dimming interface
• A 2.5~5V low-voltage power supply

The MIC2870YFT-T5 also offers extensive safety features built in to ensure reliable operation even in extreme conditions. It has over-temperature protection (OTP), short-circuit protection, over-current protection, and peak current regulation. It also includes a high impedance state for active shield and an output fault detector to detect faults in the output stage.

The MIC2870YFT-T5 is based on a buck converter topology, allowing for a wide range of output voltages and currents. The output voltage is adjustable from 8-22V via an external voltage sense resistor. The output current is adjustable from 0-600mA via an external resistor. The switching frequency can be adjusted from 350kHz up to 2.5MHz, giving designers greater flexibility and control of their LED lights.

The MIC2870YFT-T5 also features an efficient buck converter architecture and advanced hysteretic control. This ensures low power dissipation and minimum switching losses, making it an ideal candidate for low power applications. The part is also housed in a small, thermally-efficient SOP-8 package.

In summary, the MIC2870YFT-T5 is a highly efficient and reliable integrated device for driving LED chains. It provides over-voltage protection, adjustable current, adjustable frequency, and other features, giving it great flexibility in a variety of applications. Combined with its wide operating temperature range and low current consumption, the MIC2870YFT-T5 makes an excellent choice for LED lighting solutions.

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