FAN2515S285X

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FAN2515S285X Application Field and Working Principle

The FAN2515S285X series of low-dropout (LDO) linear voltage regulators are capable of providing up to 2.5A of output current. The device provides a wide range of output voltages depending on the model, from 0.8V to 4.2V. The FAN2515S285X series is available in the ultra-compact DFN2020-8 and SOT-23-5 package, which suits them well for space-constrained applications.

The FAN2515S285X series of LDO voltage regulators are suitable for applications such as smart phones, tablets, hand-held portable devices, portable/wearable electronics, automotive systems and many other applications where power management is required. Moreover, it is also suitable for any portable device with low-power battery management, such as medical and health devices and point-of-load (POL) converters.

The FAN2515S285X series of LDOs boast a number of useful features, including:

• Ultra-low dropout voltage at 0.6V and maximum load currents of 2.5A
• High power efficiency under light load conditions
• Wide output range of 0.8V to 4.2V
• Low quiescent current: 8uA
• Ultra-compact DFN2020-8 and SOT-23-5 packages

The FAN2515S285X series of LDOs work by maintaining a constant output voltage, regardless of large changes in input voltage and output current. This is done by first sensing the output voltage using a feedback loop, then using a series of transistors to regulate the output voltage. When the output voltage rises too high, the series of transistors will be switched off, reducing the current and bringing the output voltage down to the desired level, and vice versa for when the output voltage is too low. This allows for a precise output with minimal power dissipation.

The FAN2515S285X series of LDOs offer a wide range of output voltages, a low drop-out voltage and high power efficiency, making them suitable for space-constrained applications, such as hand-held portable devices and automotive systems. With a high-precision output, the FAN2515S285X series of LDOs make an attractive option for any application where power management is required.

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