AOZ2153EQI-30

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The AOZ2153EQI-30 is a DC-DC buck non-synchronous step-down regulator designed in a small 2-mm x 2-mm TDFN package. This device is capable of operating under a wide range of input voltages (3 to 28 V) and delivers up to 2 A output current. The device comprises a high-side NMOS switch and a low-side NMOS switch configured in a buck topology, in combination with adaptive ON time control. This allows it to maintain constant ON time operation over input voltage and output load changes. The AOZ2153EQI-30 also consists of an internal circuit for synchronizing externally supplied clock signals, an integrated loop compensation network and a soft-start window comparator for controlling the ramp-up and ramp-down slew rate of OUT voltage. The comprehensive feature set makes this device ideal for a wide range of applications, including embedded systems, desktops, laptops and other computing platforms.

The AOZ2153EQI-30 works on the buck converter principle. The current flow is controlled by switching two MOSFETs, a high-side MOSFET and a low-side MOSFET, on and off in a non-synchronous manner. When the high-side MOSFET is turned on, the input voltage is applied to the output, and the inductor current starts to increase. When the high-side MOSFET is then turned off, the energy stored in the inductor is released, and the output voltage is regulated by the low-side MOSFET against ground. The AOZ2153EQI-30 takes advantage of adaptive ON time control, which allows it to maintain a constant ON time over a wide range of input voltages, and the synchronization of externally supplied clock signals for more precise control of power delivery.

As a DC-DC buck non-synchronous step-down regulator, the AOZ2153EQI-30 is typically applied to a variety of embedded systems, desktops, laptops, and computing platforms. The device is capable of operating over a wide range of input voltages (3 to 28 V) and delivers up to 2 A output current. Its adaptive ON time control and synchronization of externally supplied clock signals are capable of providing precise control of power delivery, making it an ideal and reliable solution in these applications.

The AOZ2153EQI-30 offers several other beneficial features including a low quiescent current of 15 mA, a wide range of operating frequencies from 200 kHz to 3 MHz, and an adjustable soft-start window comparator for controlling ramping up and ramping down the OUT voltage. It also includes a comprehensive protection suite, composed of programmable over current protection, Under voltage Lock Out, Over temperature protection, and Reverse battery protection, offering reliable operation in different conditions.

The AOZ2153EQI-30 is a cost-effective step-down DC-DC regulator that\'s suitable for a broad range of applications due to its wide range of input voltage, output current, and frequency requirements. Its adaptive ON time control, synchronization of externally supplied clock signals, and comprehensive protection suite make it an ideal and reliable solution for embedded systems, desktops, laptops, and other computing platforms.

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