Voltage - Input (Max):	18V
Supplier Device Package:	8-SO-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	500kHz
Current - Output:	3A
Voltage - Output (Max):	15.3V
Voltage - Output (Min/Fixed):	0.8V
Series:	EZBuck™
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AOZ3024PI Application Field and Working Principle

Introduction

AOZ3024PI is a high-performance, DC-to-DC synchronous step-down switching regulator. Its primary applications are found in power management and voltage regulation of a wide variety of systems. AOZ3024PI delivers an efficient and reliable solution optimized for space constraints and small form factor designs.

Performance Overview

The AOZ3024PI switching regulator offers a wide range of features, such as a low operating current of 1.5uA and a four-phase low-side gate drive that allows for a low 0.9V output voltage with a wide input voltage range of 6.0V to 30V. This, along with its integrated 200mΩ 4L-MOSFETs, places the AOZ3024PI at the top of the list of DC-DC switching regulators. AOZ3024PI is suitable for various applications from consumer electronics, industrial applications and automotive applications.

Features

AOZ3024PI provides a wide range of features for maximum reliability and system design flexibility. The device is designed to be configurable and can be used in fixed- and adjustable-output voltage applications. It offers a wide 4.5V–30V input and output voltage range, adjustable output voltage range of 0.8V-26V, adjustable current limit (from 1.2A to 4.5A), and up to 95% efficiency.The device includes an integrated inductor current sense amplifier to monitor the inductor current, providing a predictable ramp rate for optimized efficiency. PQFN-H and SOT-23 packages are available for surface mount and through-hole mounting, respectively.The AOZ3024PI provides excellent protection against input and output voltage overvoltage and overcurrent faults, as well as power-on/off delay settings, enable/disable functions and enable/inhibit functions.

Working Principle

AOZ3024PI is a synchronous step-down DC-to-DC switching regulator. The device works by using a four-phase low-side gate drive, which allows a low 0.9V output voltage at a wide input voltage range. The switching regulator uses a single inductor, which is switched on and off by a four-phase control circuit. This creates a pulse-width modulated (PWM) current waveform to the load, resulting in a pulsed DC output voltage.The main advantages of the switching regulator are its low noise operation, low electronic switching noise and its ability to provide a regulated output voltage. In addition, the AOZ3024PI switching regulator has an integrated inductor current sense amplifier to monitor the inductor current, providing a predictable ramp rate for optimized efficiency.

Conclusion

The AOZ3024PI is a high-performance, DC-to-DC synchronous step-down switching regulator with some extra features including an integrated inductor current sense amplifier to monitor the inductor current, providing a predictable ramp rate for optimized efficiency. The device is suitable for various applications from consumer electronics, industrial applications and automotive applications.

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