AOZ3015AI

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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AOZ3015AI Application Field and Working Principle

Introduction:

AOZ3015AI is an advanced, highly integrated DC-DC switching regulator from Diodes Incorporated, an innovative provider of semiconductor components. The AOZ3015AI is one of the newest additions to the AOZ3000 series of DC-DC switching regulators and has been designed for high efficiency applications. As is typical for Diodes Incorporated components, the AOZ3015AI is reliable, cost-effective and simple to implement. The AOZ3015AI series converters offer a wide range of features and benefits, making them ideal for a variety of applications.

Application Field:

The AOZ3015AI is a DC-DC switching regulator with a wide range of applications. It is ideal for applications where a single output voltage is required with high efficiency and low power dissipation. Its wide input voltage range and output current range makes it suitable for powering many types of portable devices, such as smartphones, tablets, and consumer electronics. It also features a proprietary adaptive on-time (AOT) control which enables faster loop response times, improving reliability and overall system performance. The AOZ3015AI is suitable for applications requiring up to a maximum of 15V output voltage and 1.5A load current.

Working Principle:

The AOZ3015AI is a synchronous DC-DC buck converter based on Diodes Incorporated’s proprietary AOT control. The AOT control enables the converter to operate in voltage mode, providing fast loop response and excellent stability. The AOZ3015AI has a high efficiency of up to 95%, which minimises power dissipation and helps reduce the size of the overall system.The AOZ3015AI utilizes N-type MOSFETs in a synchronous buck configuration to regulate an output voltage across an external resistor or capacitor. When the input voltage is applied to the AOZ3015AI, the integrated control circuit regulates the output voltage until it reaches the set voltage. The control circuit uses the AOT control to regulate the output voltage by adjusting the duty cycle of the MOSFETs. The AOT control also provides pulse-width modulation (PWM) and pulse-frequency modulation (PFM) operation modes, resulting in improved efficiency and transient response.In addition to the AOT control, the AOZ3015AI also features an external soft start pin, power-good output pin, and optional EN/SYNC input pins. The external soft start allows the user to control the startup process, while the power-good output pin operates to indicate the power is ready and valid. The optional EN/SYNC input pins can be used to synchronize the switching frequency to an external source.

Conclusion:

The AOZ3015AI is a highly integrated DC-DC switching regulator from Diodes Incorporated. It is ideal for applications requiring single output voltage, high efficiency and low power dissipation. The AOZ3015AI implements Diodes Incorporated’s proprietary adaptive on-time (AOT) control for improved issue response times, system performance and reliability. Other features include an external soft start pin, power-good output pin, and optional EN/SYNC input pins. The AOZ3015AI is suitable for up to 15V output voltage and 1.5A load current.

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