AOZ1020AI

Series:	EZBuck™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	16V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Output (Max):	16V
Current - Output:	2A
Frequency - Switching:	500kHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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AOZ1020AI Application Field and Working Principle

The AOZ1020AI is a high efficiency synchronous DC-DC step-down voltage regulator that is specifically designed for power factor correction (PFC) application. This product family includes three versions: AOZ1020AI-01 (1A output), AOZ1020AI-02 (2A output) and AOZ1020AI-03 (3A output). It is designed using Silergy’s proprietary Adaptive Multi-Phase™ technology to deliver high current with fast transient response, in an ultra-small form factor. The AOZ1020AI operates from an input voltage range of 4.5V to 28V, and provides an adjustable output voltage range from 0.8V to 18V with very good line and load regulation. It features a true differential remote sense and adjustable soft-start ramp rate, allowing users to tailor the start-up power consumption to their individual needs. The AOZ1020AI has high efficiency, low noise, fast transient response and excellent line and load regulation, making it suitable for wide variety of power conversion applications such as low noise regulation and/or high density power applications. It also supports diode emulation mode (DEM) and Burst Mode operation to maximize system efficiency while providing a very low no-load current consumption. The AOZ1020AI provides a 3.2A Internal Gate Drive ideal for synchronous buck applications. The IC also features over-current protection, which monitors the current limit, and output over-voltage protection (OVP) and under-voltage protection (UVP), which prevents catastrophic device failures. The AOZ1020AI is targeted for space-constrained applications such as Power Factor Correction (PFC) and distributed power systems with multiple rails requiring fast transient response and precise regulation. This low profile 10.2mm x 10.2mm QFN package is suitable for high density applications, and optimized for thermal performance in VoIE configurations.

DC DC Switching Regulators

DC-DC switching regulators are an essential element in many modern power systems due to their high efficiency, low noise, fast transient response and precise regulation. Commonly used in distributed power systems, they provide an adjustable output voltage range from 0.8V to 18V with very good line and load regulation.The AOZ1020AI is a high efficiency synchronous DC-DC step-down voltage regulator utilizing Silergy’s proprietary Adaptive Multi-Phase technology to deliver high current with fast transient response. It operates from an input voltage range of 4.5V to 28V and provides adjustable output from 0.8V to 18V with excellent line and load regulation, suitable for wide variety of power conversion applications such as low noise regulation and/or high density power applications. The AOZ1020AI features high efficiency and outstanding dynamic characteristics, including fast transient response, low output ripple and good line/load regulation. It also supports diode emulation mode (DEM) and Burst Mode operation to maximize system efficiency and minimize no-load current consumption. Additionally, the IC has a 3.2A Internal Gate Drive, over-current protection and both OVP and UVP protection.The AOZ1020AI is packaged in an ultra-small 10.2mm x 10.2mm QFN package, ideal for space-constrained designs such as Power Factor Correction (PFC) and distributed power systems with multiple rails. The low profile package is optimized for thermal performance in VoIE configurations, making it an ideal solution for high density applications.

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