AOZ6622DI

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AOZ6622DI is a high-performance, fully integrated synchronous buck regulator, and a member of the PMIC family of Voltage Regulators, more specifically DC DC Switching Regulators. This article covers the application field and working principles of this type of regulator.

Brief Introduction of AOZ6622DI

AOZ6622DI is an advanced single output synchronous DC/DC buck regulator, with up to 6A output current capability. It features wide input voltage range from 5.5V to 24V and can be programmed from 0.6V to 16V. It includes a wide operational junction temperature range of –40℃ to 125℃., and is packaged in a TDFN-14 package. The AOZ6622DI is intended for a wide range of applications such as point of load regulation, power supply designs, DC/DC converters, and wireless solutions.

Application Fields of AOZ6622DI

AOZ6622DI offers many advantages in its application fields. First and foremost, the wide input voltage range of 5.5V to 24V makes it suitable for a large range of input sources. Secondly, it can be customized with a fast or slow transition speed. This allows it to be used in various switching applications such as DC/DC converters and power supply designs. Thirdly, it has a wide operation junction temperature range of -40℃ to 125℃., making it suitable for use in harsh environments. Finally, its small TDFN-14 package allows it to be used in smaller applications.

AOZ6622DI can be broadly utilized in several kinds of cases. Designers can take advantage of its precise regulation to build point of load regulation in digital power solutions. It can be used in power supply designs such as notebook adapters, cellular handsets and data line solutions. Due to its wide operation temperature range, it can be used in automotive applications and industrial applications. It is also suitable for wireless solutions and smart phone applications.

Working Principles of AOZ6622DI

AOZ6622DI is a single output synchronous buck regulator. The input voltage is supplied to a synchronous rectifier and the output voltage is regulated using an error amplifier. When the input voltage is higher than the target output voltage, the synchronous rectifier is turned on and the current is directed through the transformer. Then the energy is stored in the inductor and the output voltage is maintained. When the output voltage falls below the target output voltage, the synchronous rectifier turns off and the current flow is reversed, allowing energy to be transferred from the inductor to the output capacitor. The output voltage is thus regulated.

The operating frequency of the device is set by an internal oscillator and can be programmed from 50kHz to 2MHz. The transition speed of the AOZ6622DI can be customized for fast or slow transitions. It is also equipped with multiple output functions such as adjustable soft start, over-voltage protection, over-temperature protection and adjustable power good output delay. Additionally, the device provides a power saving mode, allowing users to reduce power consumption and maximize efficiency.

Conclusion

AOZ6622DI is an advanced single output synchronous buck regulator, and a part of the PMIC family of Voltage Regulators, specifically DC DC Switching Regulators. It is suitable for a wide range of applications such as point of load regulation, power supply designs, DC/DC converters, and wireless solutions. It operates at a wide input voltage range of 5.5V to 24V, has a wide operational junction temperature range of –40℃ to 125℃, and can be programmed from 50kHz to 2MHz. The device can be programmed for fast or slow transitions and offers multiple output functions like adjustable soft start and adjustable power good output delay. This makes AOZ6622DI an ideal choice for a wide range of applications.

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