AP7361-10E-13

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AP7361 is a low quiescent current grand linearmregulator with a low dropout voltage of 1.2 V. It is provided in a compact 8-pin MLP-package. The Key difference of AP7361-10E-13 compared to other low quiesct current linear regulators is its low quiescent current feature that reduces power consumption when designing equipment used in smart wearables and other products designed to be highly efficient.

This device is well-suited for a variety of portable and low-power applications, like wearables, internet of things, wireless power banks and smart homes. It can also be used for automotive applications.

Working Principle

The AP7361-10E-13 includes active high-side and low-side switches with an internal current limit that senses an output voltage below or above a reference voltage. When the output voltage is above the reference voltage, the low-side switch is enabled. When the output voltage is below the reference voltage, the high-side switch is enabled. In this way, the regulator adjusts the output voltage to maintain the required logic level.

In addition, the device has a POK (Power-On-Keep) function which senses the input voltage and keeps the output voltage on until it reaches the required level. This feature is useful for applications where the output voltage needs to be maintained, even during power loss.

The AP7361-10E-13 has an external enable pin that can be used to enable or disable the regulator. When reset is active, the regulator is disabled and the current of the whole circuit is minimized. Also, the device has a low quiescent current feature that reduces the power consumption when the device is in sleep mode or standby mode.

The regulator uses a regulated Pulse-Width Modulated (PWM) technique to ensure that the output voltage remains within a specified tolerance. The PWM approach is used to reduce output voltage ripples, which reduces noise levels and improves system performance.

AP7361-10E-13 also includes overvoltage protection, undervoltage lockout, and thermal shutdown protection functions. The overvoltage protection is used to protect the circuit from an output voltage that is higher than the specified threshold. The undervoltage lockout prevents the output voltage from dropping below a certain level. The thermal shutdown protects the circuit from high temperature operation. All these features help to improve the reliability of the device.

Conclusion

The AP7361-10E-13 is a high performance low quiescent current linear regulator with a wide range of applications. It is designed to provide excellent precision and reliability, while consuming minimal power.

The device is suitable for a variety of portable and low power applications,—including wearables, the internet of things, and wireless power banks. It also includes features such as overvoltage protection, undervoltage lockout, and thermal shutdown protection—all of which help to improve device reliability.

The PWM approach used in the device helps to reduce output voltage ripples and improve system performance. In addition, the low quiescent current feature helps to reduce power consumption when the device is in idle or standby mode.

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