A8650KLYTR-T Integrated Circuits (ICs)

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A8650KLYTR-T is a synchronous step-down switching regulator and it is categorized under PMIC Voltage Regulators DC DC Switching Regulators. The device is capable of providing regulated output voltage from 0.9V to 5.5V with the maximum input voltage of 15V. High efficiency and low noise operation, extended thermal performance, enable for small designs and maximum flexibility for applications. The features of the device make it a perfect regulator for applications such as cellular phones, smart phone, tablet, infrastructure, medical and industrial electronics.

The device utilizes a constant frequency current mode regulation scheme and offers high efficiency, miniaturization and high accuracy from little input voltage range. This can be seen from the fact that the internal current limit is fixed at 300mA. The switch current limit resides in the range of 180mA to 500mA and the output voltage can range from 0.9V to 5.5V. The device also offers a wide temperature range operation and a low operating temperature range with a minimum temperature of up to -40°C. The device also features a programmable soft start, power good indication and integrated 1.5A synchronous MOSFET.

A8650KLYTR-T is implemented in a 8-pin SOIC package and its applications include portable, automotive and industrial applications. Its most typical applications include power stage and battery applications. The device also provides an adjustable soft start ramp, power good indication and adjustable under voltage lockout (UVLO).

Working Principle

The device works on the principle of synchronous step-down switching regulator. The regulator has two outputs, one controlling the switch on and the other controlling the switch off. The output pin corresponding to the switch on is called the On pin, while the output pin corresponding to the switch off is called the Off pin. In this case, the On pin is connected to the regulator’s input voltage and the Off pin is connected to the output voltage. This way, the regulator is able to adjust the output voltage in real time.

When the voltage on the On pin is greater than the voltage on the Off pin, the regulator switches the switch on and supplies a current from the input voltage to the output voltage. When the voltage on the Off pin is greater than the voltage on the On pin, the regulator switches the switch off, and ceases the current from the input voltage to the output voltage. The regulator is able to precisely control the output voltage by regulating the duty cycle of the switching signal.

The A8650KLYTR-T also offers a wide range of protection features to protect the device from various external environment conditions. It includes under voltage lockout, overvoltage protection, input voltage protection, and current limit.

Benefits and Advantages

A8650KLYTR-T provides a wide range of benefits and advantages when compared to conventional step-down switching regulators. It offers high efficiency coupled with low noise performance and a wide input voltage range. It also provides an extended thermal performance to protect the device from any damages due to overheat and voltage transients. Moreover, the device provides a low operating temperature range making it suitable for applications in extreme thermal conditions.

The device offers high accuracy output voltage and current regulation with a wide temperature range, making the device suitable for a wide range of applications, ranging from portable to automotive and industrial applications. Furthermore, the device offers a wide range of protection features such as under voltage lockout, input voltage protection, and current limit protection.

Conclusion

A8650KLYTR-T is a synchronous step-down switching regulator, which is categorized under PMIC Voltage Regulators DC DC Switching Regulators. It offers high efficiency and low noise operation, extended thermal performance, enabling small designs, and maximum flexibility for applications in the power stage and battery applications. Moreover, the device offers a wide input voltage range, wide temperature range operation, and a low operating temperature range, making it suitable for a wide range of applications.

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