SC4501MLTRT

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PMIC – Voltage Regulators – DC DC Switching RegulatorsSC4501MLTRT is a highly integrated synchronous buck switching regulator with a wide variety of applications. It is designed to provide an accurate regulated voltage output with minimal power dissipation and small external component count. The SC4501MLTRT operates from an input voltage range of 3 to 6 V. It provides an adjustable output voltage range of 0.6 to 5.5V with a current capacity of up to 2A. The device includes features such as soft start, output overvoltage protection, and over temperature protection which help ensure operational safety. The SC4501MLTRT is ideally suited for small footprint applications such as mobile phones, tablets and portable gaming devices. It can also be used in automotive applications such as voltage regulators for automotive audio systems. The SC4501MLTRT utilises pulse-width modulated (PWM) control to regulate the output voltage. At the centre of SC4501MLTRT is a voltage control loop which monitors the output voltage and adjusts the output current accordingly. This is done by varying the switching frequency and duty cycle of the PWM signal. The higher the duty cycle of the PWM signal, the higher the output voltage. The SC4501MLTRT also has a current sensing capability allowing it to monitor and adjust the output current. When the output current exceeds the set limit, the device will switch off the output and reduce the load current. This feature helps to protect the device and the load from over-current and short-circuit conditions. The SC4501MLTRT also has a power-saving mode, which turns off the regulator when the output current falls below a certain level. This helps to reduce the power consumption when the device is not required to be in operation. The SC4501MLTRT includes an auto-start feature which allows the device to start up and switch on after a power interruption. This helps to reduce the system start-up time and ensure continuous operation.The device includes an internal temperature-limit feature that prevents operation of the regulator if the internal temperature is too high. This helps to protect the device from excessive temperatures, which can lead to device failure.In summary, the SC4501MLTRT is a highly integrated, synchronous buck switching regulator that is designed to provide an accurate regulated voltage output with minimal power dissipation and small external component count. It has multiple features that help to ensure operational safety and reliability, and the ability to start up after a power interruption. It is suitable for small footprint applications such as mobile phones, tablets and portable gaming devices, as well as automotive applications such as voltage regulators for automotive audio systems.

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