AS1372-BWLT-15

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Introduction

AS1372-BWLT–15 is a linear voltage regulator, belonging to the PMIC (Power Management Integrated Circuit) family. It provides an efficient, reliable and cost-effective solution for the design needs of a wide range of voltage regulation applications with extremely low power consumption.

Application Field

TheAS1372-BWLT–15 is ideally suited for applications such as industrial and office machines and tools, electronic measuring instrument, LED lighting, power amplifiers, electronic security systems and a number of low power peripheral devices.

Features

TheAS1372-BWLT–15 offers unique features such as:

• 2A maximum output current and 4A maximum power limit
• Operation voltage range from 3.3V to 6V
• High efficiency with low power consumption
• Wide operating temperature range from 0°C to 70°C
• Output voltage accuracy over current up to ±2%
• Built-in thermal shutdown protection

Working Principle

The AS1372-BWLT–15 is a linear voltage regulator, which means it either increases or decreases input voltage in order to provide a steady power supply. The output voltage is derived from the difference between the input voltage and the output current multiplied by the output resistance. It works in a closed loop system, to which the internal feedback networks are connected. This feedback arrangement constantly monitors the output voltage, maintaining accurate results even when the input voltage or output current varies.

TheAS1372-BWLT–15 requires an external capacitor of 10nF or greater in order to provide stable voltage regulation. This external capacitor serves as a damping agent and helps in reducing electrical noise, while protecting the device from any potential over-voltage and short-circuit conditions. The chip also comes with a built-in thermal shut-down protection that becomes engaged in case of an over temperature situation, disconnecting the load momentarily in order to cool down the device.

Conclusion

TheAS1372-BWLT–15 is an excellent choice for applications that require a solution for voltage regulation with outstanding performance and high efficiency. Due to its low power consumption, the device can provide power for a wide range of low power applications with the added safety of an integrated thermal shut-down protection.

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