S-1131B54UA-N5NTFU

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The S-1131B54UA-N5NTFU is a linear voltage regulator manufactured by ON Semiconductor. It is designed to provide a stable 3.3V output with a voltage drop of 1.5V and is suitable for applications where an accurate voltage source is required. This voltage regulator belongs to the family of PMIC (Power Management Integrated Circuits) and more specifically to Voltage Regulator\'s Linear line.

The S-1131B54UA-N5NTFU includes an integrated Over-Voltage Protection (OVP) circuit, with a rated output current of 11A, and it can be operated in normal or reduced modes. It also has a very low quiescent current mode for improved power efficiency. Additionally, this device features an adjustable voltage range of 1.25V to 25V, enabling a wide range of operations.

The S-1131B54UA-N5NTFU is chiefly employed in non-isolated DC power supplies, such as wall-mounted power adapters, adapters for laptop computers, motor control systems and industrial equipment. It is a very efficient and cost-effective component which finds wide application in the electronics industry.

The working principle of the S-1131B54UA-N5NTFU is based on the same principles as a traditional linear regulator, using an internal power transistor to control the output voltage. When the input voltage is higher than the output, the power transistor is activated, diverting a portion of the input voltage to ground and creating a voltage drop across the component. Thus, the resulting output voltage is equal to the input voltage minus the voltage drop.

The adjustable nature of the S-1131B54UA-N5NTFU is what makes it particularly useful for applications that require a precise output voltage. By changing the value of an external reference voltage, the output can be accurately adjusted over a wide range. This makes the device suitable for battery-operated applications, where the output voltage must be maintained regardless of the battery voltage.

To allow for efficient operation in low-noise environments, such as audio/video systems, the S-1131B54UA-N5NTFU incorporates a low-noise linear regulator control loop that ensures stable output control. Additionally, the device can provide a shutdown mode, feature an in-circuit trim adjustment and has thermal shutdown protection.

In summary, the S-1131B54UA-N5NTFU is an integrated circuit manufactured by ON Semiconductor, designed to provide a stable 3.3V output with a voltage drop of 1.5V. It is a versatile linear voltage regulator that belongs to the PMIC (Power Management Integrated Circuits) family, more specifically to Voltage Regulator\'s Linear line. It incorporates a variety of features, such as an Over-Voltage Protection circuit, adjustable voltage range, low-noise linear regulator control loop, shutdown mode and thermal shutdown protection.

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