S-1131B35UC-N4UTFG

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The S-1131B35UC-N4UTFG is a linear voltage regulator which is commonly used as a point-of-load (POL) regulator in industrial applications. It is part of the ON Semiconductor S-113x series of 13 mm × 13 mm low-dropout (LDO) Voltage Regulators. The S-1131B35UC-N4UTFG is optimized to regulate an output voltage of 3.3 V and can support an input of up to 35 V. This device has an output current range-of-action between 1.5 A to 3 A and a dropout voltage of only 500 mV (maximum) at 1.5 A. Additionally, the S-1131B35UC-N4UTFG offers a robust protection scheme including reverse current, pin-to-pin short circuit at Output, voltage spiking and short circuit protection. It can operate over a -40 °C to +85 °C temperature range.

The S-1131B35UC-N4UTFG linear voltage regulator is ideally suited for medical, automotive and industrial applications that require a clean and reliable 3.3V output voltage. Industrial applications for this device can include avionics, motor controls, field measurements, and process controls. The advanced protection features and low dropout voltage makes the S-1131B35UC-N4UTFG suitable for use in automotive applications such as battery management systems, window lift and dashboard control modules. In medical applications, the S-1131B35UC-N4UTFG can be used to provide power in medical instrumentation, laboratory equipment, and medical diagnostics.

The principle of operation for the S-1131B35UC-N4UTFG regulator is quite simple. It is designed to maintain a constant output voltage over a specified current range, ensuring that the load connected to the circuit has enough power. The regulator has a voltage input pin and ground, and the output is connected to the load. The regulator’s output responds to changes in the input voltage by adjusting the output current, allowing the circuit to maintain a steady output voltage over a range of currents. When the input and output voltages are equal, the regulator’s internal current regulator shuts down the current and the circuit is said to be in regulation.

The S-1131B35UC-N4UTFG is an excellent choice for applications requiring an easy-to-use low-dropout linear regulator. Its high-dropout protection and wide input/output range make it suitable for a wide range of industrial, automotive, and medical applications. Its ability to maintain a constant output voltage over a wide range of currents makes it one of the most reliable linear voltage regulators available today.

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