S-13R1A40-I4T1U3

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S-13R1A40-I4T1U3 is a linear voltage regulator from a series of PMIC – Voltage Regulators – Linear. S-13R1A40-I4T1U3 is a step-up regulator with an input range of 3V to 13.2V and an adjustable, constant output voltage range up to 13.2V. It is designed for automotive and industrial applications where high transient loads and high temperature operating environments are encountered.

The voltage regulator provides excellent ripple rejection with a minimum of 75dB (Typ) @ 167Hz. The built-in control transistor can be programmed to obtain a precise output voltage to meet the most stringent requirements. Output current limiting helps to prevent accidents that may happen with high current applications, such as over-voltage and over-current. With the advanced protection designs, the device can continue to work safely even within its highest operating temperature.

The S-13R1A40-I4T1U3 voltage regulator can be used in various automotive and industrial applications, including primary and secondary power supplies, LED lighting and backlighting and general power management. It is suitable for applications requiring high efficiency, low noise, and high transient response.

This voltage regulator has adjustable pinouts in order to configure the output voltages for particular applications. By connecting an external bias resistor, the adjustment pin can control the output voltage to obtain desired output voltage. Its adjustable input voltage range allows users to retain flexibility when power source is subject to change. This voltage regulator can also be adjusted by connecting an external divider network. The adjustable output voltage and current limits provide excellent power regulation in applications where input voltage fluctuates or multiple power sources supply the load in an active power management system.

The S-13R1A40-I4T1U3 operates in a wide temperature range of -40℃ to +85℃ and has long operating life. It can reduce audio noise due to its wide switching frequency range from 250KHz to 3MHz and its low output noise. S-13R1A40-I4T1U3 provides reliability, efficiency, and protection features, satisfying most stringent requirements from automotive, industrial, and mobile systems.

The working principle of the S-13R1A40-I4T1U3 voltage regulator is that when the input voltage is greater than the preset voltage, the control transistor will take over the internal comparator and will be opened, the current passing through the control transistor will be taken by the inductor, then transferring it to the output. When the input voltage is less than preset voltage, the output voltage will be regulated by the error amplifier and the feedback control loop.

In conclusion, S-13R1A40-I4T1U3 is a suitable Voltage Regulator for automotive and industrial applications. It has adjustable input voltage range and allows users to retain flexibility when power source is subject to change. It has a low output noise and can reduce audio noise due to its wide switching frequency range from 250KHz to 3MHz. It has long operating life and provides relay, efficiency and protection features. All in all, it is an optimal choice for voltage regulation in demanding applications.

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