S-1142C35I-E6T1U

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PMIC - Voltage Regulators - Linear is the broad subject umbrella under which the S-1142C35I-E6T1U falls. Developed by ON Semiconductor, the S-1142C35I-E6T1U is a low-input voltage, low quiescent current linear regulator that provides a high maximum input voltage capability and excellent accuracy. The device also features short-circuit current limiting and thermal overload protection, making it a versatile and reliable power supply solution. In this article, we will discuss the applications and workings of the S-1142C35I-E6T1U.

The S-1142C35I-E6T1U is designed for use in a variety of applications. These include handheld devices, digital cameras, Wi-Fi devices, wearables, and other low-power applications that require higher input voltages yet lower output currents. It is also suitable for battery-powered devices, as it has high-efficiency and low quiescent current. As the input voltage can range from 3.2 V to 15 V, the S-1142C35I-E6T1U is capable of supporting a wide variety of devices and applications. This makes it an attractive option for applications where the battery and power needs to remain low.

The S-1142C35I-E6T1U is a linear regulator, meaning it operates via a linear rectifier. A linear rectifier is a type of rectifier circuit that converts alternating current (AC) to direct current (DC) by converting changing voltage levels into steady voltage levels. A basic linear voltage regulator has four essential components at its core: an input capacitor, a power transistor, an output capacitor, and an error amplifier. The input capacitor allows the regulator to respond more quickly, while the output capacitor filters the output voltage to reduce any voltage ripple.

The error amplifier compares the output voltage to a reference voltage, and adjusts the duty cycle of the power transistor accordingly. The duty cycle of the power transistor determines how much of the input voltage is sent to the output and how much is dissipated as heat. The output voltage is controlled by the feedback circuit, which adjusts the duty cycle to maintain the desired output voltage. The S-1142C35I-E6T1U also features current limiting and thermal overload protection, preventing the device from sustaining damage from excessive current (overload or short-circuit) or from overheating.

The S-1142C35I-E6T1U features low quiescent current, high maximum input voltage, and excellent accuracy, making it a reliable and robust solution for a variety of applications. Its versatility and low power requirements make it perfect for applications that require higher input voltages yet lower output currents. The S-1142C35I-E6T1U’s linear rectifier and feedback circuit ensure stable output voltage, making it an attractive choice for efficiently powering a wide range of devices.

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