S-1721A2833-I6T1U

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Power Management Integrated Circuits (PMICs) are crucial components in modern electronics - they manage the power supply by maximizing the efficiency while minimizing the power necessary to run the system. Voltage Regulators - Linear (VR-Linear) are one type of PMIC, designed to provide a stable DC output voltage from an AC or DC input voltage. S-1721A2833-I6T1U is a VR-Linear device from SunPlus Technology Co., Ltd which can be used in battery-powered systems such as mobile phones and portable devices, providing a stable and reliable voltage for the connected device.

S-1721A2833-I6T1U is a linear voltage regulator with adjustable Output Voltage (VOUT) range from 0.72V to 17V, requiring an Input Voltage (VIN) from 4.2V to 21V. It features a built-in High Efficiency Step-Down DC/DC Converter with a synchronous rectification required current up to 2A. It also has an Auto Sleep feature, enabling it to enter a low-power mode with a quiescent current of as low as 8uA when no load is connected. The built-in protection circuits offer Over-Load Protection, Over-Voltage Protection, and Over-Temperature Protection, making the device suitable for harsh environments with high transient voltage.

The working principle of the S-1721A2833-I6T1U is based on the voltage regulator linear ICs. It is a three-terminal device with an output terminal (VOUT), an input terminal (VIN), and a ground terminal (GND). Input current flows from the VIN terminal to the input pin of the IC and is regulated for a stable output voltage at the VOUT terminal by an internal reference voltage. The device comes with a built-in voltage amplifier, which compares the voltage level at the output pin with the reference voltage, and adjusts the voltage setting accordingly. In this configuration, the output voltage is regulated according to the DC output of the rectified power supply.

The S-1721A2833-I6T1U is widely used in portable electronics, consumer products, and automotive applications. It is suitable for battery-powered systems thanks to its high efficiency and low quiescent current. It is also used as a secondary power source for consumer products and vehicles. In particular, it is often used in vehicles as a power source for peripheral circuits, and as a backup power source for critical circuits, such as those controlling airbags, seatbelts, and door locks.

The key advantage of the S-1721A2833-I6T1U is its built-in protection circuits, allowing it to be used in a variety of harsh environments. The Over-Load Protection, Over-Voltage Protection, and Over-Temperature Protection features ensure the system is protected from power surges and excessive current. The device also features auto sleep, enabling it to conserve power while waiting for input. Finally, its adjustable output voltage range makes it highly versatile and suitable for a variety of applications.

The devices are readily available and have a highly competitive price point. They offer flexibility to system designers and are sought after for their high-efficiency and the ability to regulate voltage accurately in a cost-competitive way. The S-1721A2833-I6T1U is the perfect choice for a wide range of applications, offering great performance along with an amazing price.

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