S-1121B28MC-N2NTFG

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S-1121B28MC-N2NTFG Application Field and Working Principle

The S-1121B28MC-N2NTFG is a low quiescent current, low dropout voltage regulator and belongs to the category of PMIC - Voltage Regulators - Linear. This device can be used in a variety of applications, such as memory retention, power management, and battery/supercapacitor monitoring. The S-1121B28MC-N2NTFG has an operating range from 2.7V to 28V, a quiescent current of 10µA, and a dropout voltage of 0.3V.

When applying the S-1121B28MC-N2NTFG, it must be connected to the design’s ground and power rails. The device can be configured to deliver a regulated output voltage with an adjustable output range of 0.8V to 15V. Output current is limited to 500mA. Additionally, it supports 0.3% accuracy over-voltage and 0.2% accuracy under-voltage protection.

The S-1121B28MC-N2NTFG will start regulating the output voltage when the input level reaches 1.2V. The resistor divider determines the output voltage of the regulator. The output voltage is controlled by the voltage present at the feedback pin compared to the internal 1.24V reference. The error amplifier adjusts the reference voltage in order to control the output voltage.

Although the S-1121B28MC-N2NTFG works the same way as a conventional linear regulator, its features allow the system to have a high efficiency power conversion. The low quiescent current and dropout voltage also makes this device an ideal choice for designs that require good transient response and noise immunity. The low operating current ensures that it will consume less power, while the low dropout voltage ensures that it can be used in applications with low input-output voltage differences.

The S-1121B28MC-N2NTFG is available in various packages, including TO220-5L, MSOP-8, TDFN-8L, and LLP-10L. The device is RoHS: Compliant and can be used in commercial, industrial and automotive environments with temperatures ranging from -40°C to 105°C. It is designed for ease of use and provides superior performance and reliability.

The S-1121B28MC-N2NTFG is a robust linear regulator that provides excellent performance and power efficiency. Its low quiescent current, low dropout voltage, and adjustable output range make it suitable for a variety of applications. Its features allow the system to have a high efficiency power conversion, while the TO220-5L, MSOP-8, TDFN-8L, and LLP-10L packages provide ease of use and superior performance.

Overall, the S-1121B28MC-N2NTFG can be used in a wide range of applications, including providing system outputs, backup power supply, memory retention, power management, and battery/supercapacitor monitoring. It can be used in commercial, industrial and automotive environments with temperatures ranging from -40°C to 105°C. The S-1121B28MC-N2NTFG is an excellent choice for designs that require good transient response and noise immunity or a low operating current.

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