LP3892ET-1.8/NOPB

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LP3892ET-1.8/NOPB Application Field and Working Principle

The LP3892ET-1.8/NOPB is a high performance, low quiescent current, low dropout, linear voltage regulator (LDO) of the voltage regulator or PMIC (Power Management IC) family. It is a type of linear regulator that is used in many applications such as portable battery-powered systems, medical equipment, industrial, consumer, telecommunication, automobile and other electronic devices that require regulated voltages. The LP3892ET-1.8/NOPB is a low-noise regulator that provides a stable output voltage regardless of electrical noise on the input.

General Features

• Input Voltage Range: 2.5 V to 6.0 V
• Output Voltage Range: 1.8 V
• Output Current: 500 mA
• Dropout Voltage: 250 mV
• Low Quiescent Current: 30 μA (typical)
• Noise: 350 μVRMS
• High PSRR: 69 dB (typical @ 1kHz)
• Low Output Voltage Drift: 0.02 %/V
• Thermal Shutdown
• Current Limit and Short-Circuit Protection
• Built-in Reverse-Battery Protection
• Operating Temperature Range: -40°C to 125°C

The LP3892ET-1.8/NOPB is designed with advanced process technology and uses premium on-chip components providing many benefits such as low noise, high PSRR, wide output voltage range, high input voltage tolerance, and high output current. It is suitable for a wide array of applications and provides high-performance regulation with minimal external components. The LP3892ET-1.8/NOPB is a highly reliable voltage regulator with low quiescent current and improved allowed tolerances, which makes it a suitable choice for portable and long-term field-deployed systems.

Functional Description

A linear regulator is an electronic device that reduces an unregulated voltage to a specified regulated voltage, typically with a specified load current. The operating principle of a linear regulator is based on the concept of controlling the output voltage, by adjusting the current flowing through the pass element as needed. The current flow is controlled by a feedback loop that senses the output voltage and compares it with a reference voltage included in the system, and adjusts the current flow so that the voltage output is maintained.

The LP3892ET-1.8/NOPB low dropout linear regulator uses an advanced CMOS design that features a low dropout voltage, high PSR, and low quiescent current. A wide input voltage range of 2.5 V to 6.0 V, an output voltage of 1.8 V, and a maximum current of 500 mA make the device suitable for a variety of applications. In addition, low noise and tight regulation of load and line have also been achieved.

Another useful feature of the LP3892ET-1.8/NOPB is its wide temperature range of operating temperatures from -40°C to 125°C, making it suitable for high temperature applications. The on-chip over-temperature protection maintains safe operation of the device due to high temperature and ambient. Additionally, the device is protected against excessive heat, short-circuit currents, and reverse-battery conditions.

Benefits and Applications

The LP3892ET-1.8/NOPB offers many benefits such as low noise, wide input voltage range, high PSRR, low dropout voltage and low quiescent current make it suitable for many fields, such as portable systems, medical equipment, industrial applications, consumer electronics, automobiles and so on. It provides superior performance for battery-powered systems with low quiescent current, high PSRR and fast transient response, making it the ideal choice for technology-driven applications.

The LP3892ET-1.8/NOPB also offers low noise, high PSRR, and low output voltage drift, allowing it to be used in applications where noise and power supply ripple must be minimized. It also offers a wide temperature range of operating temperatures from -40°C to 125°C, making it suitable for high temperature applications. Moreover, it provides over-temperature protection that prevents damage due to excessive temperature and ambient conditions.

The LP3892ET-1.8/NOPB linear voltage regulator is ideal for low-voltage applications that require accurate and low-noise voltage regulation, such as microprocessors, DSPs, A/D converters, display drivers, and other low-voltage integrated circuits. Its features make it well suited for portable applications as well as cost-sensitive, high-performance systems.

Conclusion

The LP3892ET-1.8/NOPB is a low-noise, low-dropout, and low-quiescent current linear voltage regulator. It has wide input voltage range of 2.5 V to 6.0 V, an output voltage of 1.8 V, and a maximum current of 500 mA. Its high PSRR, tight voltage regulation, and fast transient response make it suitable for many applications including portable systems, medical equipment, industrial applications, consumer electronics, automobiles and the like. In addition, its wide operating temperature range makes it suitable for high temperature applications. The LP3892ET-1.8/NOPB is a perfect choice for voltage regulation in today’s technology-driven systems.

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