National Semiconductor LP3879SD-1.2

National Semiconductor Part Number LP3879SD-1.2（PMIC - Voltage Regulators - Linear）, developed and manufactured by National Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

LP3879SD-1.2 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately sales@jinftry.com Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

Introducing the National Semiconductor LP3879SD-1.2, a cutting-edge voltage regulator designed to meet the demanding requirements of modern electronic devices. With its advanced features and versatile application fields, this product is set to revolutionize the power management industry. The LP3879SD-1.2 boasts an impressive output voltage accuracy of ±1.2%, ensuring stable and reliable power supply to your electronic circuits. Its low dropout voltage of only 0.5V at 1A load current guarantees efficient power conversion, minimizing energy loss and maximizing battery life. Equipped with a built-in thermal shutdown and current limit protection, this voltage regulator offers exceptional safety and reliability. Its small form factor and low profile make it ideal for space-constrained applications, while its wide input voltage range of 2.5V to 7V allows for versatile usage across various electronic devices. The LP3879SD-1.2 finds its application in a wide range of fields, including portable electronics, automotive systems, industrial automation, and telecommunications. Whether you need to power your smartphone, control systems in your car, or industrial machinery, this voltage regulator is the perfect choice. In summary, the National Semiconductor LP3879SD-1.2 is a high-performance voltage regulator that combines precision, efficiency, and safety in a compact package. With its wide range of applications and advanced features, this product is set to become the go-to solution for power management in the electronics industry.

Voltage Regulators-Linear is an electronic device used to convert an unstable DC voltage into a stable DC voltage. It regulates the voltage through an active component (such as a transistor or field effect tube) and a feedback network to ensure that the output voltage remains constant within a certain range. Linear regulators usually operate under low input voltage changes and load changes, and are able to provide a very clean and smooth output voltage.

Voltage Regulators-Linear has a wide range of applications, covering almost all electronic devices requiring a stable DC power supply. In the field of consumer electronics, linear voltage regulators are widely used in mobile phones, tablets, laptops and other portable devices to provide stable voltage support for core components such as processors, memory and display screens. In the field of industrial automation and instrumentation, linear voltage regulators are often used in precision measuring instruments, sensor signal processing and other occasions because of their low noise and high precision characteristics. In addition, linear regulators also play an indispensable role in areas such as medical equipment, aerospace, and automotive electronics, where the quality of the power supply is extremely high. For example, in medical equipment, linear regulators ensure the power stability of devices such as pacemakers and monitors, ensuring the safety of patients.

• 1. What are the characteristics of linear regulators?

  Linear regulators have the characteristics of low cost, small package, few peripheral devices and low noise. There are many types of linear regulator packages, which are very suitable for use in LCD color TVs. For fixed voltage output applications, only 2-3 small capacitors are needed to form the entire solution. Ultra-low output voltage noise is the biggest advantage of linear regulators. The output voltage ripple is less than 35V (RMS), and it has an extremely high signal-to-noise control ratio, which is very suitable for powering small signal processing circuits that are sensitive to noise.

• 2. What is the difference between linear regulators and switching regulators?

  There are significant differences between linear regulators and switching regulators in terms of working principles, efficiency, stability, cost and application range.
  Working principle:
  Linear regulators achieve the function of stabilizing the output at a set value by adjusting the voltage difference between the output voltage and the input voltage. It achieves stable output voltage by controlling the conductivity state of the power transistor.
  The switching regulator converts the input voltage into a pulse signal transmission and smoothes the output through a filter by quickly switching between the input and output ends to achieve the function of stabilizing the output at the set value. The switching regulator uses PWM (pulse width modulation) control to control the output voltage by adjusting the time duty ratio of the high and low levels within a cycle.
  Efficiency:
  The efficiency of the linear regulator is relatively low, usually between 60% and 70%. When the voltage differenc

• 3. Can a linear regulator be up?

  Linear regulators cannot be boost.
  The main function of a linear regulator is to stabilize the output voltage, protecting the electrical equipment from high or unstable voltage effects. It realizes a stable output voltage by adjusting the gap between the output voltage and the input voltage, but this process is limited to lowering the voltage, not including the voltage. The working principle of a linear regulator is to regulate the voltage by converting excess voltage into heat loss, thereby realizing the voltage regulation. This feature determines that it does not have the voltage function.