Texas Instruments LP2989IM-3.3/NOPB

Texas Instruments Part Number LP2989IM-3.3/NOPB（PMIC - Voltage Regulators - Linear）, developed and manufactured by Texas Instruments, 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.

LP2989IM-3.3/NOPB 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 Texas Instruments LP2989IM-3.3/NOPB, a high-performance, low-dropout voltage regulator designed to provide a stable and reliable power supply for a wide range of applications. With its impressive features and versatile application fields, this voltage regulator is a must-have for any electronics enthusiast or professional. The LP2989IM-3.3/NOPB offers a fixed output voltage of 3.3V, making it ideal for powering microcontrollers, sensors, and other low-power devices. Its low dropout voltage of only 300mV ensures efficient power conversion, even when the input voltage is close to the output voltage. This voltage regulator also boasts a low quiescent current of only 75µA, minimizing power consumption and extending battery life. With a maximum output current of 500mA, the LP2989IM-3.3/NOPB can handle a wide range of load requirements, making it suitable for various applications such as portable devices, industrial automation, and automotive electronics. Its small form factor and excellent thermal performance make it easy to integrate into any design, while its robust design ensures reliable operation even in harsh environments. In addition, the LP2989IM-3.3/NOPB features built-in protection mechanisms, including thermal shutdown and current limit, safeguarding your valuable electronic components from damage. With its exceptional performance and reliability, this voltage regulator is the perfect choice for any project that requires a stable and efficient power supply. Experience the power of the Texas Instruments LP2989IM-3.3/NOPB and unlock the full potential of your electronic designs.

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 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

• 2. How to choose a linear regulator?

  1. Switching regulator: A switching regulator uses an output stage that repeatedly switches between "on" and "off" states to generate an output voltage together with an energy storage component. Its adjustment is achieved by adjusting the switching timing based on the feedback sample of the output voltage. In a fixed-frequency regulator, the switching timing is adjusted by adjusting the pulse width of the switching voltage, which is called PWM control.
  2. Parameter regulator: LDO is a linear regulator. Linear regulators use transistors or FETs operating in their linear region to subtract excess voltage from the applied input voltage to produce a regulated output voltage. This transistor allows saturation, so the regulator can have a very low dropout voltage, usually around 200mV.
  3. Regulators for laser cutting machines: According to the use requirements of high-power laser cutting machines and the current power supply situation in my country, regulators that meet

• 3. What is the difference between a linear regulator and a resistor?

  Linear regulators and resistors have significant differences in function, working principle and application scenarios.
  Function and working principle:
  A linear regulator is an electronic device that achieves a stable voltage output by adjusting linear elements (such as resistors, transistors, etc.) in the circuit. It uses the negative feedback principle. When the input voltage changes, the regulator senses this change and adjusts the parameters of the circuit elements (such as the resistance value or the conduction state of the transistor) accordingly to keep the output voltage stable within the required range. Linear regulators can provide lower output noise and fluctuations, and have better responsiveness to load changes.
  Resistors are a basic electronic component used to limit current and divide voltage. It works by hindering the flow of current, has a fixed resistance value, and does not have the function of adjusting the output voltage.
  Application scenarios:
  Linear regulator