ON Semiconductor FAN1951D25X

ON Semiconductor Part Number FAN1951D25X（PMIC - Voltage Regulators - Linear）, developed and manufactured by ON 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.

FAN1951D25X 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 onsemi FAN1951D25X, a cutting-edge power management solution designed to revolutionize your electronic devices. This highly efficient and versatile device is packed with advanced features that will enhance the performance and reliability of your applications. The FAN1951D25X boasts a wide input voltage range of 4.5V to 60V, making it suitable for a wide range of applications. Its integrated synchronous buck converter delivers a maximum output current of 2.5A, ensuring stable and reliable power delivery to your devices. With a high switching frequency of up to 2.2MHz, this device offers excellent transient response and low output voltage ripple. One of the standout features of the FAN1951D25X is its exceptional efficiency, which can reach up to 95%. This not only reduces power consumption but also minimizes heat dissipation, making it ideal for space-constrained applications. Additionally, the device features a comprehensive set of protection features, including overcurrent protection, thermal shutdown, and input undervoltage lockout, ensuring the safety and longevity of your devices. The FAN1951D25X finds its application in a wide range of fields, including industrial automation, telecommunications, automotive, and consumer electronics. Whether you need to power sensors, motors, or control systems, this device offers the reliability and performance you need. In conclusion, the onsemi FAN1951D25X is a game-changing power management solution that combines efficiency, versatility, and reliability. Upgrade your electronic devices with this advanced device and experience enhanced performance and longevity.

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. When should a linear regulator be used instead of a switching regulator?

  In low-power and low-frequency application scenarios, a linear regulator should be used instead of a switching regulator.
  Linear regulator Suitable for low-power and low-frequency applications, with simple circuit structure, low noise and good stability. They control the output voltage of the transistor through a current amplifier to keep the output voltage stable. This working mode makes linear regulators perform well in low-power and low-frequency applications, although they are less efficient and generate more heat, and their application range is limited. In contrast, switching regulators use high-frequency pulse modulation technology to convert input voltage into a stable output voltage. They have the advantages of high efficiency, small size and fast response, and are suitable for high-power and high-frequency applications. Therefore, when the application requirements are not the main considerations for circuit complexity and cost, but have high requirements for the stability and

• 2. Which is better, switching power supply or linear regulator?

  Switching power supply and linear regulator each have their advantages and disadvantages, and choosing which one is better depends on the specific application requirements.
  The main advantages of switching power supply include:
  High efficiency: The conversion efficiency of switching power supply can reach 90%~95%, which is much higher than the 30% or so of linear regulator.
  Small size and light weight: Due to the high efficiency and high-efficiency transformer of switching power supply, large heat sink can be omitted, and high-frequency transformer replaces power frequency transformer, greatly reducing volume and weight.
  Wide voltage regulation range: The output voltage of switching power supply can compensate for the change of input voltage by adjusting the duty cycle to ensure stable output voltage.
  Various circuit forms: Designers can design switching power supplies that meet the needs according to different application scenarios.
  However, switching power supplies also have so

• 3. What are the alternatives to linear regulators?

  Alternatives to linear regulators include Semiconductor HT7144S, K7805-2000R3, TPS70933DBVR, CLR6212, XC6220B331MR-G, LR7550-M, SGM2054XTD10G/TR, ME6213C33M5G, RS3236-3.3YF5, KL2036-2.2V, etc. These alternatives cover different package forms (such as SOT-23, SOP8, etc.) and output voltage and current specifications to meet the needs of different applications. For example, the HT7144S is a three-terminal linear regulator, while the TPS70933DBVR is an LDO (low dropout linear regulator) with lower output voltage and current specifications. CLR6212 and XC6220B331MR-G provide higher output current capabilities and are suitable for applications that require larger current outputs. LR7550-M and SGM2054XTD10G/TR provide specific voltage and current specifications to meet the needs of specific fields. ME6213C33M5G and RS3236-3.3YF5 are regulators with specific packaging forms, suitable for space-constrained application scenarios. KL2036-2.2V is a linear regulator with a lower output voltage, su