Maxim Integrated MAX635BEJA

Maxim Integrated Part Number MAX635BEJA（PMIC - Voltage Regulators - Linear）, developed and manufactured by Maxim Integrated, 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.

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Introducing the Maxim Integrated MAX635BEJA, a versatile and high-performance voltage reference that is designed to meet the demanding requirements of various applications. With its exceptional accuracy and stability, this voltage reference is the perfect choice for precision measurement and control systems. The MAX635BEJA offers an output voltage of 2.5V, ensuring a reliable and consistent reference voltage for your circuitry. Its low temperature coefficient and excellent long-term stability guarantee accurate and repeatable measurements over time. Additionally, this voltage reference operates over a wide temperature range, making it suitable for use in both industrial and automotive applications. Equipped with a low dropout voltage and low quiescent current, the MAX635BEJA minimizes power consumption, making it an energy-efficient solution for battery-powered devices. Its small form factor and ease of integration make it ideal for space-constrained applications. The MAX635BEJA finds its application in a wide range of fields, including industrial automation, medical devices, automotive electronics, and telecommunications. Whether you need a stable voltage reference for precision measurement equipment or a reliable voltage source for control systems, the MAX635BEJA is the perfect choice. In summary, the Maxim Integrated MAX635BEJA is a high-performance voltage reference that offers exceptional accuracy, stability, and energy efficiency. With its wide temperature range and compact design, it is suitable for a variety of applications in different industries. Trust the MAX635BEJA to provide a reliable and consistent voltage reference for your critical systems.

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 a linear regulator?

  A linear regulator is an electronic device that is primarily used to maintain a specified output voltage stable when the input voltage or load conditions change. It is an important component in electronics that acts as a buffer to protect the components of the circuit from damage. A linear regulator works by using an active device (such as a BJT or MOSFET) controlled by a high-gain amplifier, using the variable conductivity of the active pass device to maintain the output voltage. This regulator acts as a voltage divider to produce a regulated output voltage, where a linear element (such as a resistive load) is used to regulate the output voltage. The transistor stays in its active region of operation during voltage regulation. To maintain a constant output voltage, the internal resistance can be varied, providing a variable resistance by using a transistor controlled by the amplifier feedback loop.
  A linear regulator is also called a buck converter, where the output voltage is always

• 2. What are the disadvantages of linear regulators?

  The disadvantage of linear regulators is that they are not efficient and can only be used in voltage reduction applications. The efficiency of a linear regulator depends on the ratio of output voltage to input voltage: turbidity = Vo: Vi. For example, for ordinary linear regulators, when the input voltage is 5V and the output voltage is 2.5V, the efficiency is only 50%. For ordinary linear regulators, about 50% of the electrical energy is converted into "heat" and lost, which is also the main reason why ordinary linear regulators are prone to heat when working. For LDO, due to its low voltage difference, the efficiency is much higher. For example, when the input voltage is 3.3V and the output voltage is 2.5V, its efficiency can reach 76%. Therefore, in LCD color TVs, in order to improve the utilization rate of electrical energy, ordinary linear regulators are used less, while LDOs are used more.

• 3. 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