Analog Devices Inc. LT1761CS5-BYP

Analog Devices Inc. Part Number LT1761CS5-BYP（PMIC - Voltage Regulators - Linear）, developed and manufactured by Analog Devices Inc., 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 Analog Devices Inc. LT1761CS5-BYP, a high-performance, low dropout linear regulator designed to meet the demanding requirements of today's electronic devices. With its exceptional performance and versatile features, this regulator is the perfect solution for a wide range of applications. The LT1761CS5-BYP boasts an ultra-low dropout voltage of just 300mV at a maximum load current of 100mA, ensuring stable and reliable power supply even in the most demanding conditions. Its low quiescent current of only 40µA further enhances efficiency and extends battery life, making it ideal for portable and battery-powered devices. This regulator also features a wide input voltage range of 2.5V to 20V, allowing it to be used with a variety of power sources. Its output voltage can be adjusted from 1.2V to 20V, providing flexibility for different application requirements. The LT1761CS5-BYP is designed to deliver exceptional performance in a compact SOT-23 package, making it suitable for space-constrained designs. It also offers excellent line and load regulation, ensuring stable output voltage even with varying input and load conditions. With its outstanding performance and versatile features, the Analog Devices Inc. LT1761CS5-BYP is well-suited for a wide range of applications, including battery-powered devices, portable electronics, industrial equipment, and automotive systems. Whether you need a reliable power supply for your next project or want to upgrade the performance of your existing design, the LT1761CS5-BYP is the perfect choice.

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 problems will linear regulators bring to the circuit?

  The problems that linear regulators bring to the circuit mainly include low efficiency and a lot of heat.
  Linear The main working principle of the voltage regulator is to control the output voltage of the transistor through a current amplifier to keep the output voltage stable. This working mode causes the linear regulator to control the regulating tube through a differential voltage when adjusting the output voltage. The control tube needs to absorb part of the input voltage, which makes the efficiency of the linear regulator relatively low. In practical applications, this means that the linear regulator will convert the difference between the input voltage and the output voltage into heat energy, causing serious heating of the device, especially when the input and output voltage difference is large, this power loss will further increase, causing the device to heat up.

• 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