LT8619IDD#PBF

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LT8619IDD#PBF is a wide input voltage (4.5V-36V), high power synchronous DC/DC buck converter, which can supply up to 4A of output current. It has many features and advantages for providing excellent power solution, such as small size, low operating current, low noise, and internal compensation. With such features, LT8619IDD#PBF can be used in a variety of control applications and is especially suitable for automotive and industrial applications.

This switching regulator is an excellent choice for providing low cost, low noise, and low voltage adjustment application. LT8619IDD#PBF also has good EMI tolerance, especially with its synchronous rectification design, which makes it an ideal selection in automotive and industrial applications. It also has an excellent load regulation and low duty cycle ripple.

The LT8619IDD#PBF’s major application areas include:

• Automotive
• Motor Control and Servo Control
• Power Management
• Electronic Instrumentation
• Distributed Power Systems
• Switch Mode Power Supplies (SMPS)
• Battery Operated Devices

LT8619IDD#PBF’s working principle is based on the principle of pulse width modulation (PWM), which is commonly used in smart power management systems. It uses the input voltage to control the output voltage by switching on and off a power switch connected to the load. The output voltage or current is regulated by varying the width of the pulse generated by the switching regulator.

The overall LT8619IDD#PBF switching regulator consists of the following functional blocks:

• The input stage contains a buck diode and an input capacitor.
• The control section uses a pulse width modulation (PWM) signal drive circuit and a pulse width modulation (PWM) control circuit to generate the switching signal.
• The power switch is typically a MOSFET, which is based on the PWM signal to generate switched power output for the load.
• The output stage contains an output inductor, output capacitor, and an output filter capacitor, which are used to reduce output voltage ripple.
• Protection circuits will shut down the switching regulator when an overvoltage, undervoltage, overcurrent or undercurrent condition occurs.

In summary, the LT8619IDD#PBF switching regulator can provide low cost, low noise, and low voltage adjustment application. It is suitable for a wide range of applications, including automotive, power management, and power supply design. Moreover, its features such as fast transient response, low operating current, and small size make it an ideal selection for automotive and industrial applications.

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