LTC3862IFE-2#TRPBF

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LTC3862IFE-2#TRPBF is a high performance integrated non-isolated DC DC step-down converter, suitable for a wide range of application fields. This device consists of an internal current-mode control system, integrated MOSFETs and a synchronous rectifier that are optimized for high efficiency, low parts count and very low quiescent current.

The LTC3862IFE-2#TRPBF can operate as a current-mode or voltage-mode controller, allowing for precision current-limit and output voltage regulation. It has both fixed frequency and adjustable frequency operation, allowing for design optimization. The main purpose of this application field is to convert higher DC voltages into lower DC voltages while maintaining low quiescent current, high efficiency and power savings.

The LTC3862IFE-2#TRPBF is an ideal choice for applications such as automotive, industrial, telecommunications, and consumer electronics. The circuit\'s low quiescent current and wide range of operating voltages make it a good fit for most applications that require high-quality power conversion. Additionally, the combination of fast MOSFETs and synchronous rectifiers with the LTC3862IFE-2#TRPBF eliminates switching losses, resulting in higher overall efficiency.

The working principle of the LTC3862IFE-2#TRPBF is based on current-mode control. This principle requires a certain amount of current flow to be maintained in order to maintain stability of the output voltage. This current is sensed by the device and is then used to adjust the pulse width modulation (PWM) signal to the FETs.

In current-mode control, the LTC3862IFE-2#TRPBF will use the sensed current of the primary switch to compare with the reference current and convert the result into a PWM signal with a duty cycle corresponding to the reference. The onboard compensation loop is active, and the relative magnitude of the error signal is proportional to the deviation of the sensed current from the reference.

The LTC3862IFE-2#TRPBF also provides gate drivers, over current protection, and voltage-mode under voltage lockout (UVLO). The gate drivers of this device are capable of providing high slew rates and robust current which is suitable for driving high-power MOSFETs. The over current protection ensures the device is protected against overcurrent conditions, while the voltage-mode UVLO protects the device from undervoltage conditions.

Overall, the LTC3862IFE-2#TRPBF is a great choice for DC DC step-down applications due to its low quiescent current, wide operating voltage range, high efficiency and power savings. The device is ideal for automotive, industrial, telecommunications and consumer electronics, and its current-mode control principles allow for precise current-limit and output voltage regulation.

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