LT3991EMSE-5#TRPBF

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LT3991EMSE-5#TRPBF belongs to the category of PMIC - Voltage Regulators - DC DC Switching Regulators. It is a high performance single-ended switching regulator with built-in low-side MOSFET. With its integrated advanced protection, it has improved efficiency and greater flexibility. It has the ability to deliver up to 8A of continuous output current and to withstand load transients of up to 10A. The LT3991EMSE-5#TRPBF is perfect for applications such as automotive, industrial, and embedded systems.

The LT3991EMSE-5#TRPBF is a single-ended switching regulator with a built-in low-side MOSFET. It has an input voltage range of 4.5V to 42V, an output voltage range of 0.8V to 36V, and a frequency of 600kHz. The integrated MOSFET is rated at 30V/8A and can support a maximum duty cycle of 95%. It\'s also capable of delivering up to 8A of continuous output current and up to 10A of transient current, making it perfect for high current applications.

The LT3991EMSE-5#TRPBF features a lossless current sense circuit which allows for accurate current sensing. This circuit is adjustable by an external resistor for improved power efficiency, and includes tight feedback loops for improved load and line regulation. It also includes protection features such as over-current protection, over-temperature protection, over-voltage protection, under-voltage lockout, and reverse current protection.

The LT3991EMSE-5#TRPBF also features a low output ripple of up to 30mV and high efficiency of up to 95%. Low EMI and fast transient response allow for improved power quality in your system. This part is rated at a temperature range of -40°C to 125°C and is available in 8-lead DFN (3mm x 3mm) package.

In terms of its application field, the LT3991EMSE-5#TRPBF isPerfect for automotive, industrial, and embedded systems; especially in applications where high-current and transient current are required. It has the ability to deliver up to 8A of continuous output current and withstand load transients of up to 10A, making it suitable for a variety of applications.

As for the working principle of the LT3991EMSE-5#TRPBF, it utilizes Pulse Width Modulation (PWM) topology. It features an internal PWM controller which regulates the output voltage by controlling the on/off time ratio of the MOSFET switch. The internal PWM controller regulates the output voltage by adjusting the MOSFET switch on/off time ratio according to the error between the output voltage and the reference voltage. The internal sense circuit monitors the output current, and the internal MOSFET dissipate the excess energy.

To sum up, the LT3991EMSE-5#TRPBF is a high performance single-ended switching regulator with built-in low-side MOSFET. It features a lossless current sense circuit, integrated protection features, high efficiency, low EMI, fast transient response and a temperature range of -40°C to 125°C. This part is perfect for automotive, industrial, and embedded systems and is available in 8-lead DFN (3mm x 3mm) package. This part utilizes Pulse Width Modulation (PWM) topology to regulate the output voltage by controlling the on/off time ratio of the MOSFET switch.

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