LT3667IMSE#PBF

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The LT3667IMSE#PBF is an integrated, high current, low noise, low quiescent current, synchronous buck regulator. It integrates two low-side MOSFETs and two high-side MOSFETs, making it ideal for applications requiring high power efficiency. The LT3667IMSE#PBF has the capability to start up at a low input voltage and provides a wide input voltage range of 3.5 V to 41 V. Additionally, the LT3667IMSE#PBF features programmable frequency, PWM/PSM (pulse-skip mode) control, intelligent power saving, and adjustable current limit. With its integrated input UVLO, soft-start, and thermal shutdown, the LT3667IMSE#PBF is an ideal solution for power conversion requirements in portable applications.

The LT3667IMSE#PBF is a linear and switching voltage regulator that is capable of providing high switching frequencies, current limit, and excellent line/load regulation over a wide input voltage range. It operates from an input voltage range of 3.5 V to 41 V and can output 0.6 V to 33 V with an output current range of 6 A. The regulator can be programmed to a switching frequency of 200 kHz to 1.3 MHz. As a result, it can be optimized for peak efficiency for various power levels.

The LT3667IMSE#PBF utilizes two MOSFETs: a low-side MOSFET and a high-side MOSFET. The low-side MOSFET is connected to the output of the regulator, while the high-side MOSFET is connected to the input of the regulator. These MOSFETs switch on and off to regulate the current flowing into or out of the regulator, respectively. When the low-side MOSFET is on, the output voltage starts to increase. This increases the input voltage and causes the output voltage to increase. When the output voltage reaches the desired level, the low-side MOSFET is switched off, reducing the output voltage. This process is repeated in order to maintain a steady output voltage. The high-side MOSFET ensures that there is a minimum voltage drop across the regulator when the low-side MOSFET is switched off.

Using the programmable current limit of the LT3667IMSE#PBF is a convenient way to ensure that the output voltage does not exceed the maximum voltage required. The current limit is set by connecting the ref pin to a resistor, which sets the maximum current, and then adjusting the current limit through a digital register. In addition, the LT3667IMSE#PBF also offers power savings mode and a low quiescent current, making it ideal for applications that require high efficiency. Furthermore, the LT3667IMSE#PBF also has integrated input UVLO and thermal shutdown, which makes it highly reliable.

The LT3667IMSE#PBF is ideal for applications that require high current regulation, efficiency, and low noise. Some typical applications that can utilize the features of the LT3667IMSE#PBF to regulate voltage include medical devices, AV systems, motor control, UPS systems, and industrial control systems. By integrating two MOSFETs and offering accuracy and ease of use, the LT3667IMSE#PBF is an ideal choice for power conversion tasks.

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