LT3741IFE#PBF

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The LT3741IFE#PBF is a converter module from Linear Technology, intended for use as a DC-DC switching controller. The converter module operates from a 6 V topology, and uses a portion of the input voltage for control circuitry. It is designed for applications such as voltage regulation in systems with limited power requirements.

The LT3741IFE#PBF is capable of delivering up to 1.2 A of output current with a very low on-resistance of 7 mΩ. It includes protection from over-voltage and over-current conditions and can operate from a temperature range of -40 to +125 °C. The converter module also has an adjustable switching frequency to optimize efficiency.

The device features an internal power stage and can operate with or without an external MOSFET. It also features a programmable oscillator, a power good indicator, a soft-start circuit, and current sense protection, allowing the user to optimize the system performance.

The main application fields of the LT3741IFE#PBF include battery-powered systems, industrial, telecom, and medical equipment. Its working principle is based on pulse-width modulation (PWM). The device can be used to control a step-up DC-DC converter for applications with input voltages between 5 to 24 VDC. There is an on-board power stage that nees to be triggered by an external MOSFET.

The external MOSFET is enabled by an oscillator that controls the switching frequency and the duty cycle. The current sense protects the device from overloading by measuring the inductor current and setting the switching frequency. On-board voltage regulation of the output voltage is also possible, ensuring stability and reliability. The on-macro timer allows for a soft-start, which is suited to high-battery applications.

The adjustable frequency feature allows for optimization of the system efficiency, based on the application conditions. The input and output voltages can be monitored and adjusted, allowing the user to gain optimum performance from the system. The power stage can also be disabled when needed, to reduce power consumption.

The LT3741IFE#PBF is a highly efficient and reliable device for voltage regulation applications with limited power requirements. It is suitable for battery-powered systems, and its adjustable frequency feature makes it suitable for optimizing the system for different application conditions. Its low on-resistance, over-voltage protection, and current sense protection, makes it an ideal choice for DC-DC converter applications.

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