LTC3405ES6#TRM

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Integrated circuits for DC-DC power converter systems provide a level of sophistication, precision and flexibility that requires a combination of specialized functions, such as voltage regulators. The LTC3405ES6#TRM is top-of-the-line DC-DC switching regulator designed to deliver superior performance and superior flexibility to power system designers. This device operates from an input voltage of 1.5 V to 6 V and converts that input voltage to four-phase, low-ripple output voltages of 1.2 V – 2.5 V. It is suitable for a variety of applications, including logic power supplies, microprocessors and battery-powered electronics.

The LTC3405ES6#TRM is a programmable switching regulator with the ability to sense an output voltage and adjust the duty cycle of the switches accordingly. This adaptability allows its output voltage to remain constant over varying input and output load conditions. When used as a constant current source, the voltage across the load can be programmed to a specific level, allowing a precise current to be drawn from a given power source. This high level of control is important for systems requiring tight voltage regulation, as it ensures that delicate components and other components downstream from the output remain within the recommended operating range.

The LTC3405ES6#TRM uses four separate internally programmed control loops to configure the required output voltages. The first loop adjusts the main switch output voltage to the desired level. The second loop determines the output inductor current by monitoring the inductor voltage and adjusting the output current accordingly. The third loop adjusts the output current to the required level by monitoring the output voltage. The fourth loop adjusts the bias voltage to the appropriate level.

The LTC3405ES6#TRM also includes additional features, such as over-temperature protection, over-voltage protection, and an input voltage reverse polarity protection circuit. Its die size is reduced to as little as 3.5×3.5mm, resulting in a compact size and improved efficiency.

This device is ideal for use in applications such as cell phones, PDAs and other portable devices, where space is limited, low-noise operation is important, and precision voltage control is needed. The LTC3405ES6#TRM is also used in many of the latest high-efficiency, low-power server applications, where high efficiency is critical. Its performance is outstanding in these applications, and its small size and flexible switching frequency make it an attractive solution.

In conclusion, LTC3405ES6#TRM is a high-performance DC-DC switching regulator, offering excellent precision and flexibility. It is suitable for multiple applications, including those requiring low-noise operation or tight voltage regulation. Its versatility, small size, and excellent efficiency make it a workable solution for a variety of applications.

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