LT3509EMSE#TRPBF

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The LT3509EMSE#TRPBF is a vector adaptable linear- digital DC-DC converter for synchronous buck-boost voltage conversions and high power applications. It integrates a high efficiency power stage, making it suitable for multi-phase designs. Combining with the various features offered by the device, it can be used for various applications like automotive, lighting, power management, wireless charging and more.

The LT3509EMSE#TRPBF DC-DC switching regulator is an efficient and cost-effective solution for applications that require step-down and step-up voltages with high load currents. It has an integrated switch mode power stage with a wide output voltage range that allows a wide input-output voltage range, making it suitable for a variety of uses. The LT3509EMSE#TRPBF features a wide operating temperature range and guaranteed thermal performance, making it suitable for temperature-critical applications.

The LT3509EMSE#TRPBF features a number of features aimed at ease of use, including a step-up/step-down switching regulator with adjustable current limit and soft-start. The device also includes a low-power shutdown for reduced energy consumption during standby and sleep modes, as well as a power-OK indicator for detecting when the output is ready to be enabled.

The LT3509EMSE#TRPBF’s innovative operating principle allows it to continuously supply power to the load while maintaining a regulated output voltage. No additional control circuitry is required when using the device, as its integrated digital control logic regulates both the step-down and step-up conversion with precise load current and voltage control. This innovative principle allows the LT3509EMSE#TRPBF to provide superior transient response and fast turn-on and turn-off times.

The LT3509EMSE#TRPBF is a true “silent” operation, offering enhanced EMI performance. It features adaptive frequency control, an inrush-current limit and precise switching frequency that facilitates efficient operation.The LT3509EMSE#TRPBF is also ideal for a variety of battery charging applications such as in automotive and mobile equipment. Key features include an integrated regulatory controller for 5V/3.3V/1.8V/1.2V/0.9V output, precision reference, and adjustable current-limit control.

The LT3509EMSE#TRPBF operates over a wide range of input voltages, from 4.5V to 40V. Its operating temperature range of -40°C to 125°C makes it suitable for use in automotive, industrial, and consumer floating point applications. Additionally, the device has excellent load and line regulation and can deliver up to 14A of continuous output current.

The LT3509EMSE#TRPBF is an ideal DC-DC switching regulator for automotive, industrial, consumer, and medical applications that need a low cost, high efficient, and low quiescent current solution. With its unique features, the LT3509EMSE#TRPBF provides superior power efficiency, EMI performance, quiescent current and output ripple for most of the applications that requires step-up/step-down conversion.

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