L6911DTR

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The L6911DTR is a switch mode voltage regulator feature which is designed for cost-effective, high efficiency, low noise and high current, step-down/step-up/step-inverting converters in a wide range of applications. It provides integrated topology and control features including high frequency low RDS(on) PowerMOSFETS, high accuracy multiphase current sharing, and accurate programmable current limits. The L6911DTR is especially suitable for load situations and applications where high accuracy output voltage and good step load transient response is required.

Application Field

The L6911DTR is widely used in multiple applications, such as automotive, industrial, consumer and communications. In automotive applications, it is used in many fuel cell power supply systems, LED drivers and auxiliary power supplies for car audio, infotainment and instrument clusters. In industrial applications, it is used for a variety of lighting systems, solar panel inverters and medical equipment.

In consumer and communications applications, the L6911DTR is used for Smartphones and their accessories, mobile accessories, AC/DC adapters and laptop adapters, TV supplies, and chargers for automotive batteries.

Working Principle

The L6911DTR is a low-cost, efficient, and reliable switch mode voltage regulator. The L6911DTR features a high-speed buck-boost converter operating with a wide operating range. It is made up of an integrated power MOSFET, an integrated HR24E voltage reference, and a current sensing circuit. It has a wide operating range and can be used to power a wide range of devices, such as cell phones, tablets, and other mobile devices.

The voltage reference provides a stable reference voltage which is used to adjust the output voltage of the regulator to the desired level. The current sensing circuit monitors the output current, and provides feedback to the control loop. This feedback is used to adjust the output voltage as the load changes.

The L6911DTR is a cost-effective switch mode voltage regulator which is designed to optimize the overall efficiency. This is achieved by optimizing the loop compensation and implementing a low-noise designed that results in low-EMI designs.

The L6911DTR provides integrated topology and control features including high frequency low RDS (on) PowerMOSFETS, high accuracy multiphase current sharing, and accurate programmable current limits. It is also compatible with a wide range of external components, such as inductors, capacitors and resistors, to enable design of cost effective and efficient power supplies.

The L6911DTR features a variety of modes, such as forced continuous mode, which allows the application to be powered down while still maintaining the output voltage; and external synchronization, which allows synchronization of the L6911DTR\'s output with an external clock or modulating signal.

The L6911DTR is a cost-effective, efficient and reliable switch mode voltage regulator. It provides integrated topology and control features including high frequency low RDS (on) PowerMOSFETS, high accuracy multiphase current sharing, and accurate programmable current limits. It is widely used in automotive, industrial, consumer and communications applications for applications such as fuel cell power supply systems, LED drivers, auxiliary power supplies, solar panel inverters, medical equipment, Smartphones, mobile accessories, chargers for automotive batteries and more.

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