L6387E

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The L6387E is a single-channel switch mode power amplifier (SMPS) that offers high-power performance and low noise operation. It is part of the PMIC - Gate Drivers family. This family includes a variety of SMPS solutions for applications such as motor drives, power over Ethernet (PoE), and consumer audio and video electronics. The L6387E is an integrated SMPS with a single-channel switch mode power amplifier (SMPS) for higher-power applications using a single power supply.

The L6387E supports a wide range of operating frequencies and load requirements ranging up to 5.5A. It also features adjustable frequency, pulse with modulation (PWM), current and voltage mode control, as well as complete protection features including over-temperature protection, over-current protection and open loop protection. The L6387E provides cost-effective solutions for motor control, LED lighting and other applications.

The L6387E is designed to improve system performance and reliability by reducing electromagnetic interference (EMI) and enabling the system to operate under harsh conditions. It allows for high efficiency operation in a wide range of load conditions and offers precise current control with low EMI. L6387E also offers an innovative “no shoot-through” protection feature that prevents simultaneous switching of high-side and low-side outputs.

The main advantage of the L6387E is its easy-to-use GUI based software. It allows a system engineer to program multiple channels independently, as well as set protection thresholds and parameters. The intuitive user interface enables the user to easily set the switch settings, set frequency, PWM and current control parameters. It also allows for monitoring of switching waveforms through multiple probe points to optimize system performance.

The L6387E working principle is based on the switching of a single power transistor between the positive and negative supply rails. When the power transistor is in the “on” state, it drives the output according to the programmed current or voltage. It also features high-side/low-side control and deadtime compensation that prevents false adduction. The L6387E operates with a maximum load current of 5.5A, allowing for high efficiency and precise current control.

The L6387E features a wide range of applications across various fields, from motor control and LED lighting to consumer audio and video electronics. Its flexibility allows for a variety of low noise and high-power solutions, even under harsh conditions. With its intuitive user interface, it is easy for engineers to program, monitor and tweak the performance of their system. The L6387E is an ideal choice for customers looking for a cost-effective SMPS solution with high efficiency, precise control and reliable operation.

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