LM5000SDX-3

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The LM5000SDX-3 is a three-phase DC-DC voltage regulator designed by Texas Instruments. It is designed with op-amp feedback control, providing current and voltage balancing to each output with no external components. This makes the LM5000SDX-3 a great choice for applications requiring a simple, economical solution.

Applications of the LM5000SDX-3 are broad, and include areas such as the automotive, industrial and consumer markets. It is especially useful for those wishing to gain flexibility and power savings, allowing for adjustable output voltage and current limits. With a built-in controller and high efficiency, this device can help optimize output power.

The LM5000SDX-3 has an impressive frequency band of 100 kHz to 1 MHz, allowing for efficient high-speed power transfer. This allows it to function in both non-isolated and isolated applications, and expandable performance with additional output phases. It can operate from -40 degrees Celsius to 125 degrees Celsius, making it suitable for a wide range of applications.

The working principle of the LM5000SDX-3 is fairly simple. When a DC input is supplied, the current is split into three phases and then amplified by the three operational amplifiers (op amps). The amplified phases are then converted into a range of three-phase voltages which are then controlled at the output side of the power switch. The resulting voltage is balanced, due to the feedback control system, and the current limit is inversely proportional to the voltage.

The LM5000SDX-3 offers many benefits. It is a cost-effective voltage regulator, providing a simple and efficient solution to power supply design. It can efficiently transfer power in non-isolated and isolated applications, allowing for increased power transfer speeds. Additionally, adjustable limits for both voltage and current give design flexibility for the user. Small size and low power consumption also make it suitable for a wide range of applications, including automotive, industrial and consumer.

In summary, the LM5000SDX-3 is a three-phase DC-DC voltage regulator designed by Texas Instruments. It is designed with op-amp feedback control, providing current and voltage balancing to each output with no external components, making it an ideal solution for applications which require an economical, simple solution. Its impressive frequency band allows it to function in both non-isolated and isolated applications, and adjustable limits for both voltage and current offer design flexibility. It is suitable for a wide range of applications and offers many benefits, making it an excellent choice for any power supply design.

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