LM5008SDCX/NOPB

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The LM5008SDCX/NOPB from Texas Instruments is a DC-DC Switching Regulator designed for high power, low cost power management solutions. It is a current mode forward converter with built-in power switches, operating up to 10A for intermediate bus voltages. The device offers a wide output voltage range, from 0.9V to 5.6V, and is capable of running in either continuous conduction or discontinuous conduction modes.

The LM5008SDCX/NOPB is an ideal solution for DC-DC power conversion applications such as distributed power supplies, handheld devices, telecom base station power supplies, networking equipment and automotive applications. It provides high efficiency and reliability in a small footprint while maintaining excellent line and load regulation.

Application Fields

The LM5008SDCX/NOPB is suitable for a wide variety of high power applications. It can be used for distributed power supplies such as Point of Use (PoU) power converters, high current point-of-load converters, or general purpose DC-DC converters. In automotive applications, it is used for power window and wiper motor drives, ECU modules, and lighting systems. It also finds applications in telecommunications, networking equipment and consumer products.

Working Principle

The LM5008SDCX/NOPB is a synchronous forward converter type of switching regulator which works in current mode. The input current and output voltage are proportional to each other, and the output is regulated by controlling the duty cycle of the switching transistor. The chip operates at a fixed frequency of 400 kHz, and has integrated power switches that can drive up to 10A currents at intermediate bus voltages.

The converter also has a wide operating temperature range. It also has built-in over-voltage protection and a current sense amplifier, which improves the line and load regulation of the device. The device is capable of operating in either continuous conduction mode or discontinuous conduction mode, allowing the designer to maximize efficiency and minimize noise.

The LM5008SDCX/NOPB is an ideal solution for high power, low cost power management systems, and comes in small size packages for space-constrained applications. It is an essential component for any power supply design, providing higher efficiency, improved line and load regulation, and robust protection features.

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