LM5010MH

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The LM5010MH is a dual-step down DC-DC converter, DC-DC buck synchronous power stage regulator, integrated circuit often used as an on-board low-noise power management solution. Specifically, it acts as a low-noise switching regulator, with two independent PWM voltage regulators which can provide up to 4 A output current at an efficiency of up to 95%. In addition, the LM5010MH supports output fast transient response and allows for a wide input voltage operating range of 4.5 V to 36 V.

The versatility of the LM5010MH makes it ideal for many on-board power applications. One primary application in which the LM5010MH has been used is for military and avionics applications, for which time-saving traditional designs and low power consumption are important features. Due to its low operating temperature and low-noise output design, the LM5010MH is also well suited to on-board medical equipment, especially to aid sleep apnea detection, as well as to drive voltage regulators and charge pumps.

In operation, the LM5010MH incorporates a simplified architecture and low-noise switching design that reduces noise levels. To achieve this low-noise output, the device regulates each output voltage independently, with separate feedback inputs and isolation circuitry to minimize crosstalk between the two voltages. In addition, a novel spread-spectrum clocking technique is used to reduce electromagnetic interference (EMI), further contributing to the low-noise nature of the LM5010MH.

The LM5010MH contains a number of additional features that further contribute to its efficacy. A built-in over-temperature protection feature can be enabled to shut down the device in the event of an over-temperature situation. Additionally, soft-start capability allows for smooth and fast start-up, while an enable pin may be used to shut down the device if necessary.

Through its low-noise output and high efficiency, the LM5010MH is an ideal choice for many on-board power applications requiring dual-step down voltage regulators. Its wide operating voltage range and various features such as temperature protection and soft-start make it well-suited to a variety of applications, particularly those in military and medical applications.

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