LM5035BMH/NOPB

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The LM5035BMH/NOPB is a low-voltage wide-input range synchronous buck switching regulator with a current-mode control architecture, capable of delivering a maximum output current of over 50-A while operating from input supplies ranging from 4-V to 25-V. It is ideal for integration into DC-DC power supplies, chargers and other high-current applications which require active ripple current or pulse-by-pulse current limiting. With its wide input voltage range and high-current output capability, the LM5035BMH/NOPB is well-suited for applications in the automotive, industrial, and consumer electronics markets.

The LM5035BMH/NOPB is a current-mode buck regulator that features a unique low-ripple active current-limit. It and has an internal regulation loop stability that can be easily adjusted to fit the system response and achieve faster transient response. In addition, the device includes cycle-by-cycle current limit protection that prevents damaging current spikes from damaging to the regulator’s components. The result is fewer external components for regulation accuracy, faster transient response, and better EMI performance.

The LM5035BMH/NOPB also features an adjustable soft-start mode, an adjustable peak current limit, and asynchronous rectification. The asynchronous rectification capabilities of the LM5035BMH/NOPB allow the input current to exceed the peak current limit without the need for an additional flyback diode or soft-start resistor. This simplifies the design, reduces the total number of components, and ensures better efficiency and cost savings.

The LM5035BMH/NOPB has a wide variety of applications in DC-DC converters, battery chargers, display backlight applications, and embedded power supplies. The device can be used in automotive, industrial and consumer applications such as monitors, LCDs, notebooks, and telecom systems.

The LM5035BMH/NOPB includes a wide 4-V to 25-V input voltage range and provides a high-current output up to 50-A. It can be easily set up and configured for different applications, such as current mode for fast transient response, voltage mode for fast line feedforward response, or pulse-by-pulse current limit for active ripple current control. It is optimized for power management solutions which require low input-to-output phase shift, low voltage ringing, and high efficiency.

The LM5035BMH/NOPB’s current-mode architecture provides a faster transient response than voltage-mode architecture and a minimum input-to-output phase shift compared to voltage-mode buck regulators. Additionally, the device has an adjustable soft-start mode, adjustable peak current limit and asynchronous rectification. This simplifies the design and provides faster transient response, lower component count and better EMI performance.

The LM5035BMH/NOPB is designed to operate in either continuous or pulse-by-pulse current-limit mode. In continuous-current mode, the device regulates to the maximum output current up to the peak current limit setting. In pulse-by-pulse current mode, it regulates only during each on-time pulse and is quickly reset for the next cycle. This allows the LM5035BMH/NOPB to maintain low input-to-output phase shift and low voltage ringing, and offers better performance than other solutions, such as linear regulators.

The LM5035BMH/NOPB is an ideal solution for high-power, high-current applications in a variety of low-voltage markets, including automotive, industrial, and consumer solutions. Its wide 4-V to 25-V input voltage range and high-current, low-ripple output make it a great choice for power management solutions. Its adjustable soft-start mode, adjustable peak current limit, and asynchronous rectification simplify the design and provide better EMI performance. With its current-mode architecture and pulse-by-pulse current limiting capabilities, the LM5035BMH/NOPB offers fast transient response, low ringing, and lowinput-to-output phase shift compared to voltage-mode buck regulators.

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