NCV4290DS50R4G: A 50V, 50 mA Low-Dropout Linear Regulator from onsemi
In the realm of power management, high-voltage tolerance and stable, clean output are paramount for robust system performance. The NCV4290DS50R4G from onsemi addresses these needs directly, positioning itself as a critical component for automotive, industrial, and communications applications where electrical stresses are common.
This integrated circuit is a 50 mA low-dropout (LDO) linear regulator capable of withstanding input voltages up to 50V—a significant capability that sets it apart from many conventional LDOs. Its core function is to deliver a tightly regulated 5.0V output from a much higher and often noisy input supply, making it an ideal choice for protecting sensitive downstream circuitry.
A key metric for any LDO is its dropout voltage—the minimum difference between input and output voltage required to maintain regulation. The NCV4290DS50R4G excels here, featuring a low dropout voltage that ensures efficient operation even as the input voltage dips close to the output level, thereby conserving power and extending stable operation in demanding conditions.
Beyond voltage regulation, the device is engineered for exceptional reliability. It incorporates a comprehensive suite of internal protection features, including current limiting, thermal shutdown, and output short-circuit protection. These safeguards make the regulator exceptionally robust, capable of surviving harsh electrical environments and fault conditions that would damage lesser components. Furthermore, its design emphasizes low quiescent current, which is crucial for applications concerned with power consumption, especially those that are always-on.
Housed in a space-efficient DPAK-5 surface-mount package, the NCV4290DS50R4G offers a compelling combination of a small footprint and high power-handling capability. This makes it suitable for a wide array of designs, from automotive engine control units (ECUs) and industrial sensor modules to battery-powered equipment requiring a stable voltage rail.
ICGOOODFIND
The onsemi NCV4290DS50R4G is a robust, high-voltage LDO regulator that delivers critical protection and performance. Its ability to handle up to 50V input, provide a stable 5V/50mA output with low dropout, and include extensive built-in protection makes it an outstanding solution for designing resilient systems in challenging electrical environments.
Keywords: High-Voltage LDO, 50V Regulator, Low Dropout Voltage, Internal Protection, Automotive Grade
