NCV4266ST50T3G: A 50 mA Low-Quiescent Current LDO Voltage Regulator from onsemi

In the realm of power management, efficiency and reliability are paramount, especially for battery-powered and always-on applications. The NCV4266ST50T3G from onsemi stands out as a robust 50 mA low-dropout (LDO) voltage regulator engineered to meet these critical demands. This device delivers a fixed 5.0V output with high accuracy and exceptional stability, making it an ideal choice for a wide range of automotive, industrial, and consumer electronics.

A key highlight of this LDO is its remarkably low quiescent current, typically drawing only 19 µA under light load conditions. This characteristic is vital for extending battery life in portable devices and energy-sensitive systems, minimizing power drain when the device is in standby or idle mode. Furthermore, the regulator maintains excellent load and line regulation, ensuring a stable output voltage even with fluctuations in input voltage or output current.

The NCV4266ST50T3G is designed with robustness in mind. It features comprehensive protection mechanisms, including current limiting and thermal shutdown, which safeguard the IC and the downstream circuitry from damage due to overloads or excessive junction temperatures. Its ability to handle input voltages up to 45V enhances its durability in harsh electrical environments, particularly in automotive systems where load-dump transients are common.

Housed in a space-saving SOT-223 package, this LDO offers a compelling combination of performance and compactness. Its low dropout voltage ensures efficient operation even when the input voltage is only marginally higher than the output, preserving energy and reducing heat dissipation.

ICGOODFIND: The onsemi NCV4266ST50T3G is a highly efficient and reliable LDO voltage regulator. Its ultra-low quiescent current, high input voltage capability, and integrated protection features make it an exceptional component for powering continuous-operation systems where energy conservation and durability are critical.

Keywords:

Low Quiescent Current

LDO Voltage Regulator

50 mA

onsemi

Thermal Shutdown