ON Semiconductor NCP502SQ28T1G: Voltage Regulator IC

The NCP502SQ28T1G is a high-performance voltage regulator integrated circuit (IC) from ON Semiconductor, designed to deliver a stable and precise output voltage. This IC is an excellent choice for portable and battery-powered applications due to its low dropout voltage and low quiescent current. With the capability to provide up to 150 mA of output current, this device is suitable for a wide range of applications, including microcontrollers, data communication equipment, and portable devices.

The NCP502SQ28T1G operates over a wide input voltage range from 2.5 V to 12 V, making it versatile for various power supply configurations. The fixed output voltage of 2.8 V ensures a stable power supply for sensitive electronic components that require a consistent voltage level for optimal performance. Additionally, the device features thermal shutdown and current limit protection, which safeguard the IC and the load from damage due to excessive heat and overcurrent conditions.

ON Semiconductor has designed the NCP502SQ28T1G with a small footprint in mind. The IC is available in a space-saving, 5-pin SC-88A package, which is ideal for applications where board space is at a premium. The small size does not compromise the performance, as the device boasts excellent transient response and low noise characteristics, ensuring a clean and stable voltage supply.

The NCP502SQ28T1G also features a low dropout voltage, typically 125 mV at 150 mA load, which allows for efficient operation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial for battery-powered devices, where maximizing battery life is crucial. The low quiescent current of typically 1 µA in shutdown mode further enhances battery life by reducing power consumption when the device is not active.

Overall, the NCP502SQ28T1G from ON Semiconductor is a robust and reliable voltage regulator IC that offers a combination of features tailored for stable power supply applications. Its high accuracy, low power consumption, and protective features make it an ideal choice for designers looking to optimize their power management solutions.