The KIA278R15PI-U/P is a low dropout regulator (LDO) manufactured by KEC for TO-220IS-4 packages, meeting RoHS compliance requirements. It is designed for use in low-output voltage systems such as portable appliances, consumer electronics, and automotive applications. It features a 1.5A rated output current, output voltage accuracy of ±2%, low dropout voltage of under 500mV, a wide operating temperature range of -40°C to +125°C with operational stability over this range, and a high ripple rejection ratio of up to 60dB. The part also features excellent load and line transient characteristics, making it well suited for transient applications.