The IN1903000 19V 3A switching power adapter is based on a flyback converter for low standby adapters. The 19V adaptor provides accurate constant voltage (CV) regulation with high power density, low Noise and excellent Reliability. The 19V 3A has a compact and lightweight design. It features minimum four-point average efficiency in active mode, which is compliant with DoE Level VI, and offers low stand-by consumption. Efficient heat dissipation design significantly enhances reliability, allows the 19V 3A power supply to operate at full power in higher ambient temperatures. The 19V 3A dc power adapter provides excellent EMC performance to be suited for a variety of application such as trimble GPS power adaptor, 19V 3A cctv adaptor.