40V, 300mA, 4μA IQ DC/DC Step-Down Regulator

▪ 7V to 40V input supply range ▪ Up to 300mA output current ▪ IQ = 4μA at 40V, at no load conditions, switching ▪ IQ = 2.5μA at 40V at no load and no switching conditions ▪ RAA211403 is fixed 3.3V VOUT, RAA211405 is fixed 5V VOUT ▪ Minimum on-time of 75ns ▪ Variable frequency operation, fr

40V, 300mA ultra-low quiescent current Step-down regulator 3.3V fixed output

The RAA211403 is a tiny, easy-to-use, ultra-low quiescent current (IQ) buck regulators with wide input voltage range of 7V to 40V, up to 300mA output current with fixed 3.3V output.\n\nThe device offers comprehensive protections, including VIN UVLO, VOUT OVP, overcurrent, and over-temperature protec • 7V to 40V input supply range\n• Up to 300mA output current\n• IQ = 4μA at 40V, at no load conditions, switching\n• IQ = 2.5μA at 40V at no load and no switching conditions\n• Fixed 3.3V VOUT\n• Minimum on-time of 75ns\n• Variable frequency operation, frequency programmed by external inductor (4.7μ;

丝印代码：403；40V, 300mA, 4μA IQ DC/DC Step-Down Regulator

▪ 7V to 40V input supply range ▪ Up to 300mA output current ▪ IQ = 4μA at 40V, at no load conditions, switching ▪ IQ = 2.5μA at 40V at no load and no switching conditions ▪ RAA211403 is fixed 3.3V VOUT, RAA211405 is fixed 5V VOUT ▪ Minimum on-time of 75ns ▪ Variable frequency operation, fr