RAA211803 Datasheet - Renesas

RAA211803 DC/DC Step-Down Regulator

RAA211803, RAA211805 80V, 300mA, 5.5µA IQ DC/DC Step-Down Regulator The RAA211803 and RAA211805 are easy-to-use, ultra-low quiescent current (IQ) buck regulators with a wide input voltage range of 7V to 80V and up to 300mA output current. RAA211803 has a fixed output voltage of 3.3V, and the RAA211805 output voltage is 5V. The devices offer comprehensive protections, including VIN UVLO, VOUT OVP, overcurrent, and over-temperature protections. The devices are offered in a TSOT23-5 package. Applic.

RAA211803 Features

* ▪ 7V to 80V input supply range ▪ Up to 300mA output current ▪ IQ = 5.5µA at 80V, at no load conditions, switching ▪ IQ = 4.5µA at 80V at no load and no switching conditions ▪ RAA211803 is fixed 3.3V VOUT, RAA211805 is fixed 5V VOUT ▪ Minimum on-time of 75ns ▪ Variable frequency operation, frequency

RAA211803-Renesas.pdf