RAA211803 Datasheet | Renesas

Features - 7V to 80V input supply range - Up to 300m A 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 programmed by external inductor (10µH to 33µH) - Pre-bias, monotonic, and smooth start-up - Protections: Overcurrent (OC) Limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), output Overvoltage Protection (OVP) - Accurate EN threshold - Package: TSOT23-5 (2.9mm×1.63mm) Programmable Features - Inductor: Change switching frequency - Enable: Turn on/off with external logic or connect EN to VIN VIN 4 CIN 3 EN 2 GND SW 5 1 VOUT RAA211803/805 VOUT = 3.3 or 5V L COUT Figure 1. Typical Application Circuit R16DS0339EU0100 Rev.1.00 Oct 2, 2023 Page 1 © 2023 Renesas Electronics RAA211803, RAA211805 Datasheet Contents 1. Overview - - - - - - - - - - - - - - - 3 1.1 Block Diagram -...