SF6771SLGT is a switching controller SOT-23-6 RoHS manufactured by Sifirst. It is specifically designed to provide an optimized solution for the consumer and industrial products power management systems. It consists of a power MOSFET, current sensing amplifier, voltage reference, logic level converter circuit, and thermal shutdown circuitry. This provides the designer with a compact and cost-effective solution. The device features an ultra-low quiescent current, adjustable current-limit protection, and a low power-on reset circuit. It is suitable for use in buck, flyback, and boost topologies.