TPS54231DR Datasheet PDF - TI

The TPS54231DR is a non-synchronous Buck Converter integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode™ feature is automatically activated. Furthermore, the 1µA shutdown supply current allows the device to be used in battery-powered applications. Current-mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle-by-cycle current limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition.

● High efficiency at light loads with a pulse skipping Eco-mode™

● Adjustable slow-start limits inrush current

● Programmable UVLO threshold

● Overvoltage transient protection

● Cycle-by-cycle current limit, frequency fold back and thermal shutdown protection

● Supported by WEBENCH® software tool

● Integrated 80mR high-side MOSFET supports up to 2A continuous output current

● 1µA Typical shutdown quiescent current

● Green product and no Sb/Br