Qorvo's ACT4088 is a current-mode step-down DC/DC converter that supplies up to 1.5 A into 5 V from a 12 V input. The 1.4 MHz switching frequency allows the use of tiny external components and internal loop compensation provides simple, stable power supplies with a minimum of external components.

Optimized for use with ceramic input and output capacitors, ACT4088 provides a very compact 1.5 A power supply for space-constrained mobile and consumer applications. The product operates over a wide input voltage range and utilizes current-mode operation to provide excellent line and load transient response while requiring no external compensation components. Fault protection includes cycle-by-cycle current limiting, frequency foldback, hiccup mode and thermal shutdown. Internal soft-start provides a controlled startup with no overshoot, even at light loads.

ACT4088 is available in a tiny SOT23-6 package and requires very few external components.