The APW7070/A is a 3A, synchronous, step-down converter with integrated 80mW MOSFETs. The device, with current-mode control scheme, can convert 4.75~20V input voltage to the output voltage adjustable from 0.8 to 90% VIN to provide excellent output voltage regulation. The APW7070A regulates the output voltage in an automatic PSM/PWM mode operation, depending on the output current, for high efficiency operation over light to full load current. The APW7070 always works in a ForcedPWM mode with constant frequency over full output current range for low-noise requirements.The APW7070/A is also equipped with power-on-reset, soft-start and whole protections (including over-voltage, under-voltage, overtemperature and current-limit) in a single package. In shutdown mode, the supply current drops below 5mA. This device, available in an 8-pin SOP-8P package, provides a very compact system solution with minimal external components and good thermal conductance.