AP7383/AP7384 Micro-Power Low Dropout Regulators Diodes Inc. AP7383/AP7384 Wide Input Voltage Micro-Power Low Dropout Regulators feature a wide input voltage range of up to 30V for the AP7383 and up to 40V for the AP7384. Combined with a 1% tolerance and high accuracy, the AP7383/AP7384 regulators are ideal for use in various USB and portable devices. The AP7383/AP7384 regulators maximize system run times with low quiescent current and extend battery life in battery-operated products.