NOT RECOMMENDED FOR NEW DESIGN CONTACT US Data Sheet 1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9713 Features General Description High Efficiency Buck Power Converter The AUR9713 is a high efficiency step-down DC- Low Quiescent Current DC voltage converter. The chip operation is Output Current: 1A optimized using constant frequency, peak-current Adjustable Output Voltage from 1V to 3.3V mode architecture with built-in synchronous power MOS switchers and internal compensators to reduce Wide Operating Voltage Range: 2.5V to 5.5V external part counts. It is automatically switching Built-in Power Switches for Synchronous between the normal PWM mode and LDO mode to Rectification with High Efficiency offer improved system power efficiency covering a Feedback Voltage: 600mV wide range of loading conditions. 1.5MHz Constant Frequency Operation Automatic PWM/LDO Mode Switching Control Thermal Shutdown Protection The oscillator and timing capacitors are all built-in Low Drop-out Operation at 100% Duty Cycle providing an internal switching frequency of No Schottky Diode Required 1.5MHz that allows the use only small surface mount For automotive applications requiring specific inductors and capacitors for portable product change control (i.e. parts qualified to AEC- implementations. Additional features included Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or integrated Soft Start (SS), Under Voltage Lock OUT your local Diodes representative. (UVLO). Data Sheet 1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9713 Pin Configuration H Package (TSOT-23-5) 1 5 EN FB GND 2 LX 3 4 VIN Figure 2. Pin Configuration of AUR9713 (Top View) Pin Description Pin Number Pin Name Function 1 EN Enable signal input, active high This pin is the GND reference for the NMOS power stage. It 2 GND must be connected to the system ground 3 LX Connected to inductor 4 VIN Power supply input 5 FB Feedback voltage from the output AUR9713 April 2020 Document number: DS42568 Rev. 1 - 3 Diodes Incorporated 2