ADP5073Data SheetParameterSymbolMinTypMaxUnitTest Conditions/Comments Error Amplifier (EA) Transconductance gM 270 300 330 µA/V Power FET On Resistance RDS (ON) 200 mΩ VIN = 5 V Power FET Maximum Drain Source Voltage VDS (MAX) 39 V Current-Limit Threshold ILIM 1.2 1.375 1.6 A Minimum On Time 55 ns Minimum Off Time 50 ns SOFT START Soft Start Timer tSS 4 ms SS = open 32 ms SS resistor = 50 kΩ to GND Hiccup Time tHICCUP 8 × tSS ms THERMAL SHUTDOWN Threshold TSHDN 150 °C Hysteresis THYS 15 °C Rev. A | Page 4 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PWM MODE SKIP MODE UNDERVOLTAGE LOCKOUT (UVLO) OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATORS PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION POWER GOOD THERMAL SHUTDOWN APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL COMPONENT SELECTION Feedback Resistors Output Capacitor Input Capacitor VREG Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection Loop Compensation COMMON APPLICATIONS LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
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