ADP5301Data SheetABSOLUTE MAXIMUM RATINGS Table 2.THERMAL RESISTANCEParameter Rating θJA is specified for the worst case conditions, that is, a device PVIN to PGND −0.3 V to +7 V soldered in a circuit board for surface-mount packages. SW to PGND −0.3 V to PVIN + 0.3 V Table 3. Thermal Resistance FB to AGND −0.3 V to +7 V Package Typeθ VID to AGND −0.3 V to +7 V JA Unit EN to AGND −0.3 V to +7 V 9-Ball WLCSP 132 °C/W VOUTOK to AGND −0.3 V to +7 V SYNC/MODE to AGND −0.3 V to +7 V ESD CAUTION PGND to AGND −0.3 V to +0.3 V Storage Temperate Range −65°C to +150°C Operational Junction Temperature Range −40°C to +125°C Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability. Rev. B | Page 6 of 21 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATION MODES PWM Mode Hysteresis Mode Mode Selection OSCILLATOR AND SYNCHRONIZATION ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH A PRECHARGED OUTPUT 100% DUTY CYCLE OPERATION ACTIVE DISCHARGE VOUTOK FUNCTION THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR EFFICIENCY Power Switch Conduction Losses Inductor Losses Driver Losses Transition Losses PRINTED CIRCUIT BOARD (PCB) LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE
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