Data SheetADP5304ABSOLUTE 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 JAθJC Unit EN to AGND −0.3 V to +7 V 10-Lead, 3 mm × 3 mm LFCSP 57 0.86 °C/W VINOK to AGND −0.3 V to +7 V MODE to AGND −0.3 V to +7 V ESD CAUTION NC to AGND −0.3 V to +7 V PGND to AGND −0.3 V to +0.3 V Storage Temperate Range −65°C to +150°C Operating 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. 0 | Page 5 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE