Figure 16. Output Voltage vs. Temperature (VOUT = 1.5 V) Figure 19. Quiescent Current vs. Input Voltage 1.8177ILOAD = 0mA761.80ILOAD = 300mA)A) µV75((NTGE 1.7974OLTAILOAD = 600mACURRET VNT 73U 1.78CETPS EOU72UI Q1.77711.7670–40–1510356085 048 –40–20020406080100120 053 TEMPERATURE (°C) 06631- TEMPERATURE (°C) 06631- Figure 17. Output Voltage vs. Temperature (VOUT = 1.8 V) Figure 20. Quiescent Current vs. Temperature 3.400.8005VIN = 3.6V0.80003.36))0.7995VV((+85°CEGE0.79903.32AG T+25°CL OOLTA0.7985T V U 3.280.7980TP–40°CDBACK V EOUE F 0.79753.240.79703.200.7965 049 0100200300400500600–50050100 021 LOAD CURRENT (mA)TEMPERATURE (°C) 06631- 06631- Figure 18. Output Voltage Accuracy (VOUT = 3.3 V) Figure 21. Feedback Voltage vs. Temperature Rev. C | Page 8 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE BOUNDARY CONDITION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME CONSTANT ON-TIME TIMER FORCED CONTINUOUS CONDUCTION MODE POWER SAVE MODE SYNCHRONOUS RECTIFICATION CURRENT LIMIT SOFT START ENABLE UNDERVOLTAGE LOCKOUT THERMAL SHUTDOWN APPLICATIONS INFORMATION INDUCTOR SELECTION INPUT CAPACITOR SELECTION OUTPUT CAPACITOR SELECTION TYPICAL APPLICATION CIRCUITS SETTING THE OUTPUT VOLTAGE EFFICIENCY CONSIDERATIONS Power Switch Conduction Losses Inductor Losses Switching Losses Transition Losses THERMAL CONSIDERATIONS DESIGN EXAMPLE Inductor Output Capacitor Input Capacitor Losses CIRCUIT BOARD LAYOUT RECOMMENDATIONS RECOMMENDED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE