Datasheet ADP2390 (Analog Devices) - 5

Data Sheet ADP2389/ADP2390 Parameter Symbol Test Conditions/Comments Min Typ Max Units
PGOOD FB Threshold Rising 106 110 114 % Falling 86 90 94 % FB Hysteresis Rising 5 % Falling 5 % Power-Good Deglitch Time PGOOD from low to high 16 Cycles PGOOD from high to low 16 Cycles PGOOD Leakage Current VPGOOD = 5 V 0.01 0.1 µA PGOOD Output Low Voltage IPGOOD = 1 mA 150 260 mV EN EN Rising Threshold 1.2 1.28 V EN Falling Threshold 1.02 1.1 V EN Source Current EN voltage < 1.1 V 6.1 µA EN voltage > 1.2 V 1.3 µA THERMAL Thermal Shutdown Threshold 150 °C Thermal Shutdown Hysteresis 25 °C 1 Pin-to-pin measurement. 2 Guaranteed by design. Rev. 0 | Page 5 of 23 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATIONS CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL INFORMATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME PFM MODE (ADP2390 ONLY) PRECISION ENABLE/SHUTDOWN INTERNAL REGULATOR (VREG) BOOTSTRAP CIRCUITRY OSCILLATOR SOFT START FAST TRANSIENT RESPONSE POWER GOOD PEAK CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTION OVERVOLTAGE PROTECTION (OVP) UNDERVOLTAGE LOCKOUT (UVLO) THERMAL SHUTDOWN APPLICATIONS INFORMATION INPUT CAPACITOR SELECTION OUTPUT VOLTAGE SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION PROGRAMMING INPUT VOLTAGE UVLO COMPENSATION DESIGN DESIGN EXAMPLE OUTPUT VOLTAGE SETTING FREQUENCY SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION COMPENSATION COMPONENTS SOFT START TIME PROGRAM INPUT CAPACITOR SELECTION SCHEMATIC FOR DESIGN EXAMPLE EXTERNAL COMPONENTS RECOMMENDATION CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE