Datasheet ADP1876 (Analog Devices) - 6

ADP1876 Data Sheet Parameter Symbol Test Conditions/Comments Min Typ Max Unit
RMS Output Noise N 10 Hz to 100 kHz, VINLDO = 5 V 40 µV rms Short-Circuit Current VOUTLDO = GND 400 mA Undervoltage Lockout Threshold VINLDO_UVLO VINLDO rising 2.35 2.5 2.65 V Undervoltage Lockout Hysteresis VINLDO 0.18 V 1 Guaranteed by design. Not production tested. 2 Connect VIN to VCCO when VIN < 5.5 V. Rev. B | Page 6 of 24 Document Outline FEATURES APPLICATIONS TYPICAL OPERATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INDEPENDENT LOW DROPOUT LINEAR REGULATOR CONTROLLER ARCHITECTURE Synchronous Rectifier and Dead Time INPUT UNDERVOLTAGE LOCKOUT INTERNAL LINEAR REGULATOR (VCCO) OVERVOLTAGE PROTECTION POWER GOOD SHORT-CIRCUIT AND CURRENT-LIMIT PROTECTION SHUTDOWN CONTROL THERMAL OVERLOAD PROTECTION APPLICATIONS INFORMATION INDEPENDENT LOW DROPOUT LINEAR REGULATOR SETTING THE OUTPUT VOLTAGE OF THE CONTROLLER SOFT START SETTING THE CURRENT LIMIT ACCURATE CURRENT-LIMIT SENSING SETTING THE SLOPE COMPENSATION SETTING THE CURRENT SENSE GAIN INPUT CAPACITOR SELECTION INPUT FILTER BOOST CAPACITOR SELECTION INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION MOSFET SELECTION LOOP COMPENSATION SWITCHING NOISE AND OVERSHOOT REDUCTION PCB LAYOUT GUIDELINE TYPICAL APPLICATIONS CIRCUIT PACKAGING AND ORDERING INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE