Data SheetADP71591.2514ILOAD = 0mAI131.24LOAD = 10mAILOAD = 100mA12ILOAD = 600mA1.23ILOAD = 1200mA11IILOAD = 2000mALOAD = 2000mA1.22109ILOAD = 1200mA1.218(V)mA)1.20(IUT7LOAD = 600mAONDV6I G1.19I5LOAD = 100mA1.184ILOAD = 10mA1.173ILOAD = 0mA21.1611.1502.32.73.13.53.94.34.75.15.5 017 2.32.62.93.23.53.84.14.44.75.05.35.6 020 VIN (V)V 12939- IN (V) 12939- Figure 17. Output Voltage (VOUT) vs. Input Voltage (VIN) Figure 20. Ground Current (IGND) vs. Input Voltage (VIN) at Various Loads, VOUT = 1.2 V at Various Loads, VOUT = 1.2 V 14013–101211–2010ILOAD = 2000mA–309–408ILOAD = 1200mAB) dImA)LOAD = 2000mA(7–50ILOAD = 1200mANDILOAD = 600mARR (ILOAD = 600mA6SI GP –60ILOAD = 100mA5ILOAD = 100mAILOAD = 10mA4–70I3LOAD = 10mA–80ILOAD = 0mA2–9010–100–40–20020406080100120140 018 1101001k10k100k1M10M 021 TEMPERATURE (°C)FREQUENCY (Hz) 12939- 12939- Figure 18. Ground Current (IGND) vs. Temperature Figure 21. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.2 V at Various Loads, VOUT = 3.3 V, VIN = 4.0 V 14013–101211–2010–309–408B)mA)d500mV(7–50600mVNDRR (6S700mVI GP –60800mV5900mV4–703–802–9010–1000.1m1m10m100m1101101001k10k100k1M10M 022 019 IFREQUENCY (Hz)LOAD (A) 12939- 12939- Figure 19. Ground Current (I Figure 22. Power Supply Rejection Ratio (PSRR) vs. Frequency GND) vs. Load Current (ILOAD), VOUT = 1.2 V at Various Headroom Voltages, VOUT = 3.3 V, 2 A Load Rev. B | Page 9 of 23 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL SHUTDOWN THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PSRR PERFORMANCE PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE