Datasheet ADP2147 (Analog Devices) - 6

ADP2147 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.6 V, TA = 25°C, VEN = VIN, unless otherwise noted.
100 1.825 VIN = 2.3V 90 VIN = 3.6V VIN = 4.2V 80 1.815 VIN = 5.5V 70 ) % ( 60 1.805 Y C (V) N 50 T IE OUV 40 1.795 FFIC E 30 V 20 IN = 2.3V 1.785 VIN = 3.6V 10 VIN = 4.2V VIN = 5.5V 0 1.775
06
0.001 0.01 0.1 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0 -003 5-
I I
88
OUT (A) OUT (A)
09885 09 Figure 3. Efficiency vs. Load Current, Across Input Voltage, Figure 6. Load Regulation Across Input Voltage, VOUT = 1.8 V VOUT = 1.8 V
100 0.815 VIN = 2.3V 90 V 0.810 IN = 3.6V VIN = 4.2V 80 VIN = 5.5V 70 0.805 ) % ( 60 Y 0.800 C N (V) 50 T IE OUV 0.795 40 FFIC E 30 0.790 V 20 IN = 2.3V VIN = 3.6V 0.785 10 VIN = 4.2V VIN = 5.5V 0 0.780
08
0.001 0.01 0.1 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0 -005 5-
I I
88
OUT (A) OUT (A)
09885 09 Figure 4. Efficiency vs. Load Current, Across Input Voltage, Figure 7. Load Regulation Across Input Voltage, VOUT = 0.8 V VOUT = 0.8 V
100 3.378 VIN = 3.9V 90 3.358 VIN = 4.2V VIN = 5.5V 80 3.338 70 ) % 3.318 60 Y ( C (V) 50 T 3.298 IEN OU IC V F 40 3.278 EF 30 3.258 20 VIN = 3.9V 3.238 10 VIN = 4.2V VIN = 5.5V 0 3.218
09
0.001 0.01 0.1 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0 -007 5-
I I
88
OUT (A) OUT (A)
09 09885 Figure 5. Efficiency vs. Load Current, Across Input Voltage, Figure 8. Load Regulation Across Input Voltage, VOUT = 3.3 V VOUT = 3.3 V Rev. 0 | Page 6 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATIONS CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME PWM MODE POWER SAVE MODE Power Save Mode Current Threshold ENABLE/SHUTDOWN SIMPLE DYNAMIC VOLTAGE SCALING (DVS) SHORT-CIRCUIT PROTECTION UNDERVOLTAGE LOCKOUT THERMAL PROTECTION SOFT START CURRENT LIMIT 100% DUTY OPERATION APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION Inductor Output Capacitor THERMAL CONSIDERATIONS PCB LAYOUT GUIDELINES EVALUATION BOARD EVALUATION BOARD LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE