Datasheet ADP2147 (Analog Devices) - 8

ADP2147 T T SW SW 4 4 VOUT VOUT 1 1 IOUT IOUT 2 2 CH1 100mV CH2 250mA Ω M 40.0µs A CH2 215mA
5
CH1 100mV CH2 250mA Ω M 40.0µs A CH2 275mA
18 0
CH4 5.00V
-01
CH4 5.00V
5-
T 26.00%
885
T 26.00%
988 09 0 Figure 15. Response to Load Transient, 50 mA to 200 mA, Figure 18. Response to Load Transient, 150 mA to 500 mA, VOUT = 1.8 V VOUT = 3.3 V
T T SW SW 4 4 VOUT VOUT 1 1 IOUT IOUT 2 2 CH1 100mV CH2 250mA Ω M 40.0µs A CH2 215mA
6 1
CH1 100mV CH2 100mA Ω M 40.0µs A CH2 114mA
9 0 1
CH4 5.00V
0 5-
CH4 5.00V
5-
T 26.00%
88
T
88 09
26.00%
09 Figure 16. Response to Load Transient, 150 mA to 500 mA, Figure 19. Response to Load Transient, 50 mA to 200 mA, VOUT = 0.8 V VOUT = 3.3 V
T T SW 4 VIN VOUT 1 IOUT VOUT 1 2 3 CH1 100mV CH2 100mA Ω M 40.0µs A CH2 134mA CH1 20.0mV M 40.0µs A CH3 4.50V
017 20
CH4 5.00V
0 85-
CH3 1.00V
5-
T 26.00%
98 88 0
T –84.0000µs
09 Figure 17. Response to Load Transient, 50 mA to 200 mA, V Figure 20. Response to Line Transient, V OUT = 0.8 V OUT = 3.3 V, VIN = 4.0 V to 4.8 V Rev. 0 | Page 8 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