Datasheet ADP2147 (Analog Devices) - 9

ADP2147 T T SW VIN 4 IIN 2 VOUT VOUT 1 1 EN 3 1 3 CH1 20.0mV M 40.0µs A CH3 4.50V
21
CH1 1.00V Ω CH2 500mA Ω M 40.0µs A CH3 2.50V
0 023
CH3 1.00V
5-
CH3 5.00V CH4 5.00V
85-
T –84.0000µs
88
T 10.40%
98 09 0 Figure 21. Response to Line Transient, VOUT = 0.8 V, Figure 24. Startup, VOUT = 0.8 V, IOUT = 10 mA VIN = 4.0 V to 4.8 V
T T SW VIN 4 IIN 2 VOUT VOUT 1 1 EN 3 1 3 CH1 20.0mV M 40.0µs A CH3 4.50V
33
CH1 5.00V Ω CH2 500mA Ω M 40.0µs A CH3 2.50V
0 024
CH3 1.00V
5-
CH3 5.00V CH4 5.00V
85-
T –84.0000µs
88
T 10.40%
98 09 0 Figure 22. Response to Line Transient, V Figure 25. Startup, V OUT = 1.8 V, OUT = 3.3 V, IOUT = 10 mA VIN = 4.0 V to 4.8 V
T T SW SW 4 IIN 4 IL 2 V 2 OUT VOUT 1 E 1 N 1 3 CH1 2.00V Ω CH2 500mA Ω M 40.0µs A CH3 2.50V CH1 10.0mVΩ CH2 500mA Ω M 1.00µs A CH1 3.80mV
5 2 022 0
CH3 5.00V CH4 5.00V CH4 2.00V
5- 85- 88
T 10.40% T 50.00
98
%
0 09 Figure 23. Startup, V Figure 26. Typical Waveform, V OUT = 1.8 V, IOUT = 10 mA OUT = 1.8 V, PSM Mode, IOUT = 10 mA Rev. 0 | Page 9 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