Datasheet ADP1765 (Analog Devices) - 9

Data Sheet ADP1765 1000 24 VIN = 1.10V ILOAD = 0.1A V 22 IN = 1.30V ILOAD = 1.0A VIN = 1.50V ILOAD = 2.0A 20 100 VIN = 1.70V ILOAD = 3.0A VIN = 1.90V ILOAD = 4.0A 18 VIN = 1.98V ILOAD = 5.0A 16 A) 10 µ 14 ( mA) D ( S 12 ND ND_ I G 10 I G 1 8 6 0.1 4 2 0.01 0
016
1.1 1.2 1.3 1.4 1.5
019
TEMPERATURE (°C) V
13933-
IN (V)
13933- Figure 16. Shutdown Current (IGND_SD) vs. Temperature at Figure 19. Ground Current (IGND) vs. Input Voltage (VIN) in Dropout, Various Input Voltages (VIN), VOUT = 0.9 V VOUT = 1.3 V
0.10 T 0.09 SLEW RATE = 5A/µs 0.08 I 0.07 OUT 3 (V) 0.06 UT O 0.05 P VOUT DRO 0.04 V 1 0.03 0.02 0.01 0
020
CH1 50mV B 5GSPS 4.00µs CH3 2.44A 0.1 1 10
017
W CH3 2A B 1M POINTS W T 11.04000µs
13933-
LOAD CURRENT (A)
13933- Figure 17. Dropout Voltage (VDROPOUT) vs. Load Current (ILOAD), VOUT = 1.3 V Figure 20. Load Transient Response, COUT = 22 µF, VIN = 1.8 V, VOUT = 1.3 V
1.32 T 1.31 SLEW RATE = 5A/µs 1.30 1.29 IOUT 1.28 3 1.27 (V) 1.26 UT O V V OUT 1.25 1 1.24 I 1.23 LOAD = 0.1A ILOAD = 1.0A I 1.22 LOAD = 2.0A ILOAD = 3.0A I 1.21 LOAD = 4.0A ILOAD = 5.0A 1.20 B
021
1.25 1.30 1.35 1.40 1.45 1.50 CH1 50mV 5GSPS 4.00µs CH3 2.44A
018
W CH3 2A B 1M POINTS W T 11.36000µs V
13933-
IN (V)
13933- Figure 18. Output Voltage (VOUT) vs. Input Voltage (VIN) in Dropout, Figure 21. Load Transient Response, COUT = 47 µF, VIN = 1.8 V, VOUT = 1.3 V VOUT = 1.3 V Rev. A | Page 9 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUITS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR: RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE/PARAMETER ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE ENABLE FEATURE POWER-GOOD (PG) FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION PARALLELING ADP1765 DEVICES FOR HIGH CURRENT APPLICATIONS THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE