Datasheet ADP1764 (Analog Devices) - 10

ADP1764 Data Sheet T T SLEW RATE = 4A/µs VIN IOUT 3 VOUT 1 2 1 VOUT
2 5
CH1 50mV B 5GS/s 4.00µs CH3 2.48A
-02
B
-02
W CH1 2mV 5GS/s 4.00µs CH2 1.53V
39
W
39
CH3 2A B 1M points B W T 11.24000µs CH3 500mV 1M points W T 9.020000µs
149 149 Figure 22. Load Transient Response, COUT = 22 μF, VIN = 1.4 V, VOUT = 0.9 V Figure 25. Line Transient Response, Load Current = 4 A, VIN = 1.3 V to 1.7 V Step, VOUT = 0.9 V
4.0 T 10Hz TO 100kHz 100Hz TO 100kHz 3.5 SLEW RATE = 4A/µs I 3.0 OUT s) m 3 r V 2.5 ISE (µ 2.0 O VOUT N T 1 U 1.5 P T U O 1.0 0.5
3
0 CH1 50mV B 5GS/s 4.00µs CH3 2.48A
-02 26
W
0 39
0.1 1 10 CH3 2A B 1M points
9-
W T 11.32000µs
149
LOAD CURRENT (A)
93 14 Figure 23. Load Transient Response, C Figure 26. Output Noise vs. Load Current (I OUT = 47 μF, VIN = 1.4 V, VOUT = 0.9 V LOAD)
4.0 T 10Hz TO 100kHz 100Hz TO 100kHz 3.5 VIN 3.0 s) m r V 2.5 (µ E IS 2.0 O N T 2 U 1.5 TP 1 OU 1.0 VOUT 0.5
4
0 CH1 2mV B 5GSPS 4.00µs CH2 1.86V
-02 27
W 0.5 0.7 0.9 1.1 1.3 1.5
0 39 9-
CH2 500mV B 1M POINTS W T 9.020000µs
93 149
OUTPUT VOLTAGE (V)
14 Figure 24. Line Transient Response, Load Current = 4 A, Figure 27. Output Noise vs. Output Voltage (VOUT) VIN = 1.6 V to 1.98 V Step, VOUT = 1.3 V Rev. A | Page 10 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 ADP1764 DEVICES FOR HIGH CURRENT APPLICATIONS THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE