Datasheet ADP1715, ADP1716 (Analog Devices) - 7

ADP1715/ADP1716 350 300 250 IV /D 1 SWITCH SIGNAL TO CHANGE 5V OUTPUT LOAD FROM 25mA TO 475mA (mV) 200 T U O P O 150 DRV IV VOUT /D 100 V 2 50m 50 V
13
IN = 5V
-0
VOUT = 3.3V
10 1 4 6
C
03
0
0
IN = 2.2µF C
0-
0.1 1 10 100 1000 OUT = 2.2µF
11 06
ILOAD (mA) TIME (10µs/DIV)
Figure 13. Dropout Voltage vs. Load Current Figure 16. Load Transient Response
3.35 3.30 3.25 IV /D 1 SWITCH SIGNAL TO CHANGE 3.20 5V OUTPUT LOAD FROM 25mA TO 475mA (V) T 3.15 OUV 3.10 I IV LOAD = 100µA VOUT /D I V 2 LOAD = 10mA 3.05 ILOAD = 100mA 50m ILOAD = 250mA 3.00 V I IN = 5V LOAD = 360mA
14 -0
V I OUT = 3.3V
10
LOAD = 500mA
5 1
C
6
IN = 22µF
03
2.95
0
C
0-
OUT = 22µF 3.2 3.3 3.4 3.5 3.6
611 0
VIN (V) TIME (10µs/DIV)
Figure 14. Output Voltage vs. Input Voltage (in Dropout) Figure 17. Load Transient Response
700 ILOAD = 600 500mA 500 ILOAD = 360mA VIN STEP FROM 4V TO 5V ) A 400 ILOAD = (µ 250mA IV D D I GN 300 1 2V/ ILOAD = VOUT 100mA 200 2 IV I /D LOAD = V I 10mA LOAD = m VIN = 5V 100 100µA 20 VOUT = 3.3V
15 -0
CIN = 2.2µF
10 1
C
36 6
OUT = 2.2µF
0
0
0
I
0-
LOAD = 500mA 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60
11 06
VIN (V) TIME (100µs/DIV)
Figure 15. Ground Current vs. Input Voltage (in Dropout) Figure 18. Line Transient Response Rev. 0 | Page 7 of 20 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SOFT-START FUNCTION (ADP1715) ADJUSTABLE OUTPUT VOLTAGE (ADP1715 ADJUSTABLE) TRACK MODE (ADP1716) ENABLE FEATURE APPLICATION INFORMATION CAPACITOR SELECTION CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE