Datasheet ADP1715, ADP1716 (Analog Devices) - 8

ADP1715/ADP1716 18 0 VRIPPLE = 50mV p-p 16 –10 VIN = 5V VOUT = 0.75V –20 C 14 OUT = 2.2µF ILOAD = 10mA ) s –30 12 m –40 B) IME ( 10 d P T –50 RR ( -U 8 S P –60 MP A 6 R –70 4 –80
8
2
01 20
–90
0 0- 1 0- 1 061
0 –100
061
0 5 10 15 20 25 10 100 1k 10k 100k 1M 10M CSS (nF) FREQUENCY (Hz)
Figure 19. Output Voltage Ramp-Up Time vs. Soft-Start Capacitor Value Figure 21. Power Supply Rejection Ratio vs. Frequency
0 0 VRIPPLE = 50mV p-p VRIPPLE = 50mV p-p –10 VIN = 5V –10 VIN = 5V VOUT = 0.75V VOUT = 0.75V –20 COUT = 2.2µF –20 COUT = 2.2µF ILOAD = 100µA ILOAD = 100mA –30 –30 –40 –40 B) B) d d –50 –50 RR ( RR ( S S P –60 P –60 –70 –70 –80 –80
37
–90
38 0
–90
0 0- 0- 1 1
–100
061
–100
061
10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 20. Power Supply Rejection Ratio vs. Frequency Figure 22. Power Supply Rejection Ratio vs. Frequency Rev. 0 | Page 8 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