Datasheet ADP1712, ADP1713, ADP1714 (Analog Devices) - 9

ADP1712/ADP1713/ADP1714 16 –50 VRIPPLE = 50mV I 14 LOAD = 10mA COUT = 2.2μF FREQUENCY = 10kHz 12 –55 s) (m 10 V E ) OUT = 2.4V B IM T (d P 8 R –60 -U P PSR 6 VOUT = 1.6V RAM 4 –65 2 VOUT = 0.8V 0 –70 0 5 10 15 20 25
36 38 0
2.7 3.2 3.7 4.2 4.7
0 5- 5-
C
45 45
SS (nF) V
06
IN (V)
06 Figure 21. Output Voltage Ramp-Up Time vs. Soft-Start Capacitor Value Figure 23. ADP1712 Adjustable Power Supply Rejection Ratio vs. Input Voltage
–45 0 V V RIPPLE = 50mV RIPPLE = 50mV VIN = 5V –10 VIN = 5V C V OUT = 2.2μF OUT = 0.75V FREQUENCY = 10kHz C –50 –20 OUT = 2.2μF ILOAD = 100mA ILOAD = 100mA –30 ILOAD = 10mA ) –55 B B) d –40 (d ILOAD = 10mA ( R RR S –50 PSR P –60 –60 ILOAD = 1mA –70 –65 –80 ILOAD = 100µA –70 –90
7
0.8 1.3 1.8 2.3 2.8 3.3 3.8 4.3
39
10 100 1k 10k 100k 1M 10M
0 03 5- 5-
V
45
FREQUENCY (Hz)
45
OUT (V)
06 06 Figure 22. ADP1713 Power Supply Rejection Ratio vs. Frequency Figure 24. ADP1712 Adjustable Power Supply Rejection Ratio vs. (10 nF Bypass Capacitor) Output Voltage Rev. A | Page 9 of 16 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 (ADP1712) ADJUSTABLE OUTPUT VOLTAGE(ADP1712 ADJUSTABLE) BYPASS CAPACITOR (ADP1713) TRACK MODE (ADP1714) ENABLE FEATURE UNDERVOLTAGE LOCKOUT (UVLO) APPLICATION INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE