Datasheet ADM7160 (Analog Devices) - 9

Data Sheet ADM7160 0 0 –10 1kHz I –10 LOAD = 200mA 10kHz –20 ILOAD = 100mA 100kHz ILOAD = 50mA –20 500kHz –30 ILOAD = 10mA 1MHz ILOAD = 1mA –30 –40 B) B) d d –50 –40 RR ( S RR ( P S –60 P –50 –70 –60 –80 –70 –90 –100 –80 10 100 1k 10k 100k 1M 10M
014
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
018
FREQUENCY (Hz)
1334- 1
HEADROOM VOLTAGE (V)
1334- 1 Figure 15. PSRR vs. Frequency and Load Current, 300 mV Headroom, Figure 18. PSRR vs. Headroom Voltage at Various Frequencies, VOUT = 3.3 V ILOAD = 100 mA
0 0 ILOAD = 200mA –10 ILOAD = 100mA 1kHz I –10 LOAD = 50mA 10kHz –20 ILOAD = 10mA 100kHz ILOAD = 1mA –20 500kHz –30 1MHz –30 –40 B) B) d d –50 –40 RR ( S RR ( P S –60 P –50 –70 –60 –80 –70 –90 –100
1
–80
1
10 100 1k 10k 100k 1M 10M
0
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
019
FREQUENCY (Hz)
1334- 1
HEADROOM VOLTAGE (V)
1334- 1 Figure 16. PSRR vs. Frequency and Load Current, 300 mV Headroom, Figure 19. PSRR vs. Headroom Voltage at Various Frequencies, VOUT = 2.5 V ILOAD = 50 mA
0 0 1kHz 1kHz –10 10kHz –10 10kHz 100kHz 100kHz –20 500kHz –20 500kHz 1MHz 1MHz –30 –30 B) B) d d –40 –40 RR ( RR ( S S P P –50 –50 –60 –60 –70 –70 –80 –80 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
017
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
020
HEADROOM VOLTAGE (V)
1334-
HEADROOM VOLTAGE (V)
1334- 1 1 Figure 17. PSRR vs. Headroom Voltage at Various Frequencies, Figure 20. PSRR vs. Headroom Voltage at Various Frequencies, ILOAD = 200 mA ILOAD = 10 mA Rev. A | Page 9 of 24 Document Outline Features Applications Application Circuit General Description Table of Contents Revision History Specifications Input and Output Capacitors, Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Enable Feature Soft Start Current-Limit and Thermal Overload Protection Applications Information Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Thermal Considerations PCB Layout Considerations Typical Application Circuits Outline Dimensions Ordering Guide