Datasheet ADM7150 (Analog Devices) - 10

ADM7150 Data Sheet 1.820 10 LOAD = 1mA LOAD = 10mA 9 1.815 LOAD = 100mA LOAD = 200mA 8 1.810 LOAD = 400mA LOAD = 800mA mA) 7 ( 1.805 NT 6 (V) 1.800 5 UT OV 4 1.795 UND CURRE RO 3 LOAD = 1mA 1.790 G LOAD = 10mA 2 LOAD = 100mA LOAD = 200mA 1.785 1 LOAD = 400mA LOAD = 800mA 1.780 0 4 6 8 10 12 14 16
023
4 6 8 10 12 14 16
026
V V
1043-
IN (V)
1043-
IN (V)
1 1 Figure 23. Output Voltage (VOUT) vs. Input Voltage (VIN), VOUT = 1.8 V Figure 26. Ground Current vs. Input Voltage (VIN), VOUT = 1.8 V
10 0 LOAD = 800mA 9 LOAD = 400mA LOAD = 200mA –20 8 LOAD = 100mA LOAD = 10mA 7 mA) ( –40 NT 6 B) d 5 –60 RR ( S 4 P UND CURRE –80 RO 3 LOAD = 1mA G LOAD = 10mA 2 LOAD = 100mA LOAD = 200mA –100 1 LOAD = 400mA LOAD = 800mA 0 –120 –40 –5 25 85 125
024
1 10 100 1k 10k 100k 1M 10M
027
JUNCTION TEMPERATURE (°C)
1043-
FREQUENCY (Hz)
1 1043- 1 Figure 24. Ground Current vs. Junction Temperature (TJ), VOUT =1.8 V Figure 27. Power Supply Rejection Ratio (PSRR) vs. Frequency, VOUT = 5 V, VIN = 6.2 V
10 0 400mV 1.0V 500mV 1.1V 9 600mV 1.2V –20 700mV 1.3V 8 800mV 1.4V 900mV 1.5V mA) 7 ( –40 NT 6 B) d 5 –60 RR ( S 4 P UND CURRE –80 RO 3 G 2 –100 1 0 –120 1 10 100 1000
025
1 10 100 1k 10k 100k 1M 10M
028
ILOAD (mA)
1043-
FREQUENCY (Hz)
1 1043- 1 Figure 25. Ground Current vs. Load Current (ILOAD), VOUT = 1.8 V Figure 28. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various Headroom Voltage, VOUT = 5 V, 400 mA Load Rev. 0 | Page 10 of 24 Document Outline Features Applications General Description Typical Application Circuit Table of Contents Revision History Specifications Input and Output Capacitor Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Capacitor Selection Output Capacitor Input and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties Enable (EN) and Undervoltage Lockout (UVLO) Start-Up Time REF, BYP, and, VREG pins Current-Limit and Thermal Overload Protection Thermal Considerations Thermal Characterization Parameter (ΨJB) Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide