Datasheet ADP7142 (Analog Devices) - 9

Data Sheet ADP7142 3.35 300 LOAD = 100µA LOAD = 100µA LOAD = 1mA LOAD = 1mA LOAD = 10mA LOAD = 10mA 250 LOAD = 50mA 3.33 LOAD = 50mA LOAD = 100mA LOAD = 100mA LOAD = 200mA LOAD = 200mA A) (µ 200 T 3.31 N RE (V) T 150 OU CUR V 3.29 UND 100 RO G 3.27 50 3.25 0
6
0 5 10 15 20 25 30 35 40
01
0 5 10 15 20 25 30 35 40
019
V
48-
IN (V) VIN (V)
118 11848- Figure 18. Output Voltage (VOUT) vs. Input Voltage (VIN), VOUT = 3.3 V Figure 21. Ground Current vs. Input Voltage (VIN), VOUT = 3.3 V
300 300 LOAD = 100µA LOAD = 1mA LOAD = 10mA 250 250 LOAD = 50mA LOAD = 100mA A) LOAD = 200mA (µ 200 ) 200 V NT (m RE T 150 150 CUR OU OP R UND D 100 100 RO G 50 50 0 0 –40 –5 25 85 125
017
1 10 100 1000
020 8-
JUNCTION TEMPERATURE (°C) I
1184
LOAD (mA)
11848- Figure 19. Ground Current vs. Junction Temperature, VOUT = 3.3 V Figure 22. Dropout Voltage vs. Load Current (ILOAD), VOUT = 3.3 V
200 3.4 180 3.3 160 A) 140 (µ 3.2 T N 120 ) RE V ( 100 T 3.1 CUR OUV 80 UND 3.0 RO 60 LOAD = 5mA G LOAD = 10mA 40 LOAD = 50mA 2.9 LOAD = 100mA 20 LOAD = 150mA LOAD = 200mA 0 2.8 0.1 1 10 100 1000
018
3.1 3.3 3.5 3.7 3.9
021
ILOAD (mA) V
11848-
IN (V)
11848- Figure 20. Ground Current vs. Load Current (ILOAD), VOUT = 3.3 V Figure 23. Output Voltage (VOUT) vs. Input Voltage (VIN) in Dropout, VOUT = 3.3 V Rev. H | Page 9 of 23 Document Outline Features Applications Typical Application Circuits General Description Revision History Specifications Input and Output Capacitance, Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information ADIsimPower Design Tool Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programable Precision Enable Soft Start Noise Reduction of the ADP7142 in Adjustable Mode Effect of Noise Reduction on Start-Up Time Current-Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide