Datasheet ADP7112 (Analog Devices) - 9

Data Sheet ADP7112 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 N ) 3.31 V ( RE T UR 150 OUV C 3.29 ND U 100 RO G 3.27 50 3.25 0
6 9
0 5 10 15 20
01
0 5 10 15 20
01
VIN (V) V
12508-
IN (V)
12508- Figure 16. Output Voltage (VOUT) vs. Input Voltage (VIN), VOUT = 3.3 V Figure 19. Ground Current vs. Input Voltage (VIN), VOUT = 3.3 V
300 300 LOAD = 100µA LOAD = 1mA 250 LOAD = 10mA 250 LOAD = 50mA LOAD = 100mA A) LOAD = 200mA (µ 200 (mV) E 200 NT G A T RRE L 150 150 CU VO T ND U U O 100 P 100 RO O G R D 50 50 0 0
0
–40 –5 25 85 125
017 8-
1 10 100 1000
02
JUNCTION TEMPERATURE (°C)
1250
ILOAD (mA)
12508- Figure 17. Ground Current vs. Junction Temperature, VOUT = 3.3 V Figure 20. 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 ( UR 100 T 3.1 C OUV ND 80 U 3.0 RO 60 LOAD = 5mA G LOAD = 10mA 40 LOAD = 50mA 2.9 LOAD = 100mA 20 LOAD = 150mA LOAD = 200mA 0 2.8
8 1
0.1 1 10 100 1000
01
3.1 3.3 3.5 3.7 3.9
02
ILOAD (mA) V
12508-
IN (V)
12508- Figure 18. Ground Current vs. Load Current (ILOAD), VOUT = 3.3 V Figure 21. Output Voltage (VOUT) vs. Input Voltage (VIN) in Dropout, VOUT = 3.3 V Rev. D | Page 9 of 21 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 Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programable Precision Enable Soft Start Noise Reduction of the ADP7112 in Adjustable Mode Current-Limit and Thermal Overload Protection Effect of Noise Reduction on Start-Up Time Thermal Considerations PCB Layout Considerations Outline Dimensions Ordering Guide