Datasheet ADP220, ADP221 (Analog Devices) - 8

ADP220/ADP221 Data Sheet 160 0.9 3.3V 140 0.8 3.6V 4.0V 0.7 4.3V 120 A) A) µ 4.9V µ ( ( 0.6 5.5V 100 NT NT 0.5 80 N CURRE 0.4 W 60 UND CURRE I DO LOAD = 10µA 0.3 RO I G LOAD= 100µA 40 HUT ILOAD = 1mA S 0.2 ILOAD = 10mA 20 ILOAD = 100mA 0.1 ILOAD = 200mA 0 0 –40 –5 25 85 125
010
–50 –25 0 25 50 75 100 125
013
JUNCTION TEMPERATURE (°C) TEMPERATURE (°C)
07572- 07572- Figure 10. Ground Current vs. Junction Temperature, Both Outputs Loaded Figure 13. Shutdown Current vs. Temperature at Various Input Voltages
140 250 2.5V VOUT = 2.8V 2.8V 120 VIN = 3.3V 3.3V TA = 25°C 200 ) V A) 100 µ m ( ( NT GE 150 80 OLTA 60 T V 100 UND CURRE OU RO OP 40 G R D 50 20 0 0 0.01 0.1 1 10 100 1k
011
1 10 100 1k
014
LOAD CURRRENT (mA) LOAD CURRENT (mA)
07572- 07572- Figure 11. Ground Current vs. Load Current, Both Outputs Loaded Figure 14. Dropout Voltage vs. Load Current and Output Voltage
140 2.90 2.85 120 2.80 A) 100 ) µ V 2.75 ( ( NT GE 2.70 80 OLTA 2.65 60 T V U 2.60 UND CURRE ILOAD = 10µA TP RO I 40 LOAD = 100µA 2.55 OU ILOAD = 1mA G ILOAD = 1mA ILOAD = 5mA ILOAD = 10mA 2.50 ILOAD = 10mA 20 ILOAD = 100mA ILOAD = 50mA ILOAD = 200mA 2.45 ILOAD = 100mA ILOAD = 200mA 0 2.40 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
012
2.6 2.7 2.8 2.9 3.0 3.1
015
INPUT VOLTAGE (V) INPUT VOLTAGE (V)
07572- 07572- Figure 12. Ground Current vs. Input Voltage, Both Outputs Loaded Figure 15. Output Voltage vs. Input Voltage (In Dropout) Rev. H | Page 8 of 20 Document Outline Features Applications Typical Application Circuits General Description Table of Contents Revision History Specifications Input and Output Capacitor, 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 Undervoltage Lockout Enable Feature Current-Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board (PCB) Layout Considerations Outline Dimensions Ordering Guide