ADP1720ARMZ-R7 Analog Devices Inc, ADP1720ARMZ-R7 Datasheet
ADP1720ARMZ-R7
Specifications of ADP1720ARMZ-R7
Related parts for ADP1720ARMZ-R7
ADP1720ARMZ-R7 Summary of contents
Page 1
FEATURES Wide input voltage range Maximum output current Low light load current: 28 μ μA load 35 μA at 100 μA load Low shutdown current: 0.7 μA Low dropout voltage: 275 ...
Page 2
ADP1720 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Typical Application Circuits ............................................................ 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution .................................................................................. 5 Pin ...
Page 3
SPECIFICATIONS 100 μ μ OUT IN OUT Table 1. Parameter Symbol INPUT VOLTAGE RANGE V IN OPERATING SUPPLY CURRENT I GND SHUTDOWN CURRENT I GND-SD OUTPUT Fixed ...
Page 4
ADP1720 Parameter Symbol POWER SUPPLY REJECTION RATIO PSRR 1 Accuracy when OUT is connected directly to ADJ. When OUT voltage is set by external feedback resistors, absolute accuracy in adjust mode depends on the tolerances of resistors used. 2 Based ...
Page 5
ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Rating IN to GND –0 +30 V OUT to GND –0 (whichever is less GND –0 +30 V ADJ to GND –0.3 ...
Page 6
ADP1720 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS GND 1 ADP1720 IN 2 FIXED OUT 3 TOP VIEW (Not to Scale Figure 3. 8-Lead MSOP Table 4. Pin Function Descriptions ADP1720 ADP1720 Fixed Adjustable Pin No. Pin No. Mnemonic 1 ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS 100 μ OUT OUT 5.03 5.02 5.01 5.00 4. 10µA 4.98 LOAD I = 100µA LOAD I = 1mA LOAD I = 10mA ...
Page 8
ADP1720 300 250 200 150 100 (mA) LOAD Figure 11. Dropout Voltage vs. Load Current 5. 1mA LOAD 5.00 4.95 4. 50mA LOAD 4. 25mA LOAD 4. ...
Page 9
–10 OUT C = 1µF OUT V = 50mV –20 RIPPLE –30 –40 1mA –50 –60 100µA –70 –80 –90 –100 10 100 1k 10k 100k FREQUENCY (Hz) Figure 15. Power Supply ...
Page 10
ADP1720 THEORY OF OPERATION The ADP1720 is a low dropout, BiCDMOS linear regulator that operates from input rail and provides output current. Ground current in shutdown mode is typically ...
Page 11
APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor The ADP1720 is designed for operation with small, space-saving ceramic capacitors, but it functionswith most commonly used capacitors as long as care is taken about the effective series resistance (ESR) value. The ESR of ...
Page 12
ADP1720 THERMAL CONSIDERATIONS To guarantee reliable operation, the junction temperature of the ADP1720 must not exceed 125°C. To ensure the junction tem- perature stays below this maximum value, the user needs to be aware of the parameters that contribute to ...
Page 13
MAX T (DO NOT OPERATE ABOVE THIS POINT) J 120 100 1mA 10mA 30mA 50mA 5mA 20mA 40mA (LOAD CURRENT – V (V) IN OUT 2 Figure ...
Page 14
ADP1720 PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS Heat dissipation from the package can be improved by increasing the amount of copper attached to the pins of the ADP1720. How- ever, as can be seen from Table 5, a point of diminishing ...
Page 15
... OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range 1 ADP1720ARMZ-5-R7 –40°C to +125°C 1 ADP1720ARMZ-3.3-R7 –40°C to +125°C 1 ADP1720ARMZ-R7 –40°C to +125°C 1 ADP1720-5-EVALZ 1 ADP1720-3.3-EVALZ 1 ADP1720-EVALZ RoHS Compliant Part. 3.20 3.00 2.80 5. 3.20 4.90 3.00 4.65 2. PIN 1 0.65 BSC 0.95 0.85 1.10 MAX 0.75 8° ...
Page 16
ADP1720 NOTES ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06111-0-7/07(A) Rev Page ...