ADP123AUJZ Analog Devices Inc, ADP123AUJZ Datasheet
ADP123AUJZ
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ADP123AUJZ Summary of contents
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FEATURES Input voltage supply range: 2 5.5 V 300 mA maximum output current Fixed and adjustable output voltage versions Very low dropout voltage 300 mA load Low quiescent current: 45 μ load Low ...
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ADP122/ADP123 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Typical Application Circuit ............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Recommended Specifications ..................................................... 4 Absolute Maximum Ratings ............................................................ 5 Thermal Data ................................................................................ 5 Thermal ...
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SPECIFICATIONS Unless otherwise noted 0 2.3 V, whichever is greater; ADJ connected to VOUT OUT = 1.0 μ 25°C. OUT A Table 1. Parameter Symbol INPUT VOLTAGE RANGE V ...
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ADP122/ADP123 Parameter Symbol OUTPUT NOISE OUT POWER SUPPLY REJECTION RATIO PSRR ( 0 OUT 1 The current from the external resistor divider network in the case of adjustable voltage output (as with the ADP123) should ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter VIN to GND ADJ to GND EN to GND VOUT to GND Storage Temperature Range Operating Ambient Temperature Range Operating Junction Temperature Soldering Conditions Stresses above those listed under Absolute Maximum Ratings may cause ...
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ADP122/ADP123 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VIN 1 5 ADP122 TOP VIEW GND 2 (Not to Scale CONNECT Figure 3. ADP122 Fixed Output Pin Configuration Table 5. Pin Function Descriptions Pin No. ADP122 ADP123 ...
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TYPICAL PERFORMANCE CHARACTERISTICS OUT OUT 3.300 3.295 3.290 3.285 I = 100µA OUT 3.280 I = 1mA OUT I = 10mA OUT I = 100mA OUT ...
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ADP122/ADP123 0.50 0. 3. 4. 5. 5.5V IN 0.20 ...
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I = 100µA OUT – 1mA OUT I = 10mA OUT – 100mA OUT I = 200mA OUT – 300mA OUT –60 –70 – 0.5V IN OUT V ...
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ADP122/ADP123 I OUT 1mA TO 300mA LOAD STEP OUT 200mA Ω CH1 B CH2 20.0mV B M 40.0µs A CH1 Figure 23. Load Transient Response 4.5V VOLTAGE STEP 2 ...
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THEORY OF OPERATION The ADP122/ADP123 are low quiescent current, low-dropout linear regulators that operate from 2 5.5 V and can provide up to 300 mA of output current. Drawing a low 170 μA of quies- cent current (typical) ...
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ADP122/ADP123 APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor The ADP122/ADP123 are designed for operation with small, space-saving ceramic capacitors, but these devices can function with most commonly used capacitors as long as care is taken to ensure an appropriate effective series ...
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Therefore, the capacitor chosen in this example meets the minimum capacitance requirement of the LDO over tem- perature and tolerance at the chosen output voltage. To guarantee the performance of the ADP122/ADP123 imperative that the effects of dc ...
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ADP122/ADP123 CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION The ADP122/ADP123 are protected from damage due to excessive power dissipation by current and thermal overload protection circuits. The ADP122/ADP123 are designed to limit the current when the output load reaches 500 mA ...
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JUNCTION TEMPERATURE CALCULATIONS 140 T MAX J 120 100 80 I LOAD 1mA LOAD LOAD 0 0.5 1.0 1.5 2.0 V – V (V) OUT IN Figure 34. Junction Temperature vs. Power Dissipation, 2 ...
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ADP122/ADP123 140 120 100 1mA I = 150mA 60 LOAD LOAD I = 10mA I = 250mA LOAD LOAD I = 300mA I = 50mA LOAD LOAD 100mA T MAX LOAD ...
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Figure 41. Example ADP122 PCB Layout Figure 42. Example ADP123 PCB Layout Rev Page ADP122/ADP123 ...
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... ADP122AUJZ-2.9-R7 –40°C to +125°C 2 ADP122AUJZ-3.0-R7 –40°C to +125°C 2 ADP122AUJZ-3.3-R7 –40°C to +125°C 2 ADP123AUJZ-R7 –40°C to +125°C 2 ADP122-3.3-EVALZ ADP123-EVALZ fixed-output voltage options from 1. 3.3 V are available. For additional voltage options, contact a local Analog Devices, Inc., sales or distribution representative. ...
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NOTES Rev Page ADP122/ADP123 ...
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ADP122/ADP123 NOTES ©2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08399-0-10/09(0) Rev Page ...