ADP2102-1.5-EVALZ Analog Devices Inc, ADP2102-1.5-EVALZ Datasheet
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ADP2102-1.5-EVALZ
Specifications of ADP2102-1.5-EVALZ
Related parts for ADP2102-1.5-EVALZ
ADP2102-1.5-EVALZ Summary of contents
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... The power switch and synchronous rectifier are integrated for minimal external part count and high efficiency. The ADP2102 is optimized for operation with small ceramic inductors and tiny ceramic capacitors to deliver the maximum output power per square inch of the PCB board area ...
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... EVAL-ADP2102 TABLE OF CONTENTS Features .............................................................................................. 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Evaluation Board Hardware ............................................................ 3 Powering Up the Evaluation Board ............................................ 3 Measuring Evaluation Board Performance .................................. 3 Modifying the Evaluation Board ................................................ 4 REVISION HISTORY 6/08—Rev Rev. A Changes to Features Section............................................................ 1 Changes to General Description Section ...................................... 1 Changes to Turning on the Evaluation Board Section ................ 3 Changes to Modifying the Evaluation Board Section.................. 4 Deleted Figure 4 and Figure 7 ...
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... MODE pin polarity. If the MODE pin is pulled high, ADP2102 operates in forced continuous conduction mode, and if the MODE pin is pulled low, ADP2102 operates in power-save mode. Input Power Source Before connecting the power source to the ADP2102 evaluation board, make sure it is turned off ...
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... STRING Once R2 is determined, calculate the value of the top resistor, R1 For example, to set the output regulation voltage of the ADP2102-4-EVALZ to 3.0 V, calculate the value of Resistor R1 and Resistor R2 Refer Table 1 for the recommended V ensure stable operation. ...
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... MEASUREMENT SETUP OUTPUT VOLTAGE WAVEFORM 3A VOLTAGE SOURCE INDUCTOR OSCILLOSCOPE V LX NODE WAVEFORM Figure 2. Typical Measurement Setup Rev Page EVAL-ADP2102 ELECTRONIC LOAD VOLTMETER V OUT I OUT CURRENT PROBE 1V SEP 1V SEP OFF EVE OFF DIV VD 1S DIV VPOS NVERT DVA DVA ADD INDUCTOR CURRENT ...
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... CH1 5.00V M 100µs A CH3 B W CH3 200mA Ω CH4 50.0mV 27.60% Figure 4. Load Transient Response for ADP2102-1.2-EVALZ (1.2 V Output) 100 1000 Figure 5. Efficiency vs. Load Current—ADP2102-4-EVALZ (3.3 V Output) 192mA Figure 6. Load Transient Response for ADP2102-4-EVALZ (3.3 V Output) Rev Page 100 ...
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... PGND plane. In addition, make the high current path from the PGND pin through L1 and COUT and back to the PGND plane as short as possible this, ensure that the PGND pin of the ADP2102 is tied as close as possible to the input and output capacitors on the PGND plane. ...
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... MODE AVIN PVIN 2.2µ FB/OUT AGND PGND CBP COUT 1pF 4.7µF R1 CFF 6.8pF Figure 8. ADP2102-x-EVALZ Schematic (Adjustable Output Voltage) Rev Page TB1 VIN TB2 VOUT CIN 2.2µF TB3 PGND TB1 VIN TB2 VOUT CIN 2.2µF TB3 PGND ...
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... MODE CBP EN FB/OUT ADP2102 AGND Figure 9. Recommended Layout of the Top Layer of the ADP2102 Fixed Output Voltage Evaluation Board VIN MODE EN AGND FB/OUT Figure 10. Recommended Layout of the Bottom Layer of the ADP2102 Fixed Output Voltage Evaluation Board Figure 11. Recommended Layout of the ADP2102 Adjustable Output Voltage Evaluation Board Rev ...
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... ADP2102-1.0-EVALZ Evaluation Board (Fixed Output 1 ADP2102-1.2-EVALZ Evaluation Board (Fixed Output 1.2 V) ADP2102-1.25-EVALZ 1 Evaluation Board (Fixed Output 1. ADP2102-1.375EVALZ Evaluation Board (Fixed Output 1.375 V) ADP2102-1.5-EVALZ 1 Evaluation Board (Fixed Output 1 ADP2102-1.8-EVALZ Evaluation Board (Fixed Output 1 ADP2102-1.875EVALZ Evaluation Board (Fixed Output 1.875 V) 1 ADP2102-1-EVALZ Evaluation Board (Adjustable Output 0 1.2 V) ...
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... NOTES Rev Page EVAL-ADP2102 ...
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... EVAL-ADP2102 NOTES ©2007–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. EB06935-0-6/08(A) Rev Page ...