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UG-157 

Evaluation Board User Guide

 

Rev. 0 | Page 12 of 12 

NOTES 

 

 

 

 

 

 

 

ESD Caution  
ESD (electrostatic discharge) sensitive device

. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection 

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. 

Legal Terms and Conditions  

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions 
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you 
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement.  This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. 
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, 
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided 
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional 
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term 
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including 
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may 
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to 
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any 
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. 
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice 
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO 
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED 
TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL 
PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF 
THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE 
AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable 
United States federal laws and regulations relating to exports. GOVERNING  LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of 
Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby 
submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

 

©2010 Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG09137-0-7/10(0)  

Содержание UG-157

Страница 1: ...own regulator with a two LDO solution that enables evaluation of the ADP5032 The evaluation board is available in standard voltage options The ADP5032 uses a proprietary high speed current mode constant frequency PWM control scheme for excellent stability and transient response To ensure the longest battery life in portable applications the ADP5032 features a power save mode PSM that reduces the s...

Страница 2: ...valuation Board 1 Revision History 2 Using the Evaluation Board 3 Powering Up the Evaluation Board 3 Measuring Evaluation Board Performance 3 Measuring Output Voltage 6 Measuring Ground Current 7 Evaluation Board Schematics and Artwork 8 Ordering Information 11 Bill of Materials 11 REVISION HISTORY 7 10 Revision 0 Initial Version ...

Страница 3: ...ut and output voltages with voltmeters Make sure that the voltmeters are connected to the appropriate evaluation board terminals and not directly to the load or power source If the voltmeters are not connected directly to the evaluation board the measured voltages will be incorrect due to the voltage drop across the leads and or connections between the evaluation board the power source and or the ...

Страница 4: ...easuring Inductor Current Measure the inductor current by removing one end of the inductor from its pad and connecting a current loop in series A current probe can be connected onto this wire Line Regulation of LDOs For line regulation measurements the regulator s output is monitored while its input is varied For good line regulation the output must change as little as possible with varying input ...

Страница 5: ...ges above 2 3 V Dropout voltage increases with larger loads For more accurate measurements a second voltmeter can be used to monitor the input voltage across the input capacitor The input supply voltage may need to be adjusted to account for IR drops especially if large load currents are used 2 790 2 792 2 794 2 796 2 798 2 800 2 802 2 804 2 806 2 808 2 810 0 0 02 0 04 0 06 0 08 0 10 0 12 0 14 IOU...

Страница 6: ...curacy measurements A resistor can be used as the load for the regulator Ensure that the resistor has a power rating adequate to handle the power expected to be dissipated across it An electronic load can also be used as an alternative Ensure that the voltage source can supply enough current for the expected load levels 09137 007 VOLTAGE SOURCE VOLTMETER 1 99711 Figure 7 Output Voltage Measurement...

Страница 7: ...ts A resistor can be used as the load for the regulator Ensure that the resistor has a power rating that is adequate to handle the power expected to be dissipated across it An electronic load can be used as an alternative Ensure that the voltage source used can supply enough current for the expected load levels 09137 008 VOLTAGE SOURCE VOLTMETER 0 00112 Figure 8 Ground Current Measurement ...

Страница 8: ... A3 B1 B2 B3 B4 JP11 VOUT1 JP12 VOUT2 JP13 VIN 1 2 1 2 1 2 D4 INDICATOR LED C6 4 7µF CD402STD C7 1µF CD402STD C5 4 7µF CD402STD J2 VIN_1 VIN_2 VIN1 VIN2 VIN4 VIN3 J1 J8 PGND J6 VOUT2 J9 PGND J7 VOUT3 J10 PGND VOUT1 J5 C4 1µF CD402STD J11 GND1 J12 GND2 3 JP3 MODE 2 1 3 2 1 3 JP4 LEDIN 2 1 3 2 1 COUT_1 10µF CD603STD COUT_2 10µF CD603STD COUT_3 1µF CD402STD J14 VOUT4 J13 PGND COUT_4 1µF CD402STD Figu...

Страница 9: ...Evaluation Board User Guide UG 157 Rev 0 Page 9 of 12 09137 011 Figure 11 Second Layer Recommended Layout 09137 012 Figure 12 Third Layer Recommended Layout ...

Страница 10: ...UG 157 Evaluation Board User Guide Rev 0 Page 10 of 12 09137 013 Figure 13 Bottom Layer Recommended Layout ...

Страница 11: ...er 1 U1 ADP5032 micro PMU 4 regulators Analog Devices ADP5032 2 C5 C6 Capacitor MLCC 4 7 μF 6 3V 0402 X5R Panasonic ECG ECJ 0EB0J475M 4 C7 C4 COUT_3 COUT_4 Capacitor MLCC 1 0 μF 6 3V 0402 X5R Taiyo Yuden LMK105BJ105MV F 2 COUT_2 COUT_1 Capacitor MLCC 10 0 μF 6 3V 0603 X5R Taiyo Yuden JMK107BJ106MA T 2 L1 L2 Inductor 1 0 μH 0 29 A 90 mΩ Taiyo Yuden CBMF1608T1R0M ...

Страница 12: ...er party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Bo...

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