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Description
This is the ER2120QI User Guide. The
ER2120QI integrates a controller with integ-
rated power MOSFETs, most of the compen-
sation network, and protection circuitry against
system faults. This level of integration delivers
Evaluation Board Over View
Figure 1. ER2120QI Evaluation Board Illustration (Follow instructions on page 2)
10605
®
Enpirion
Power Evaluation Board
ER2120QI 2A Synchronous Buck PowerSoC
Evaluation Board User Guide
a
substantial
component count compared to competing
solutions. The evaluation board is optimized for
engineering ease of testing through program-
ming options, clip leads, test points etc.
December 23, 2014
reduction
in
footprint
www.altera.com/enpirion
and
Rev A
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Table of Contents
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Summary of Contents for Altera ER2120QI
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Page 1: Evaluation Board User Guide
This level of integration delivers ming options, clip leads, test points etc. Evaluation Board Over View Figure 1. ER2120QI Evaluation Board Illustration (Follow instructions on page 2) www.altera.com/enpirion 10605 December 23, 2014... - Page 2 ER2120QI Evaluation Board User Guide Instructions ���� ∗ 0.6���� ���� ���� − 0.6���� ������������ 1 The numbers in the instructions below correspond to the numbers in Figure 1. By following the number ���� ∗ 0.6���� ���� sequence below, the device can be turned on by ����...
- Page 3 ���� ���� (������������ ) ������������2 Using resistors lower than 40kΩ or higher than 97kΩ may damage the ER2120QI and is not recommended. Figure 2. VOLTAGE MODE BUCK CONVERTER 14) Soft Start Capacitor (C107 & C207) – The COMPENSATION DESIGN soft start capacitor is 15nF by default. This capacitor, along with an internal 30μA...
- Page 4 ER2120QI Evaluation Board User Guide Evaluation Board Schematic www.altera.com/enpirion, Page 4 10605 December 23, 2014 Rev A...
- Page 5 ER2120QI Evaluation Board User Guide Bill of Materials Designator Description C100B, C100A, CAP,SMD,1206,10uF,25V,10%,X5R,ROHS C200B, C200A C102, C202 CAP,SMD,0402, 0.1uF,16V,10%,X7R,ROHS C103, C203 CAP,SMD,0402,1.0uF,10V,10%,X5R,ROHS C104, C204 DO NOT POPULATE OR PURCHASE C105, C205 CAP,SMD,1210,100uF,10V,20%,X5R,ROHS C106, C206 CAP, SMD,0402, DNP-PLACE HOLDER,ROHS C107, C207 CAP,SMD,0402,0.015uF,16V,10%,X7R,ROHS...
- Page 6 © 2013 Altera Corporation—Confidential. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, HARDCOPY, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in other countries. All other words and logos identif ied as trademarks or service marks are the property of their respective holders as described at www.altera.com/common/legal.html.
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