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Altera ER2120QI, User Manual

The Altera ER2120QI User Manual is your comprehensive guide to unlocking the full potential of this advanced product. This detailed manual is available for free download from our website, ensuring easy access to crucial information that will enhance your user experience.

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ER2120QI Evaluation Board User Guide

Evaluation Board Schematic

www.altera.com/enpirion

, Page 4

10605 December 23, 2014 Rev A

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Summary of Contents for ER2120QI

Page 1: ...d protection circuitry against system faults This level of integration delivers a substantial reduction in footprint and 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 Evaluation Board Over View Figure 1 ER2120QI Evaluation Board Illustration Follow instructions on page 2 www ...

Page 2: ... The output voltage of the regulator can be programmed via an external resistor divider Equations 1 and 2 describe the relationship between VOUT and the resistor values 𝑅𝑅111 𝑅𝑅108 0 6𝑉𝑉 𝑉𝑉𝑜𝑜𝑜𝑜𝑜𝑜1 0 6𝑉𝑉 1 𝑅𝑅211 𝑅𝑅208 0 6𝑉𝑉 𝑉𝑉𝑜𝑜𝑜𝑜𝑜𝑜2 0 6𝑉𝑉 2 Where R108 and R208 are 28kΩ and are the feedback resistor for the upper and the lower parts respectively 0 6V is the value of the internal reference and Vout1...

Page 3: ...𝑘𝑘𝑘𝑘 4 Using resistors lower than 40kΩ or higher than 97kΩ may damage the ER2120QI and is not recommended 14 Soft Start Capacitor C107 C207 The soft start capacitor is 15nF by default This capacitor along with an internal 30μA current source sets the soft start interval of the converter tSS 𝐶𝐶𝑆𝑆𝑆𝑆 𝜇𝜇𝜇𝜇 50 𝑡𝑡𝑆𝑆𝑆𝑆 𝑠𝑠 6 15 Soft Start Capacitor TP TP109 TP209 These are the soft start test points 16 Ex...

Page 4: ...ER2120QI Evaluation Board User Guide Evaluation Board Schematic www altera com enpirion Page 4 10605 December 23 2014 Rev A ...

Page 5: ... TURRET TERMINAL POST TH ROHS J7 J8 J9 J10 4 CONN SCOPE PROBE TEST PT COMPACT PCB MNT ROHS LED1 LED2 2 LED GaAs RED SMD 2X1 25mm 100mW 40mA 10mcd ROHS L100 L200 2 COIL PWR INDUCTOR SMD 8 3mm 4 7uH 30 3 4A ROHS SHIELDED Q1 Q2 Q4 Q5 4 TRANSISTOR NPN 3LD SOT23 40V 600mA ROHS Q3 Q6 2 TRANSISTOR N CHANNEL 3LD SOT 23 60V 115mA ROHS R1 R6 2 RES SMD 0402 75ohm 1 16W 5 TF ROHS R2 R4 2 RES SMD 0402 5 49K 1 ...

Page 6: ...rive San Jose CA 95134 Phone 408 544 7000 www altera com 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 pr...

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