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User's Guide
UA78LEVM-075 Evaluation Module
This user's guide describes the operational use of the UA78LEVM-075 evaluation module (EVM) as a reference
design for engineering demonstration and evaluation of the UA78L05CPK, low-dropout linear regulator (LDO).
Included in this user's guide are setup and operating instructions, layout guidelines, a printed circuit board (PCB)
layout, a schematic diagram, and a bill of materials (BOM). Throughout this document, the terms demonstration
kit, evaluation board, evaluation module, and EVM are synonymous with the UA78LEVM-075.
1
Introduction.............................................................................................................................................................................2
1.1 Before You Begin...............................................................................................................................................................
2
Schematic................................................................................................................................................................................3
3 EVM Setup...............................................................................................................................................................................
3.1 Jumper Connections..........................................................................................................................................................
Points..........................................................................................................................................................................4
3.3 Soldering Guidelines..........................................................................................................................................................
4 Equipment Connection and Operation.................................................................................................................................
Layout..............................................................................................................................................................................5
(BOM)............................................................................................................................................................7
Figure 5-1. UA78LEVM-075 Top Assembly Layer and Silkscreen..............................................................................................
Figure 5-2. UA78LEVM-075 Top Layer Routing..........................................................................................................................
Functions....................................................................................................................................................4
Trademarks
All trademarks are the property of their respective owners.
SLVUCG1 - DECEMBER 2022
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Figure 1-1. UA78LEVM-075 Evaluation Module
Table of Contents
List of Figures
Module..........................................................................................................................1
Schematic.......................................................................................................................................3
Routing.....................................................................................................................6
List of Tables
BOM.................................................................................................................................................7
Copyright © 2022 Texas Instruments Incorporated
ABSTRACT
Silkscreen.........................................................................................6
Table of Contents
UA78LEVM-075 Evaluation Module
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Summary of Contents for Texas Instruments UA78LEVM-075
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Page 1: Table Of Contents
UA78LEVM-075 Evaluation Module ABSTRACT This user’s guide describes the operational use of the UA78LEVM-075 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the UA78L05CPK, low-dropout linear regulator (LDO). Included in this user’s guide are setup and operating instructions, layout guidelines, a printed circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM). -
Page 2: Introduction
Failure to adhere to these steps or to not heed the safety requirements at each step may lead to shock, injury, and damage to the hardware. Texas Instruments is not responsible or liable in any way for shock, injury, or damage caused by negligence or failure to heed advice. If you are not trained in the proper safety of handling and testing power electronics please do not test this evaluation module. -
Page 3: Schematic
10uF 22284030 Figure 2-1. UA78LEVM-075 Schematic 3 EVM Setup This section describes how to properly connect and setup the UA78LEVM-075, including the jumpers and connectors on the EVM board. See Section 4 for the proper connections of test equipment. 3.1 Jumper Connections 3.1.1 J1... -
Page 4: Test Points
EVM Setup www.ti.com 3.2 Test Points Table 3-1 lists the test points for the UA78LEVM-075. Table 3-1. Test Point Functions TEST POINT NAME DESCRIPTION Unregulated DC input VOUT Regulated DC output Device GND 3.3 Soldering Guidelines To avoid damaging the LDO, use a hot-air system for any solder rework to modify the EVM for the purpose of repair or other application reasons. -
Page 5: Pcb Layout
5 PCB Layout Figure 5-1 through Figure 5-4 illustrate the layout for the UA78LEVM-075. Figure 5-1. UA78LEVM-075 Top Assembly Layer and Silkscreen Figure 5-2. UA78LEVM-075 Top Layer Routing SLVUCG1 – DECEMBER 2022 UA78LEVM-075 Evaluation Module Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 6: Figure 5-3. Ua78Levm-075 Bottom Layer
PCB Layout www.ti.com Figure 5-3. UA78LEVM-075 Bottom Layer Routing Figure 5-4. UA78LEVM-075 Bottom Assembly Layer and Silkscreen UA78LEVM-075 Evaluation Module SLVUCG1 – DECEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 7: Bill Of Materials (Bom)
J5, J6 SMA, 50 Ohm, Gold, TH SMA, TH 32K101-400L5 Rosenberger Header, 2.54mm, 3x1, Tin, TH Header, 22284030 Molex 2.54mm, 3x1, Tin, TH SLVUCG1 – DECEMBER 2022 UA78LEVM-075 Evaluation Module Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 8 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 9 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
- Page 10 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
- Page 11 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
- Page 12 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
- Page 13 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...
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