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User's Guide
SLVU416–December 2010
TPS70728EVM-612
This user’s guide describes operational use of the TLV70728EVM-612 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TLV70728, low dropout (LDO) linear
regulator. Included in this user’s guide are setup instructions, a schematic diagram, layout and thermal
guidelines, a bill of materials, and test results.
Contents
1 Introduction .................................................................................................................. 2
2 Setup ......................................................................................................................... 2
2.1 Input/Output Connectors and Jumper Descriptions ........................................................... 2
2.2 Soldering Guidelines ............................................................................................... 2
2.3 Equipment Interconnect ........................................................................................... 2
3 Operation ..................................................................................................................... 2
4 Test Results ................................................................................................................. 2
4.1 Turnon Sequence .................................................................................................. 3
4.2 Output Load Transient ............................................................................................. 3
5 Thermal Guidelines and Layout Recommendations ................................................................... 4
6 Board Layout ................................................................................................................ 4
7 Schematic and Bill of Materials ........................................................................................... 6
7.1 Schematic ........................................................................................................... 6
7.2 Bill of Materials ..................................................................................................... 7
List of Figures
1 Turnon Sequence: C4 EN – Turnon to 3 V, C3 OUT – 2.8-V Turnon Ramp, C2 – Input Rush Current at
Turnon........................................................................................................................ 3
2 Step Load and Transient Response: C2 – Full Load Step Current Transient, C3 OUT – Output Voltage
Transient Response ........................................................................................................ 3
3 Assembly Layer ............................................................................................................. 4
4 Top Layer Routing .......................................................................................................... 5
5 Bottom Layer Routing ...................................................................................................... 5
6 TLV70728EVM-612 Schematic ........................................................................................... 6
List of Tables
1 EVM Thermal Resistance, q_ja , and Maximum Power Dissipation ................................................. 4
2 TLV70728EVM-612 Bill of Materials...................................................................................... 7
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SLVU416–December 2010 TPS70728EVM-612
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