Texas Instruments TLV70728EVM-612 Evaluation Module for 200 mA, Low IQ, Low-Dropout Regulator TLV70728EVM-612 TLV70728EVM-612 Scheda Tecnica

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.

1

Introduction

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2

Setup

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2.1

Input/Output Connectors and Jumper Descriptions

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2.2

Soldering Guidelines

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2.3

Equipment Interconnect

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3

Operation

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4

Test Results

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4.1

Turnon Sequence

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4.2

Output Load Transient

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5

Thermal Guidelines and Layout Recommendations

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6

Board Layout

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7

Schematic and Bill of Materials

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7.1

Schematic

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7.2

Bill of Materials

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1

Turnon Sequence: C4 EN – Turnon to 3 V, C3 OUT – 2.8-V Turnon Ramp, C2 – Input Rush Current at
Turnon

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2

Step Load and Transient Response: C2 – Full Load Step Current Transient, C3 OUT – Output Voltage
Transient Response

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3

Assembly Layer

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4

Top Layer Routing

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5

Bottom Layer Routing

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6

TLV70728EVM-612 Schematic

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1

EVM Thermal Resistance,

q

_ja , and Maximum Power Dissipation

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2

TLV70728EVM-612 Bill of Materials

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1

SLVU416 – December 2010

© 2010, Texas Instruments Incorporated