Texas Instruments TPS73633EVM User Manual
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Texas Instruments TPS73633EVM User Manual

Texas Instruments TPS73633EVM User Manual

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TPS73633EVM
User's Guide
April 2004
PMP Portable Power
SLVU109

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Summary of Contents for Texas Instruments TPS73633EVM

  • Page 1 TPS73633EVM User’s Guide April 2004 PMP Portable Power SLVU109...
  • Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:...
  • Page 3 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
  • Page 4 EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright  2004, Texas Instruments Incorporated...
  • Page 5 About This Manual This User’s Guide describes the characteristics, operation, and use of the TPS73633EVM evaluation module (EVM). This EVM is designed to help the user easily evaluate and test the operation and functionality of the TPS73633. This User’s Guide includes setup instructions for the hardware, a schematic diagram, a bill of materials (BOM), and PCB layout drawings for the evaluation module.

  • Page 7: Table Of Contents

    Contents Contents Introduction ..............Background .
  • Page 8 4−1 TPS73633EVM Bill of Materials ..........

  • Page 9: Introduction

    Chapter 1 Introduction The Texas Instruments TPS73633DRB is a low dropout regulator (LDO) in a 3×3-mm QFN package that provides output currents of up to 500 mA. This IC has an NMOS topology with a voltage-follower pass element that allows operation with either low-ESR ceramic output capacitors or no output capacitors at all.

  • Page 10: Background

    Background 1.1 Background The TPS73633EVM uses the TPS73633DRB in a 3×3-mm QFN package to provide 3.3 V at up to 500 mA. The EVM operates at full-rated performance with an input voltage between 3.5 V and 5.5 V. Although the IC does not require input or output capacitors, the EVM comes with these capacitors populated.

  • Page 11: Setup

    Chapter 2 Setup This chapter describes how to properly use the TPS73633EVM. Topic Page Input/Output Connector Descriptions EVM Connection ..Setup ............

  • Page 12: Input/Output Connector Descriptions Evm Connection

    Input/Output Connector Descriptions EVM Connection 2.1 Input/Output Connector Descriptions EVM Connection J1−VIN Positive input connection from the input supply J2−GND Return connection from the input supply. Common with J4. J3−VOUT Output voltage from the EVM J4−GND Return connection from the load. Common with J2 JP1−EN Enable jumper for the EVM.

  • Page 13: Board Layout

    Chapter 3 Board Layout This chapter provides the TPS73633EVM board layout and illustrations. Topic Page Layout ............

  • Page 14: Layout

    Layout 3.1 Layout Figure 1−3 shows the board layout for the TPS73633EVM PWB. Figure 3−1. Assembly Layer Figure 3−2. Top Layer Routing Figure 3−3. Bottom Layer Routing...

  • Page 15: Schematic And Bill Of Materials

    Chapter 4 Schematic and Bill of Materials This chapter provides the TPS73633EVM schematic and bill of materials. Topic Page Schematic ........... .

  • Page 16: Schematic

    Schematic 4.1 Schematic Figure 4−1. TPS73633EVM Schematic...

  • Page 17: Bill Of Materials

    Bill of Materials 4.2 Bill of Materials Table 4−1. TPS73633EVM Bill of Materials Count Ref Des Description SIZE Part Number Capacitor, ceramic, 2.2 µF, 6.3 V, X5R, 10% C2012X5R0J225KT Capacitor, ceramic, 1.0 µF, 6.3 V, X5R, 10% C3216X5R0J105KT 0.100 × 2 J1−J4...
  • Page 19 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS73633EVM-066...

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