TPS715EVM-074

TPS715 EVALUATION MODULE FOR 50-

This user guide describes the operational use of the TPS715EVM-074 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the TPS71501DCKR, low-dropout linear regulator (LDO). Included in this user 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 TPS715EVM-074.

1 Introduction

Texas Instruments' TPS715EVM-074 helps design engineers evaluate the operation and performance of the TPS71501DCKR linear regulator for possible use in their own circuit application. This particular EVM configuration contains a single 50-mA, mid-voltage, low-IQ, low-dropout regulator (LDO) for general applications. The regulator is capable of delivering up to 50 mA and has a VIN range of up to 24 V. For stability for the TPS71501DCKR, use a 1-µF (or larger) output capacitor (Cout).

1.1 Before You Begin

The following warnings are noted for the safety of anyone using or working close to the TPS715EVM-074. Observe all safety precautions.

2 Schemati

3 EVM Setup

This section describes how to properly connect and setup the TPS715EVM-074, including the jumpers and connectors on the EVM board. See Section 4 for the proper connections of test equipment.

4 Equipment Connection and Operation

Connect test equipment as described in this section and follow the listed steps to properly take measurements.

1. Configure the onboard shunts to set the main output voltage VOUT .

2. Verify that the input voltage power supply is set from 0 V to 24 V

3. Connect the anode of the power supply to J1 (VIN) and the cathode to J2 (GND)

4. Connect the anode of the load for the output to J3 and the cathode to J4

5. Turn on the power supply

6. Vary VIN and the load as necessary for testing purposes

5 PCB Layout