Datasheet

Introduction

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1 Introduction

The TPS22907/08EVM-025 evaluation module (EVM) allows the user to connect power to and control the

Ultra Small CSP-4 package load switch. Parameters such as On State resistance, Slew Rate and

Discharge properties can be easily evaluated.

Table 1. TPS22907 / TPS22908 VOUT Rise Time, Enable, and Output Discharge Options

Rise Time (µs) Enable Quick Output

EVM Device VIN (V)

Typical (ON Pin) Discharge

HVL025-001 TPS22907 25 1.1 V – 3.6 V Active High No

HVL025-002 TPS22908 100 1.0 V – 3.6 V Active High Yes

2 Description

The TPS22907/08EVM-025 contains a P-channel MOSFET switch that operates over an input voltage

range discussed in Table 1. The switch is controlled by an on/off input (ON), which is capable of

interfacing directly with low voltage control signals.

2.1 Typical Applications

• Battery Powered Equipment

• Portable Industrial Equipment

• Portable Medical Equipment

• Portable Media Players

• Smart phones / Tablets

• Digital Cameras

• GPS Devices

2.2 Features

• Ultra Low On State Resistance

• 1A Maximum Continuous Switch Current

• Controlled Slew Rate to Avoid Inrush Currents

3 Electrical Performance

Refer to the TPS22907 and TPS22908 Datasheets for the electrical performance limits of each device

type.

4 Operation

4.1 Equipment

Voltage Sources:

• DC supply will be used.

– DC Supply capable of 5V, 3A.

Multimeters:

• Multi Meter for measuring switch voltage drop and VOUT voltage.

Output Load:

• Variable load connected to VOUT, observe power rating,

Oscilloscope:

• 2 channel 100MHz

Recommended Wire Gauge: 18 AWG

Using the TPS22907-08EVM-025 Single Channel Load Switch IC SLVU765–October 2012

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