LM5111-3MX - Texas Instruments

Manufacturer Part Number

LM5111-3MX

Manufacturer

Texas Instruments

Introduction

The LM5111-3MX is a low-side gate driver designed for driving N-channel MOSFETs in power management applications.

Product Features and Performance

Independent dual channels for driving two MOSFETs

Wide supply voltage range from 3.5V to 14V

Compatible with N-Channel MOSFET gates

Logic voltage thresholds of 0.8V (VIL) and 2.2V (VIH)

High peak output current capability of 3A (source) and 5A (sink)

Fast rise and fall times of 14ns and 12ns respectively

Input types include both inverting and non-inverting options

Operational across a wide temperature range of -40°C to 125°C (TJ)

Product Advantages

The ability to drive two independent channels allows for flexible design configurations.

High peak current enhances the performance in high-power applications.

Fast switching speeds improve efficiency and reduce power loss.

Key Technical Parameters

Number of Drivers: 2

Voltage Supply: 3.5V ~ 14V

Logic Voltage VIL, VIH: 0.8V, 2.2V

Current Peak Output (Source, Sink): 3A, 5A

Rise / Fall Time (Typ): 14ns, 12ns

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Stringent quality control and testing protocols consistent with Texas Instruments’ industry standards.

Thermal protection within the operating temperature range ensures device reliability.

Compatibility

Designed for use with N-Channel MOSFETs in power management configurations.

Application Areas

Switching power supplies

Motor drivers

Power converters

Class D amplifiers

Product Lifecycle

The product status is "Not For New Designs," indicating that it may be nearing discontinuation.

Potential replacement or upgrade options should be verified with Texas Instruments for future designs.

Several Key Reasons to Choose This Product

Texas Instruments' reputation for high-quality and reliable components.

Versatility in driving dual independent low-side MOSFETs.

High current capability suitable for demanding applications.

Rapid switching times enable improved efficiency and power management.

Suitability for various applications due to the broad operating temperature range.

Although not recommended for new designs, it might still fit legacy systems or specific niche applications where design re-certification is not feasible.