LM5109MA - Texas Instruments

Manufacturer Part Number

LM5109MA

Manufacturer

Texas Instruments

Introduction

The LM5109MA is a high-voltage gate driver specifically designed for half-bridge applications, capable of driving N-Channel MOSFETs.

Product Features and Performance

Half-Bridge Configuration

Independent Channel Operation

Supports 2 Drivers

Compatible with N-Channel MOSFET Gate Type

Supply Voltage Range between 8V and 14V

Logic Voltage Thresholds are 0.8V (VIL) and 2.2V (VIH)

Peak Output Current (Source/Sink) is 1A

Non-Inverting Input Type

Maximum High Side Voltage (Bootstrap) is 118V

Typical Rise and Fall Times are 15ns

Rated for Operations at Temperatures from -40°C to 125°C

Product Advantages

High-Voltage Operation for robust use in various applications

Efficient design for rapid switching performance

Capable of driving large loads with 1A peak output current

Thermal performance suitable for extended temperature ranges

Small form factor with 8-SOIC packaging for space-sensitive applications

Key Technical Parameters

Gate Type: N-Channel MOSFET

Voltage Supply: 8V to 14V

Logic Voltage: VIL: 0.8V, VIH: 2.2V

Current Peak Output: 1A

High Side Voltage Max (Bootstrap): 118 V

Rise / Fall Time: 15ns

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Compliance with industry-standard safety regulations

Built-in protection features for over-voltage, under-voltage, and temperature extremes

Compatibility

Compatible with various N-Channel MOSFETs

Suitable for use in standard 8-SOIC package mounting

Application Areas

Motor Control Systems

Power Converters

Power Inverters

Switching Power Supplies

Product Lifecycle

Product Status: Obsolete

Alternative models or replacements might be suggested by the manufacturer for new designs

Several Key Reasons to Choose This Product

Reliable operation from a reputable manufacturer, Texas Instruments

High-voltage range suitable for power-intensive applications

Robust thermal and electrical performance characteristics

Compact size suitable for limited-space PCB designs

Obsolescence status necessitates securing inventory for maintenance or considering newer alternatives for design