LM5109BSDX - Texas Instruments

Manufacturer Part Number

LM5109BSDX

Manufacturer

Texas Instruments

Introduction

The LM5109BSDX by Texas Instruments is a high voltage gate driver designed for driving N-Channel MOSFETs in a half-bridge configuration.

Product Features and Performance

High Voltage Gate Driver

Designed for N-Channel MOSFETs

Half-Bridge Driven Configuration

Independent Dual Channels

Non-Inverting Input Type

Peak Output Current 1A Source and Sink

Integrated Bootstrap Diode

Fast Rise and Fall Times (15ns typical)

Under-Voltage Lockout (UVLO)

Product Advantages

Optimized for high-efficiency power conversions

Compact 8-WDFN Exposed Pad Package for efficient thermal performance

Robust operation with High Side Voltage up to 108V (Bootstrap)

Wide operating temperature range from -40°C to 125°C

Key Technical Parameters

Supply Voltage Range: 8V to 14V

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

Bootstrap Voltage Max: 108V

Rise/Fall Time Typical: 15ns/15ns

Peak Output Current: 1A Source, 1A Sink

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Thermal Shutdown

Under-Voltage Lockout (UVLO)

Cross-Conduction Prevention Logic

Compatibility

Suitable for driving N-Channel Power MOSFETs

Application Areas

Switch Mode Power Supplies (SMPS)

Motor Controllers

DC to AC inverters

Power Inverters for Renewable Energy

Product Lifecycle

Obsolete

Replacements or Upgrades may be available (check with Texas Instruments)

Several Key Reasons to Choose This Product

Proven reliability from Texas Instruments

Designed specifically for high-voltage applications with 108V max bootstrap voltage

Ideal for compact, high-performance power management solutions

Thermal protection and UVLO for improved safety and durability

Effective gate drive solution with 1A peak current capability for robust power MOSFET switching