Product details

Number of channels (#) 2 Power switch MOSFET Peak output current (A) 5 Input VCC (Min) (V) 3.5 Input VCC (Max) (V) 14 Features UVLO Configured to Drive PFET through OUT_A Operating temperature range (C) -40 to 125 Rise time (ns) 14 Fall time (ns) 12 Prop delay (ns) 25 Input threshold TTL Channel input logic Inverting, Non-Inverting, Combination Input negative voltage (V) 0 Rating Catalog Undervoltage lockout (Typ) 3 Driver configuration Dual, Independent
Number of channels (#) 2 Power switch MOSFET Peak output current (A) 5 Input VCC (Min) (V) 3.5 Input VCC (Max) (V) 14 Features UVLO Configured to Drive PFET through OUT_A Operating temperature range (C) -40 to 125 Rise time (ns) 14 Fall time (ns) 12 Prop delay (ns) 25 Input threshold TTL Channel input logic Inverting, Non-Inverting, Combination Input negative voltage (V) 0 Rating Catalog Undervoltage lockout (Typ) 3 Driver configuration Dual, Independent
HVSSOP (DGN) 8 9 mm² 3 x 3 SOIC (D) 8 19 mm² 4.9 x 3.9
  • Independently Drives Two N-Channel MOSFETs
  • Compound CMOS and Bipolar Outputs Reduce Output Current Variation
  • 5-A Sink and 3-A Source Current Capability
  • Two Channels can be Connected in Parallel to Double the Drive Current
  • Independent Inputs (TTL Compatible)
  • Fast Propagation Times (25 ns Typical)
  • Fast Rise and Fall Times (14 ns and 12 ns Rise and Fall, Respectively, With 2-nF Load)
  • Available in Dual Noninverting, Dual Inverting and Combination Configurations
  • Supply Rail Undervoltage Lockout Protection (UVLO)ƒ
  • LM5111-4 UVLO Configured to Drive PFET through OUT_A and NFET through OUT_B
  • Pin Compatible With Industry Standard Gate Drivers
  • Independently Drives Two N-Channel MOSFETs
  • Compound CMOS and Bipolar Outputs Reduce Output Current Variation
  • 5-A Sink and 3-A Source Current Capability
  • Two Channels can be Connected in Parallel to Double the Drive Current
  • Independent Inputs (TTL Compatible)
  • Fast Propagation Times (25 ns Typical)
  • Fast Rise and Fall Times (14 ns and 12 ns Rise and Fall, Respectively, With 2-nF Load)
  • Available in Dual Noninverting, Dual Inverting and Combination Configurations
  • Supply Rail Undervoltage Lockout Protection (UVLO)ƒ
  • LM5111-4 UVLO Configured to Drive PFET through OUT_A and NFET through OUT_B
  • Pin Compatible With Industry Standard Gate Drivers

The LM5111 Dual Gate Driver replaces industry standard gate drivers with improved peak output current and efficiency. Each compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 5-A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is also provided. The drivers can be operated in parallel with inputs and outputs connected to double the drive current capability. This device is available in the SOIC package or the thermally enhanced
MSOP-PowerPAD package.

The LM5111 Dual Gate Driver replaces industry standard gate drivers with improved peak output current and efficiency. Each compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 5-A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is also provided. The drivers can be operated in parallel with inputs and outputs connected to double the drive current capability. This device is available in the SOIC package or the thermally enhanced
MSOP-PowerPAD package.

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UCC27524A ACTIVE 5-A/5-A dual-channel gate driver with 5-V UVLO, enable, and negative input voltage handling This product has higher drive current with 5-A sink/source, as well as faster propagation delay (13-ns) , rise time (7-ns) and fall time (6-ns).

Technical documentation

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Type Title Date
* Data sheet LM5111 Dual 5-A Compound Gate Driver datasheet (Rev. H) PDF | HTML 28 Sep 2016
Technical article Managing power-supply noise with a 30-V gate driver 07 Dec 2021
Application note External Gate Resistor Selection Guide (Rev. A) 28 Feb 2020
Application note Understanding Peak IOH and IOL Currents (Rev. A) 28 Feb 2020
Application note Improving Efficiency of DC-DC Conversion through Layout 07 May 2019
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 29 Oct 2018
Technical article How to achieve higher system robustness in DC drives, part 3: minimum input pulse 19 Sep 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article How to achieve higher system robustness in DC drives, part 2: interlock and deadtime 30 May 2018
Technical article Boosting efficiency for your solar inverter designs 24 May 2018
EVM User's guide AN-1937 LM3433 10A to 40A LED Driver Evaluation Board (Rev. D) 03 May 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

UCC27423-4-5-Q1EVM — UCC2742xQ1 Dual 4-A High-Speed Low-Side MOSFET Drivers With Enable Evaluation Module (EVM)

The UCC2742xQ1 EVM is a high-speed dual MOSFET evaluation module that provides a test platform for a quick and easy startup of the UCC2742xQ1 driver. Powered by a single 4V to 15V external supply, and featuring a comprehensive set of test points and jumpers. All of the devices have separate input (...)
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Simulation model

LM5111_4M PSpice Transient Model

SNVM357.ZIP (44 KB) - PSpice Model
Simulation model

LM5111_1M PSpice Transient Model

SNVM358.ZIP (55 KB) - PSpice Model
Simulation model

LM5111_3M PSpice Transient Model

SNVM359.ZIP (44 KB) - PSpice Model
Simulation model

LM5111_2M PSpice Transient Model

SNVM360.ZIP (45 KB) - PSpice Model
Simulation model

LM5111-4M TINA-TI Transient Reference Design

SNVM402.TSC (148 KB) - TINA-TI Reference Design
Simulation model

LM5111-4M TINA-TI Transient Spice Model

SNVM403.ZIP (9 KB) - TINA-TI Spice Model
Simulation model

LM5111-1M TINA-TI Transient Reference Design

SNVM404.TSC (146 KB) - TINA-TI Reference Design
Simulation model

LM5111-1M TINA-TI Transient Spice Model

SNVM405.ZIP (9 KB) - TINA-TI Spice Model
Simulation model

LM5111-2M TINA-TI Transient Spice Model

SNVM410.ZIP (10 KB) - TINA-TI Spice Model
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LM5111-2M TINA-TI Transient Reference Design

SNVM411.TSC (147 KB) - TINA-TI Reference Design
Simulation model

LM5111-3M TINA-TI Transient Reference Design

SNVM414.TSC (152 KB) - TINA-TI Reference Design
Simulation model

LM5111-3M TINA-TI Transient Spice Model

SNVM415.ZIP (10 KB) - TINA-TI Spice Model
Simulation model

LM5111_1M Unencrypted PSpice Transient Model

SNVMAD2.ZIP (1 KB) - PSpice Model
Simulation model

LM5111_3M Unencrypted PSpice Transient Model

SNVMAD3.ZIP (1 KB) - PSpice Model
Simulation model

LM5111_4M Unencrypted PSpice Transient Model

SNVMAD4.ZIP (1 KB) - PSpice Model
Simulation model

LM5111_2M Unencrypted PSpice Transient Model

SNVMAD5.ZIP (1 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

TIDM-AUTO-DC-LED-LIGHTING — Multiple Channels of High Density LED Control for Automotive Headlight Applications

This design, featuring the TMS320F2803x Piccolo microcontroller, implements a high efficiency multi-channel DC-DC LED control system for typically automotive lighting systems. The design support up to 6 channels of LED controls each with maximum of 1.2A current driving capabilities. With a  (...)
Schematic: PDF
Package Pins Download
HVSSOP (DGN) 8 View options
SOIC (D) 8 View options

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