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Product details

Parameters

Bus voltage (Max) (V) 100 Power switch MOSFET Input VCC (Min) (V) 8 Input VCC (Max) (V) 14 Peak output current (A) 1.4 Rise time (ns) 15 Operating temperature range (C) -40 to 125 Rating Catalog Number of channels (#) 2 Fall time (ns) 15 Prop delay (ns) 25 Iq (uA) 10 Input threshold TTL Channel input logic TTL Negative voltage handling at HS pin (V) -1 Features open-in-new Find other Half-bridge drivers

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 WSON (NGT) 8 16 mm² 4 x 4 open-in-new Find other Half-bridge drivers

Features

  • Drives Both a High Side and Low Side N-Channel MOSFET
  • High Peak Output Current (1.4-A Sink / 1.3-A Source)
  • Independent TTL Compatible Inputs
  • Integrated Bootstrap Diode
  • Bootstrap Supply Voltage to 118 V DC
  • Fast Propagation Times (27-ns Typical)
  • Drives 1000 pF Load With 15-ns Rise and Fall Times
  • Excellent Propagation Delay Matching (2-ns Typical)
  • Supply Rail Undervoltage Lockout
  • Low Power Consumption
  • Pin Compatible With ISL6700
  • Packages:
    • SOIC
    • WSON (4 mm × 4 mm)
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Description

The LM5107 is a low cost high voltage gate driver, designed to drive both the high side and the low side N-Channel MOSFETs in a synchronous buck or a half bridge configuration. The floating high-side driver is capable of working with rail voltages up to 100-V. The outputs are independently controlled with TTL compatible input thresholds. An integrated on chip high voltage diode is provided to charge the high side gate drive bootstrap capacitor. A robust level shifter technology operates at high speed while consuming low power and providing clean level transitions from the control input logic to the high side gate driver. Undervoltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC and the thermally enhanced WSON packages.

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LM5105 ACTIVE 1.8-A, 1.6-A 100-V half bridge gate driver with 8-V UVLO and programmable dead-time This product adds resistor-programmable deadtime and an enable pin with a different input structure.

Technical documentation

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Type Title Date
* Datasheet LM5107 100V / 1.4-A Peak Half Bridge Gate Driver datasheet (Rev. F) Sep. 22, 2016
Application notes External Gate Resistor Selection Guide (Rev. A) Feb. 28, 2020
Application notes Understanding Peak IOH and IOL Currents (Rev. A) Feb. 28, 2020
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) Oct. 29, 2018
Technical articles How to achieve higher system robustness in DC drives, part 3: minimum input pulse Sep. 19, 2018
Technical articles How to achieve higher system robustness in DC drives, part 2: interlock and deadtime May 30, 2018
Technical articles Boosting efficiency for your solar inverter designs May 24, 2018
Technical articles How to achieve higher system robustness in DC drives, part 1: negative voltage Apr. 17, 2018

Design & development

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Design tools & simulation

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PSPICE-FOR-TI — 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 (...)
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Reference designs

リファレンス・デザイン Download
High Voltage Stepper Driver Reference Design
TIDA-01227 — The TIDA-01227 reference design is a 15 V to 70 V stepper motor controller for bipolar applications. The design uses Texas Instrument’s DRV8711 Bipolar Stepper Motor Controller gate driver, CSD19538Q3A 100V, N-Channel NexFET Power MOSFET s, CSD17483F4 30V, N-Channel FemtoFET&trade (...)
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CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
WSON (NGT) 8 View options

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