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LM5107

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1.4-A, 100-V half bridge gate driver with 8-V UVLO

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Data sheet

LM5107

ACTIVE
Data sheet Order now

Product details

Bootstrap supply voltage (max) (V) 100 Power switch MOSFET Input supply voltage (min) (V) 8 Input supply voltage (max) (V) 14 Peak output current (A) 1.4 Operating temperature range (°C) -40 to 125 Undervoltage lockout (typ) (V) 8 Rating Catalog Propagation delay time (µs) 0.025 Rise time (ns) 15 Fall time (ns) 15 Iq (mA) 0.01 Input threshold TTL Channel input logic TTL Switch node voltage (V) -1 Driver configuration Dual, Independent
Bootstrap supply voltage (max) (V) 100 Power switch MOSFET Input supply voltage (min) (V) 8 Input supply voltage (max) (V) 14 Peak output current (A) 1.4 Operating temperature range (°C) -40 to 125 Undervoltage lockout (typ) (V) 8 Rating Catalog Propagation delay time (µs) 0.025 Rise time (ns) 15 Fall time (ns) 15 Iq (mA) 0.01 Input threshold TTL Channel input logic TTL Switch node voltage (V) -1 Driver configuration Dual, Independent
SOIC (D) 8 29.4 mm² 4.9 x 6 WSON (NGT) 8 16 mm² 4 x 4
  • 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)
  • 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)

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.

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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Type Title Date
* Data sheet LM5107 100V / 1.4-A Peak Half Bridge Gate Driver datasheet (Rev. F) PDF | HTML 22 Sep 2016
Application brief External Gate Resistor Selection Guide (Rev. A) 28 Feb 2020
Application brief Understanding Peak IOH and IOL Currents (Rev. A) 28 Feb 2020
More literature Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 29 Oct 2018

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Products
Half-bridge drivers
LM25101 — 3-A, 2-A or 1-A half bridge gate driver with 8-V UVLO and TTL inputs LM5100A — 3-A, 100-V half bridge gate driver with 8-V UVLO and CMOS inputs LM5100B — 2-A, 100-V half bridge gate driver with 8-V UVLO and CMOS inputs LM5100C — 1-A, 100-V half bridge gate driver with 8-V UVLO and CMOS Imputs LM5101 — High voltage high side and low side gate driver LM5101A — 3-A, 100-V half bridge gate driver with 8-V UVLO and TTL inputs LM5101B — 2-A, 100-V half bridge gate driver with 8-V UVLO and TTL inputs LM5101C — 1-A, 100-V half bridge gate driver with 8-V UVLO and TTL Imputs LM5102 — 2-A, 100-V half bridge gate driver with 8-V UVLO and programmable delay LM5104 — 2-A, 100-V half bridge gate driver with 8-V UVLO and adaptive delay LM5106 — 1.2-A, 1.8-A 100-V half bridge gate driver with 8V-UVLO and programmable dead-time LM5107 — 1.4-A, 100-V half bridge gate driver with 8-V UVLO LM5108 — 2.6-A, 110-V half bridge gate driver with enable and interlock LM5109A — 1-A, 100-V half bridge gate driver with 8-V UVLO LM5109B — 1-A, 100-V half bridge gate driver with 8-V UVLO and high noise immunity
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TIDA-01227 — High Voltage Stepper Driver Reference Design

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™ (...)
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SOIC (D) 8 Ultra Librarian
WSON (NGT) 8 Ultra Librarian
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