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LM5109ASDX Datasheet(PDF) 1 Page - Texas Instruments |
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LM5109ASDX Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page DRIVER DRIVER LEVEL SHIFT UVLO UVLO HI VDD LI VSS HB HO HS LO HV VDD Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM5109A SNVS412B – APRIL 2006 – REVISED MARCH 2016 LM5109A High Voltage 1A Peak Half Bridge Gate Driver 1 1 Features 1 • Drives Both a High-Side and Low-Side N-Channel MOSFET • 1A peak Output Current (1.0A Sink / 1.0A Source) • Independent TTL Compatible Inputs • Bootstrap Supply Voltage to 108V DC • Fast Propagation Times (30 ns Typical) • Drives 1000 pF Load with 15ns Rise and Fall Times • Excellent Propagation Delay Matching (2 ns Typical) • Supply Rail Under-Voltage Lockout • Low Power Consumption • Pin Compatible with ISL6700 • Packages: – SOIC – WSON-8 (4 mm x 4 mm) 2 Applications • Current Fed Push-Pull Converters • Half and Full Bridge Power Converters • Solid State Motor Drives • Two Switch Forward Power Converters 3 Description The LM5109A is a cost effective, 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 90V. The outputs are independently controlled with TTL compatible input thresholds. The robust level shift 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. Under-voltage 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. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM5109A SOIC (8) 4.90 mm × 3.91 mm WSON (8) 4.00 mm × 4.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Block Diagram |
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