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LM5109AMAX
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：8V ~ 14V
- Logic Voltage - VIL, VIH：0.8V, 2.2V
- Current - Peak Output (Source, Sink)：1A, 1A
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：15ns, 15ns
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：108 V
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Overview
The LM5109AMAX is a high-voltage half-bridge gate driver manufactured by Texas Instruments. It provides independent high-side and low-side outputs with a peak output current of 1A. The device operates within a supply voltage range of 8V to 14V and supports input logic compatible with TTL standards. It features fast switching characteristics, including rise and fall times of 15ns, and propagation delays up to 29ns. The component is housed in an SOIC-8 package and functions reliably across an operating temperature range from -40°C to +125°C.
Feature Summary
- Provides independent high-side and low-side gate drive outputs for half-bridge configurations
- Supports high-voltage operation suitable for driving power MOSFETs
- Features fast switching speeds with short rise and fall times
Applications
- High-frequency DC-DC converter topologies
- Half-bridge power stage drivers
- Industrial motor control systems
Procurement Notes
Verify the specific suffix 'AMAX' against the official Texas Instruments datasheet to confirm pinout and electrical specifications match your design requirements. Ensure the component source is authorized to guarantee authenticity and traceability. Check for RoHS compliance status as indicated in the product documentation before finalizing procurement.
Selection Notes
Select this driver when a robust solution for high-voltage half-bridge applications is required. Consider its 1A peak current capability and wide operating temperature range. Evaluate compatibility with your system's logic voltage levels and switching frequency requirements against the specified delay parameters.
Part Context
This component belongs to the LM5109 family of high-voltage gate drivers from Texas Instruments. It is designed to replace older National Semiconductor parts in similar high-voltage applications. The device integrates protection features typical of this series, ensuring reliable performance in demanding power electronics environments.
Replacement Considerations
The LM5109BMAX/NOPB is a documented variant within the same family. Verify if the 'B' suffix indicates necessary electrical or packaging differences for your specific application needs.
