LM5114AMFX/S7003103

Overview

The LM5114AMFX/S7003103 is a single low-side MOSFET gate driver manufactured by Texas Instruments. It operates within a supply voltage range of 4 V to 12.6 V and delivers a peak output current of 7.6 A. The device features controllable rise and fall times, with typical values of 3.2 ns for rising and 8 ns for falling edges. It supports TTL logic input levels and functions reliably across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-6 surface-mount format, this component is designed for efficient switching control in power management applications.

Feature Summary

• Provides high peak source and sink current capability for rapid MOSFET switching
• Features externally controllable rise and fall times to minimize electromagnetic interference
• Supports direct interface with standard TTL logic input signals
• Operates reliably across an extended industrial temperature range

Applications

• Low-side switching control in DC-DC converter topologies
• Gate drive circuits for synchronous rectification stages
• Power management modules requiring precise switching timing control
• Industrial motor drive systems utilizing low-side MOSFETs

Procurement Notes

Verify the specific suffix /S7003103 against official Texas Instruments documentation to confirm exact reel specifications and tape-and-reel dimensions. Ensure compatibility with existing PCB footprints for the SOT-23-6 package. Confirm that the operating voltage and temperature ranges align with the target application requirements before finalizing procurement orders.

Selection Notes

Select this component when a single-channel low-side driver with high peak current is required. The controllable transition times allow optimization for noise reduction versus switching speed trade-offs. Verify that the input logic voltage levels match the controlling microcontroller or PWM signal source. Consider thermal dissipation capabilities within the small SOT-23-6 package for high-frequency operation scenarios.

Part Context

This part belongs to the LM5114 series of single low-side gate drivers from Texas Instruments. The series offers variations in packaging and suffixes, such as AMF/NOPB or BMF variants, sharing core electrical characteristics. The LM5114 family is designed for robust performance in power conversion applications, providing a balance of drive strength and timing controllability within a minimal footprint.

Replacement Considerations

Direct substitutes include LM5114AMF/NOPB and LM5114BMF/NOPB, which share identical pinouts and electrical specifications. Verify that alternative suffixes do not introduce functional differences unless explicitly documented by the manufacturer. Ensure that any replacement maintains the same SOT-23-6 package dimensions for board compatibility.