LM5110-1SD/NOPB

Overview

The LM5110-1SD/NOPB is a dual low-side gate driver manufactured by Texas Instruments. It features two independent outputs capable of delivering 5A peak current. The device operates within a supply voltage range of 3.5V to 14V and supports non-inverting logic inputs. It utilizes a 10-pin WSON package with an exposed pad for thermal management. The component ensures fast switching performance with typical rise and fall times of 14ns and 12ns, respectively. It functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Dual-channel architecture providing independent low-side drive capability
• High output current capacity supporting demanding load requirements
• Integrated negative voltage generation for enhanced noise immunity
• Robust thermal design utilizing exposed pad packaging

Applications

• Synchronous buck converter topologies
• Point-of-load power supply stages
• DC-DC controller output buffering
• General-purpose low-side MOSFET driving

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with system requirements. Confirm that the package marking and pinout align with the intended PCB footprint. Check for any recent lifecycle status updates or obsolescence notices from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when dual independent low-side driving is required with moderate current capabilities. Consider the 10-pin WSON form factor for space-constrained designs requiring efficient heat dissipation. Evaluate the input logic thresholds to ensure compatibility with the controlling microcontroller or PWM signal source.

Part Context

This part belongs to the LM5110 family of compound gate drivers designed for high-efficiency power conversion. It serves as a critical interface between low-voltage control logic and power switches. The device simplifies layout by integrating necessary drive circuitry into a compact surface-mount package suitable for modern electronics manufacturing.

Replacement Considerations

LM5110-1SDX/NOPB

FAQ

Does the LM5110-1SD/NOPB support high-side driving?

No, it is specifically designed as a low-side gate driver.

What is the maximum operating supply voltage?

The maximum supply voltage is 14V.