LB11988D-E

Overview

The LB11988D-E is a three-phase fan motor driver IC designed for driving DC fan motors. It operates with a load voltage range of 5V to 22V and supports an operating temperature range of -30°C to 75°C (TA). The component is housed in a 20-DIP package with dimensions of 0.500 inches (12.70mm) featuring an exposed pad, suitable for through-hole mounting.

Feature Summary

• Provides three-phase full-wave current linear drive functionality
• Capable of directly driving ignition IGBTs
• Regulates power in smart power distribution architectures
• Serves as a replacement for mechanical fuses

Applications

• DC fan motor control systems
• Smart power distribution architectures
• Ignition IGBT drive circuits

Procurement Notes

Verify the specific suffix 'D-E' against official onsemi documentation to confirm pinout and thermal characteristics. Ensure the 20-DIP package matches the target PCB footprint. Confirm that the 5V-22V voltage range aligns with the system's power supply specifications before procurement.

Selection Notes

Select this component when a robust solution for three-phase DC fan motor control is required. It is suitable for applications needing direct IGBT driving capabilities and fuse replacement functionality. Verify that the through-hole mounting type and 20-pin DIP package are compatible with the assembly process.

Part Context

This device belongs to the LB11988 series from onsemi, which focuses on intelligent power and sensing technologies. The series is engineered for mission-critical power systems, offering robust reliability and scalable performance for industrial and automotive applications requiring precise motor control.

Replacement Considerations

The LB11988HR is a related variant within the same family. Verify compatibility regarding package type and specific electrical ratings if substituting between these models.