LM3311SQ-HIOP/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3311SQ-HIOP/NOPB is a synchronous boost switching regulator from Texas Instruments, housed in a 24-pin WQFN EP package. It features an adjustable output voltage up to 20V and supports a high input voltage range of 2.5V to 7V. The device operates with switching frequencies of 660kHz or 1.28MHz and has a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectifier architecture for improved efficiency
• Adjustable output voltage capability up to 20V
• Wide input voltage range supporting 2.5V to 7V sources

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring step-up conversion
• Systems needing regulated higher voltage from lower input sources
• Industrial control modules with variable input supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors. Confirm the HIOP suffix indicates specific thermal or pin-out variations if required by design. Check current availability status as this part may be obsolete or subject to lifecycle changes. Ensure ESD handling protocols are followed during assembly due to the exposed pad thermal enhancement package.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous boost solution is needed for inputs between 2.5V and 7V. Consider the 24-pin WQFN EP package for thermal management requirements. Evaluate the 660kHz or 1.28MHz frequency options against external inductor size constraints. Verify that the 2A output current capability meets the load demands of the target application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3311 family of DC-DC converters. It serves as a power management IC designed for efficient voltage boosting in space-constrained applications. The HIOP variant typically denotes enhanced thermal performance or specific packaging optimizations compared to standard versions within the same functional family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM3310SQ/NOPB is listed as a parametric equivalent substitute. Verify compatibility regarding pinout, thermal characteristics, and electrical specifications before replacement. Ensure the alternative meets all original design constraints for input/output ranges and switching frequencies.