LM5045SQX/NOPB

AC DC Converters, Offline Switchers Overview

The LM5045SQX/NOPB is a switching controller from Texas Instruments supporting full-bridge, half-bridge, and push-pull topologies. It features a switch frequency range of 100 kHz to 2 MHz with a maximum duty cycle of 50%. The device provides one output with an output current capability of 2 A and an output voltage range of 400 mV to 1.25 V. It operates within a supply voltage range of 14 V to 100 V and consumes 4.6 mA of operating supply current. The component is housed in a WQFN-28 package and functions reliably between -40°C and +125°C.

AC DC Converters, Offline Switchers Feature Summary

• Supports multiple power converter topologies including full-bridge, half-bridge, and push-pull configurations.
• Features integrated high-side driver capabilities for efficient power stage control.
• Operates over a wide input voltage range suitable for various industrial applications.

AC DC Converters, Offline Switchers Applications

• Industrial power supplies
• Telecommunications equipment
• Server and data center power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'SQX' indicates the tape and reel packaging variant distinct from other package options. Confirm RoHS compliance status through official documentation. Ensure the ordering part number matches the required temperature grade and package type for your design specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing converters requiring flexible topology support and wide input voltage operation. Consider the 2 A output drive capability for gate driving requirements. Evaluate the thermal performance within the WQFN-28 package against your system's heat dissipation constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LM5045 series of switching controllers designed for versatile power conversion needs. It complements other Texas Instruments PMIC solutions by offering robust control features for high-efficiency designs. The series supports various industrial and commercial power management applications.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct pin-compatible alternatives within the same family or broader TI portfolio if availability is constrained. Verify electrical parameter compatibility before substituting with similar switching controllers.