LM5158RTER

Voltage Regulators - DC DC Switching Regulators Overview

The LM5158RTER is a switching voltage regulator manufactured by Texas Instruments, housed in a WQFN-16 surface-mount package. It supports Boost, Flyback, and SEPIC topologies with a single adjustable output reaching up to 83 V. The device operates within an input voltage range of 1.5 V to 60 V and features a switchable frequency between 115 kHz and 2.2 MHz. It includes integrated protection mechanisms such as overvoltage protection, thermal shutdown, and line UVLO, functioning reliably across temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports multiple power conversion topologies including boost, flyback, and SEPIC configurations.
• Enables dynamic programming of switching frequency to optimize efficiency and minimize electromagnetic interference.
• Integrates comprehensive protection features including overvoltage protection, thermal shutdown, and undervoltage lockout.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring wide input voltage ranges
• Industrial power supply designs utilizing flyback or SEPIC architectures
• Applications necessitating high-voltage step-up conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the component meets all required environmental standards and temperature ratings for the intended operational environment before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring flexible topology support for high-voltage outputs. Ensure the external inductor selection aligns with the precise peak current limit characteristics to prevent design oversizing. Verify that the bias pin voltage requirements are met for low-input voltage operation scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5158 family of wide input voltage boost/SEPIC/flyback converters. It is designed for applications demanding robust performance across varying load conditions and input voltages, offering a compact solution size due to high-frequency operation capabilities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official datasheet for qualified alternative part numbers within the same product family. Ensure any substitute maintains identical pinout compatibility and electrical specifications to guarantee seamless integration without circuit redesign.