LM2577SX-15/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2577SX-15/NOPB is a SIMPLE SWITCHER step-up voltage regulator manufactured by Texas Instruments. It operates with an input voltage range up to 40V and provides a fixed output of 15V. The device supports a maximum output current of 3A and features a switching frequency between 52kHz and 62kHz. Packaged in a TO-263 (DPAK) surface-mount case, it functions as a boost or flyback converter. The component is rated for operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic controller simplifies design by requiring only external components
• Fixed 15V output option eliminates the need for feedback resistors
• Internal compensation ensures stability across varying load conditions
• Built-in thermal shutdown protects against overheating during fault conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring voltage boosting
• Industrial control power supplies
• Automotive electronics applications
• General-purpose DC-DC conversion circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the ordering suffix matches the exact package type and temperature rating required for your specific application environment. Confirm RoHS compliance status through official manufacturer documentation prior to finalizing procurement orders. Ensure the supplier source is authorized to guarantee component authenticity and traceability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 15V output is required from an input voltage lower than the target level. Consider the 3A current capability and TO-263 thermal performance for your power dissipation needs. Evaluate the 40V maximum input limit to ensure compatibility with your system's supply rails.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2577 series of SIMPLE SWITCHER regulators, designed for high-efficiency step-up topologies. It serves as a robust solution for converting lower battery voltages to higher stable levels. The series is widely recognized for its ease of use and reliability in various commercial and industrial power management scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2577S-15/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LM2577SX-15/NOPB?

The device supports a maximum input voltage of 40V.

Does the LM2577SX-15/NOPB require external feedback resistors?

No, the fixed 15V version does not require external feedback resistors as the output voltage is internally set.