STR-X6759B

AC DC Converters, Offline Switchers Overview

The STR-X6759B is a power integrated circuit from the STR-X6700 series, designed for quasi-resonant switching power supply applications. It integrates a high-voltage power MOSFET with a controller IC to optimize performance in switch-mode power supplies (SMPS). The device features a built-in MOSFET rated at a minimum breakdown voltage of 650V and a maximum on-resistance of 0.385Ω. This integration allows for compact designs while maintaining high efficiency and low electromagnetic interference through quasi-resonant operation modes.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a power MOSFET and controller IC for quasi-resonant type switching power supplies
• Utilizes current mode control for stable regulation
• Employs bottom-skip quasi-resonant operation during light output loads to reduce EMI noise

AC DC Converters, Offline Switchers Applications

• Switching power supplies for LCD-TVs
• Switching power supplies for PDP-TVs
• Switching power supplies for CRT-TVs
• Digital consumer equipment power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., B, F, N) against the manufacturer's official datasheet to ensure correct pinout and electrical characteristics. Confirm that the required package type matches the physical footprint available from authorized distributors. Cross-reference the part number with Sanken Electric USA Inc. documentation to validate authenticity and avoid counterfeit components.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high efficiency and reduced electromagnetic interference in consumer electronics. The integrated MOSFET simplifies design by eliminating external switching transistors. Ensure the input voltage range and load requirements align with the 650V rating and current capabilities specified in the official technical data before finalizing the design.

AC DC Converters, Offline Switchers Part Context

The STR-X6759B belongs to the STR-X6700 series of power ICs manufactured by Sanken Electric. These devices are specifically engineered for SMPS applications where size reduction and noise suppression are critical. The series combines robust power handling with advanced control logic to meet stringent energy efficiency standards in modern digital consumer hardware.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the STR-X6700 series, such as the STR-X6759F or STR-X6759N, ensuring pin compatibility and matching electrical ratings. Verify that any alternative maintains the same quasi-resonant control architecture and MOSFET specifications to preserve system performance.