STR-Y6753

AC DC Converters, Offline Switchers Overview

The STR-Y6753 is an AC/DC PWM converter manufactured by Sanken Electric USA Inc. It utilizes a flyback topology and features an internal switch rated for a breakdown voltage of 650 V. The device operates within a supply voltage range of 9.4 V to 35 V, with a startup voltage of 15.1 V. Its switching frequency ranges from 18.4 kHz to 24.4 kHz. The component supports fault protections including current limiting, overload, overtemperature, and overvoltage protection. It is housed in a TO-220F-7 package and functions within a temperature range of -20°C to 115°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates an internal power MOSFET with high-voltage avalanche rating
• Supports quasi-resonant operation for improved efficiency across load ranges
• Includes comprehensive built-in protection mechanisms against electrical faults

AC DC Converters, Offline Switchers Applications

• Offline quasi-resonant flyback switching power supplies
• High-efficiency power supply systems requiring low noise
• Consumer electronics power adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix and package variant when ordering, as manufacturing revisions may exist. Confirm availability status directly with authorized distributors or the manufacturer, as lead times and stock levels fluctuate. Ensure the procurement channel provides valid traceability documentation for quality assurance purposes prior to finalizing any acquisition.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated primary-side control and switching capabilities. Evaluate thermal management requirements given the operating temperature limits and power dissipation characteristics. Ensure input voltage conditions align with the specified startup and operating voltage ranges to guarantee stable performance during system initialization and continuous operation.

AC DC Converters, Offline Switchers Part Context

This part belongs to the STR-Y6700 series of power ICs designed for quasi-resonant type switching power supplies. The series focuses on achieving high efficiency and low noise across the full load range through multi-mode control strategies. These components integrate both controller logic and power MOSFETs to simplify circuit design and enhance reliability in offline applications.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.