STR2W153D

AC DC Converters, Offline Switchers Overview

The STR2W153D is a current mode control PWM regulator IC designed for switching power supplies. It features an integrated high-voltage switch rated at 650V breakdown voltage and supports flyback topology. The device operates with a supply voltage range of 8.1V to 32V and includes built-in fault protection mechanisms such as overcurrent, overload, overtemperature, and overvoltage protection. Key electrical parameters include a start-up voltage of 15.3V, a maximum duty cycle of 74%, and a switching frequency range of 60kHz to 74kHz.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage internal switch for compact offline converter designs
• Provides comprehensive fault protection including overcurrent, overload, and thermal shutdown
• Utilizes current mode control for stable regulation in flyback applications

AC DC Converters, Offline Switchers Applications

• Offline AC/DC converters
• Switching power supplies
• Flyback topology power adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix and package variant against the official Sanken Electric datasheet to ensure compatibility with your design requirements. Confirm that the component status aligns with your production timeline, as availability may vary. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Ensure that the thermal management strategy accounts for the TO-220F-6L package characteristics during operation.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a simple, cost-effective solution for low-to-medium power offline conversion. The integrated switch simplifies the bill of materials by eliminating external MOSFETs. Consider the 60kHz to 74kHz switching frequency range when designing transformer and filter components. Ensure the input voltage profile stays within the specified operating limits to maintain reliable performance and protection functionality.

AC DC Converters, Offline Switchers Part Context

The STR2W153D belongs to the STR2W series of current mode control PWM regulators manufactured by Sanken Electric. This series is specifically engineered for use in switching power supplies where efficiency and reliability are critical. The device represents a consolidated solution for offline power conversion, combining control logic and power switching into a single package to reduce board space and assembly complexity.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Sanken Electric documentation for confirmed substitute part numbers. Verify pinout compatibility and electrical specifications before substituting any alternative components.