STR-W6051S

AC DC Converters, Offline Switchers Overview

The STR-W6051S is an offline flyback switching power supply IC from the Sanken STR-W6000S series. It integrates a power MOSFET with a current mode PWM controller. The device operates within a switching frequency range of 60kHz to 74kHz and supports a supply voltage (Vcc/Vdd) between 8.1V and 32V. It features a startup voltage of 15.3V, a maximum duty cycle of 71%, and is designed for applications requiring up to 45W of power output. The component is housed in a TO-220F-6L package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a power MOSFET and current mode PWM controller into a single power IC
• Designed for reliable offline flyback switching power supply management
• Includes built-in fault protection mechanisms

AC DC Converters, Offline Switchers Applications

• Offline flyback power supplies
• AC/DC conversion systems
• General purpose switching power management

AC DC Converters, Offline Switchers Procurement Notes

Verify part status carefully as this specific model may be listed as obsolete in certain distributor catalogs. Confirm package integrity and pinout compatibility before integration. Ensure sourcing channels provide original manufacturer documentation to validate authenticity and performance specifications against official datasheets.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching capabilities without external discrete MOSFETs. Consider the fixed switching frequency range and current mode control architecture when designing transformer parameters. Evaluate thermal dissipation requirements given the TO-220F-6L packaging and potential power loads.

AC DC Converters, Offline Switchers Part Context

This unit belongs to the STR-W6000S series of power ICs developed by Sanken Electric. These components are engineered specifically for switching power supplies, combining robust power handling with precise pulse width modulation control to ensure stable operation across various AC/DC conversion topologies.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Sanken Electric documentation for direct cross-references or updated series replacements. Verify electrical parameter compatibility and pinout alignment if considering alternative manufacturers' flyback controllers.