STR-A6079M

AC DC Converters, Offline Switchers Overview

The STR-A6079M is an off-line PWM controller with an integrated power MOSFET from the STR-A6000 series. It utilizes a current-mode control topology and operates at a switching frequency of 67kHz. The device features an auto-standby function that enables burst oscillation to minimize standby power consumption, achieving input power below 25mW at no load. It includes a built-in startup circuit for low-power operation and incorporates a random switching function to reduce electromagnetic interference (EMI) noise.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a power MOSFET and current-mode PWM controller in a single package
• Features auto-standby capability with burst oscillation for ultra-low no-load power consumption
• Includes built-in random switching function to suppress EMI noise and simplify filter design
• Contains a built-in startup circuit enabling efficient low-power initialization

AC DC Converters, Offline Switchers Applications

• Offline flyback switching power supplies
• Consumer electronics power adapters
• Low standby power AC-DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific manufacturer documentation for the STR-A6079M to confirm pinout compatibility and thermal requirements. Ensure the selected component matches the required voltage ratings and current handling capabilities for the target offline application. Cross-reference official datasheets to validate the presence of the integrated MOSFET and specific protection features before integration into the design.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high integration and reduced external component count. The integrated MOSFET simplifies layout and reduces bill of materials cost. Consider the 67kHz frequency and EMI reduction features when designing filters for compliance. Verify that the current-mode control architecture aligns with the stability requirements of the intended transformer design.

AC DC Converters, Offline Switchers Part Context

The STR-A6079M belongs to the STR-A6000 series of power ICs designed for switching power supplies. This series combines a power MOSFET with a current-mode PWM control IC to provide a compact solution for offline applications. The family is characterized by high reliability and integrated protection features suitable for mass-produced consumer and industrial equipment.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Sanken Electric substitution guides for verified equivalents within the STR-A6000 series. Ensure any substitute maintains the same pin configuration, voltage ratings, and integrated MOSFET specifications to guarantee functional compatibility without redesigning the PCB layout.