STR-A6061HD

AC DC Converters, Offline Switchers Overview

The STR-A6061HD is an AC-DC switching power supply IC from the STR-A6000 series, manufactured by Sanken Electric. It integrates a high-voltage power MOSFET with a current-mode PWM controller in a single DIP-8 package. The device supports universal AC input voltages ranging from 85 to 265 VAC and operates at a switching frequency of 100 kHz. Designed for off-line applications, it delivers up to 35 W of output power with a maximum duty cycle of 83%. The component functions within a temperature range of -20°C to 125°C and complies with RoHS standards.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a power MOSFET and current-mode PWM controller for simplified circuit design
• Features automatic standby mode that switches between PWM operation and burst oscillation under light loads
• Includes brown-in and brown-out protection functions for enhanced reliability
• Incorporates random switching and slope compensation to reduce electromagnetic interference

AC DC Converters, Offline Switchers Applications

• Offline flyback topology power supplies
• General-purpose AC to DC conversion systems
• Switching power adapters requiring low standby power consumption

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'HD' against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the source document explicitly identifies the part as an integrated MOSFET controller. Cross-reference the package type and voltage ratings with the intended application requirements before procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring an integrated solution for offline power conversion. It is suitable for applications needing current-mode control and low no-load power consumption. Consider the DIP-8 package constraints and thermal management capabilities when designing the PCB layout for optimal performance.

AC DC Converters, Offline Switchers Part Context

This part belongs to the STR-A6000 series of power ICs designed for switching power supplies. The series combines a MOSFET and a current-mode PWM controller to achieve high cost-performance ratios with minimal external components. The STR-A6061HD specifically targets efficient AC-DC conversion with built-in protection features.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the official Sanken Electric documentation for confirmed substitute part numbers within the STR-A6000 series or equivalent offerings from other manufacturers. Verify functional equivalence regarding integration level and control topology.

AC DC Converters, Offline Switchers FAQ

How does the STR-A6061HD manage power consumption during light load conditions?

It automatically switches between standard PWM operation and burst oscillation mode to minimize no-load power consumption.

What type of control mechanism does the STR-A6061HD utilize?

The device employs a current-mode PWM control mechanism for precise regulation.