IW1706-03

AC DC Converters, Offline Switchers Overview

The iW1706-03 is a digital off-line PWM controller designed for AC/DC power supplies with a maximum output power of 45W. It utilizes PrimAccurate™ primary-side regulation to eliminate the need for optocouplers, thereby reducing component count and cost. The device features configurable light-load operation modes optimized for 9V+ applications, ensuring compliance with DoE VI and EU CoC standards. Integrated SmartDefender™ technology provides advanced hiccup protection against soft shorts in cables and connectors.

AC DC Converters, Offline Switchers Feature Summary

• PrimAccurate™ primary-side regulation eliminates optocoupler requirements
• Configurable light-load mode optimizes no-load power consumption
• SmartDefender™ hiccup protection prevents cable soft shorts
• Optimized for 9V+ output voltage applications

AC DC Converters, Offline Switchers Applications

• AC/DC power adapters
• Chargers
• Home appliances control systems

AC DC Converters, Offline Switchers Procurement Notes

Verify current availability status as supply may be limited or subject to factory special orders. Confirm RoHS compliance details and specific packaging options such as tape and reel quantities before finalizing procurement plans. Ensure compatibility with existing design specifications regarding thermal management and electrical parameters.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high efficiency and low no-load power consumption without secondary-side feedback components. It is suitable for applications needing robust protection against connector faults and optimized performance for 9V+ outputs. Consider pairing with digital synchronous rectifiers for enhanced efficiency in high-power-density solutions.

AC DC Converters, Offline Switchers Part Context

This part belongs to Renesas' digital power management portfolio, leveraging proprietary PrimAccurate™ technology. It represents an evolution in offline controllers aimed at simplifying designs while meeting stringent global energy efficiency regulations. The integration of digital control allows for flexible configuration of operational modes to suit specific application requirements.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other iW1702 series variants if pinout and feature compatibility are required.