IW1820-30

AC DC Converters, Offline Switchers Overview

The iW1820-30 is a switch controller from the AccuSwitch family, designed for 5V applications with a maximum output power of 15 W. It utilizes a quasi-resonant PWM control scheme and integrates a power BJT. The device operates in a flyback topology with a switching frequency of 72 kHz and supports an output voltage up to 19 V. It functions within a temperature range of -40 °C to +150 °C and draws a working supply current of 25 mA. The component is housed in a non-isolated SOIC-10 package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a power BJT to reduce external component count
• Employs quasi-resonant PWM control for efficiency optimization
• Includes shutdown functionality for power management

AC DC Converters, Offline Switchers Applications

• 5V power supply designs
• Flyback converter systems
• General purpose switching controllers

AC DC Converters, Offline Switchers Procurement Notes

Verify availability status as this part may be subject to limited supply or factory special orders. Confirm RoHS compliance details through official documentation before integration. Ensure the SOIC-10 package dimensions align with PCB layout requirements. Check for obsolescence notices from Renesas Electronics Corporation prior to finalizing design-in decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this controller for applications requiring integrated power switching in compact footprints. The fixed 72 kHz frequency suits standard EMI filtering strategies. Verify that the 15 W power limit meets system demands. Consider the operating temperature range for thermal management in enclosed environments. Ensure input voltage constraints are compatible with the specified output capabilities.

AC DC Converters, Offline Switchers Part Context

Part of the iW1820 AccuSwitch series by Renesas Electronics Corporation. This series focuses on efficient power management solutions for low-power applications. The iW1820-30 specifically targets 5V systems, leveraging integrated components to simplify design complexity compared to discrete solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Consult Renesas official cross-reference lists for verified substitutes. No public substitute part numbers are confirmed in available data.