MC33025DW

AC DC Converters, Offline Switchers Overview

The MC33025DW is a high-speed double-ended pulse width modulation controller manufactured by onsemi. It operates within a supply voltage range of 8.8 V to 30 V and supports switching frequencies up to 1 MHz. The device features a 16-pin SOIC package with an operating temperature range from -40°C to 70°C. It includes integrated current limit protection, under-voltage lockout, and a dedicated clock output for synchronization.

AC DC Converters, Offline Switchers Feature Summary

• Double-ended PWM architecture supporting push-pull, half-bridge, and full-bridge topologies
• Integrated current limit comparator for cycle-by-cycle peak current mode control
• High-speed operation with internal oscillator capable of reaching 1 MHz
• Built-in under-voltage lockout circuitry to ensure stable startup and shutdown

AC DC Converters, Offline Switchers Applications

• High-frequency DC-DC converters
• Flyback power supplies
• Forward converter designs
• Half-bridge and full-bridge resonant converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS standards if required by your manufacturing process. Cross-reference the manufacturer's latest revision history to account for any potential updates in functional descriptions or recommended operating conditions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring precise current-mode control and high switching speeds. It is suitable for designs needing robust protection features such as under-voltage lockout and current limiting. Consider thermal management requirements given the SOIC-16 package constraints and the specified maximum junction temperature limits during continuous operation.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MC33025 family of high-speed PWM controllers designed for versatile power conversion applications. It serves as a core control element in various isolated and non-isolated power supply architectures. The device is engineered to provide reliable performance in demanding industrial and commercial environments.

AC DC Converters, Offline Switchers Replacement Considerations

The MC34025 is a direct replacement variant within the same product family. Other compatible alternatives include the UC3823 and UC3824 series from Texas Instruments, which offer similar double-ended PWM functionality and pin configurations.