MIC3808BMM

AC DC Converters, Offline Switchers Overview

The MIC3808BMM is a complementary output push-pull PWM control IC manufactured by Microchip Technology. It operates within a supply voltage range of 8.3V to 15V and supports switching frequencies up to 1MHz. The device utilizes current-mode control with frequency control capabilities and features a maximum duty cycle of 49%. Designed for isolated step-down DC/DC conversion, it offers overcurrent protection and functions reliably across an operating temperature range of -40°C to +85°C.

AC DC Converters, Offline Switchers Feature Summary

• Complementary push-pull architecture enables efficient transformer utilization and reduced ripple stress
• Current-mode control with frequency regulation for stable operation
• Integrated overcurrent protection ensures circuit safety

AC DC Converters, Offline Switchers Applications

• Telecom level isolated step-down DC/DC conversion
• High-efficiency power supply designs requiring small form factors
• Applications demanding high output current with minimal size

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix BMM indicates the MSOP-8 package variant when sourcing. Confirm RoHS compliance status as historical data may vary. Ensure the design accounts for the 49% maximum duty cycle limitation in the final topology selection. Cross-reference the manufacturer's latest datasheet for any pinout or electrical parameter updates prior to implementation.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a dual-ended push-pull topology to maximize transformer efficiency compared to single-ended alternatives. The current-mode control provides superior line regulation and transient response. Consider the MSOP-8 package constraints for thermal management and PCB space limitations in compact designs.

AC DC Converters, Offline Switchers Part Context

Part of the MIC3808/3809 family of push-pull PWM controllers designed for telecom and industrial isolated power supplies. These devices address the need for high efficiency and compact size in DC/DC conversion systems where input voltages are typically between 36V and 75V.

AC DC Converters, Offline Switchers Replacement Considerations

Check for MIC3808YM or MIC3808BM as potential functional equivalents within the same family, ensuring package compatibility and electrical specifications match the design requirements.