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MIC38HC42YN is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC OFFLINE SWITCH MULT TOP 8DIP. Review the specifications below when checking this part for your BOM.
The MIC38HC42YN is a monolithic switching mode power supply (SMPS) controller manufactured by Microchip Technology. It supports boost, buck, flyback, and forward converter topologies with synchronous rectification capability. The device operates within a supply voltage range of 7.6V to 20V and features a maximum duty cycle of 50%. It is housed in an 8-pin PDIP package designed for through-hole mounting.
Verify the specific suffix 'YN' corresponds to the 8-pin PDIP through-hole package variant. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure design compatibility with the specified 7.6V to 20V Vcc operating range before procurement.
Select this component when a monolithic solution supporting both primary side control and synchronous secondary rectification is required. It is suitable for designs utilizing boost, buck, flyback, or forward topologies. Verify that the 50% maximum duty cycle constraint aligns with the target transformer turns ratio or inductor requirements.
This part belongs to the MIC38HC4x family of high-current SMPS controllers from Microchip Technology. These devices are designed to simplify the implementation of efficient power conversion stages by integrating necessary control logic and drive signals into a single monolithic IC.
Publicly confirmed substitute part numbers for MIC38HC42YN are not available in the provided source material.
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