MP150GJ-P

AC DC Converters, Offline Switchers Overview

The MP150GJ-P is an offline primary-side regulator from Monolithic Power Systems, housed in a TSOT-23-5 package. It supports Buck, Buck-Boost, Boost, and Flyback topologies for non-isolated AC-DC conversion. The device integrates a 500V MOSFET with a 30Ω on-resistance. It delivers up to 2W output power, with maximum DC CCM output current of 200mA and DCM output current of 120mA. The Vcc supply voltage range is 5.3V to 5.6V. Operating junction temperature spans -40°C to 125°C.

AC DC Converters, Offline Switchers Feature Summary

• Enables precise constant-voltage regulation without optocouplers via primary-side control.
• Integrates a high-voltage 500V MOSFET to simplify circuit design and reduce component count.
• Features frequency folding and peak current regulation to maintain high efficiency under light loads.

AC DC Converters, Offline Switchers Applications

• Low-power household appliances
• Standby power supplies
• Offline converters requiring compact form factors

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'P' corresponds to the required tape-and-reel packaging configuration during procurement. Confirm that the TSOT-23-5 package dimensions align with the target PCB footprint. Ensure the 500V breakdown rating meets the isolation requirements of the specific application topology. Cross-reference the manufacturer's latest datasheet for any updates to environmental compliance or pinout definitions before finalizing the bill of materials.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated high-voltage switching in a minimal footprint. The internal 500V MOSFET eliminates the need for external discrete switches. Consider the 2W power limit when designing for higher load currents. The support for multiple topologies offers flexibility in transformer design. Evaluate the thermal performance within the specified -40°C to 125°C operating range to ensure reliability under varying ambient conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MP150 series of primary-side regulated AC-DC converters. The series is designed for cost-effective, low-power offline applications. The TSOT-23-5 package variant provides a small surface-mount solution compared to larger DIP or SOIC options. It shares core functionality with other MP150 variants but differs in packaging and specific ordering suffixes.

AC DC Converters, Offline Switchers Replacement Considerations

MP150GJ-Z is a direct substitute within the same series. Verify package compatibility and electrical specifications match the original design requirements before substitution.