MP103GN-Z

AC DC Converters, Offline Switchers Overview

The MP103GN-Z is a high-voltage smart linear regulator designed for offline, inductor-less applications. It operates from an AC input range of 85 V to 305 V and delivers a maximum output power of 800 mW. The device features a reference voltage of 1.235 V with an adjustable output voltage range spanning from 1.5 V to 15 V. It supports a breakdown voltage of 700 V and utilizes an SOICW-24 package.

AC DC Converters, Offline Switchers Feature Summary

• Functions as a high-power offline controller utilizing an external BJT for regulation
• Provides inductor-less topology suitable for low-power isolated applications
• Supports wide AC input voltage ranges for universal line compatibility

AC DC Converters, Offline Switchers Applications

• Offline LED lighting drivers
• Low-power isolated DC-DC converters
• Auxiliary power supplies for consumer electronics

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'GN-Z' against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure the design accommodates the requirement for an external BJT, as this component functions as a controller rather than a standalone integrated switch. Confirm thermal management strategies are adequate for the specified 800 mW output power limit.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing cost-sensitive, low-power offline converters that require isolation without magnetic components. It is appropriate for applications where efficiency is secondary to simplicity and bill-of-materials reduction. Compare against the MP100L if lower EMI or different power levels are required, noting the MP103 supports higher output power via external transistor integration.

AC DC Converters, Offline Switchers Part Context

The MP103 belongs to Monolithic Power Systems' HV Smart LDO Regulator family, specifically targeting offline applications. It serves as a higher-power alternative within the inductor-less regulator category, distinct from the MP100 which offers lower power output. This series enables simplified designs for AC/DC conversion by integrating control logic with high-voltage startup capabilities.

AC DC Converters, Offline Switchers Replacement Considerations

The MP100L is a verified substitute within the same product family offering similar functionality but with lower maximum output power (400 mW). Verify that the reduced power capability meets the application requirements before substitution.