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Product Detailed Parameters
- Description：IC LED DRIVER OFFL 8SOIC
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：AC DC Offline Switcher
- Topology：Flyback
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：10.3V
- Voltage - Supply (Max)：23V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MP4021GS-LF is an AC-DC offline switcher IC designed for LED lighting applications. It integrates a flyback controller with dimming capabilities, supporting input voltages from 10.3 V to 23 V and delivering up to 1 A output current. The device operates within a temperature range of -40°C to +125°C and is housed in an 8-SOIC package. It is classified as Not Recommended for New Designs (NRND), with manufacturers recommending the MP4026 and MP4027 series for new projects.
Feature Summary
- Integrates flyback controller functionality for AC-DC offline switching applications
- Supports dimming control features for LED lighting systems
- Designed for high-temperature operation up to 125°C
Applications
- LED lighting driver circuits
- AC-DC offline power supplies
- Flyback converter designs
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and RoHS compliance status prior to procurement. Note that this part is marked NRND; ensure final design compatibility before ordering. Request official datasheets and quality certificates to validate specifications against application requirements.
Selection Notes
Select this component only for legacy system maintenance or specific retrofitting where existing designs are validated. Evaluate thermal management requirements due to the 125°C maximum operating temperature limit. Consider the recommended replacements, MP4026 and MP4027, for any new development cycles to ensure long-term supply chain stability and updated feature sets.
Part Context
This IC belongs to Monolithic Power Systems' portfolio of LED lighting driver integrated circuits. It serves as an offline switcher solution for compact lighting fixtures. The product line focuses on integrating power switching and control logic into single packages to reduce external component count and simplify PCB layout for consumer and industrial lighting applications.
Replacement Considerations
Officially recommended substitutes include MP4026 and MP4027 models. Verify pinout compatibility and electrical parameter alignment when transitioning from this NRND part to the suggested alternatives for new designs.
