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Product Detailed Parameters
- Description：TRIAC DIMMABLE, NON-ISOLATED OFF
- Series：MP
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Type：AC DC Offline Switcher
- Topology：Flyback, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：27V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Triac
- Applications：Commercial & Industrial 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 MP4056GS-Z is a non-isolated offline LED controller featuring active PFC and TRIAC dimming capabilities. It utilizes a Buck-Boost topology to regulate current for LED loads. The device operates from an AC input voltage range of 85 VAC to 305 VAC, with a maximum power supply voltage of 305 V. It is housed in an SMD/SMT package and supplied in Reel packaging.
Feature Summary
- Integrates active power factor correction for improved line efficiency.
- Supports TRIAC dimming functionality for lighting control compatibility.
- Employs a non-isolated Buck-Boost converter architecture.
Applications
- TRIAC dimmable LED lighting fixtures
- Non-isolated offline LED driver designs
- General illumination applications requiring active PFC
Procurement Notes
Verify the specific suffix GS against the manufacturer datasheet to confirm package dimensions and thermal characteristics. Ensure the design accounts for humidity sensitivity requirements during storage and assembly processes. Confirm that the Buck-Boost topology aligns with the target LED string voltage and current specifications before finalizing procurement.
Selection Notes
Select this component for applications requiring integrated active PFC and TRIAC dimming in a non-isolated configuration. The wide input voltage range supports global AC line variations. Evaluate the thermal performance of the SMD package relative to the expected power dissipation in the target enclosure environment.
Part Context
This part belongs to the Monolithic Power Systems LED Lighting Drivers category. It is classified under Driver ICs and utilizes a Buck-Boost topology. The device is designed for non-isolated offline applications, distinguishing it from isolated flyback or forward converters commonly used in other LED driver families.
Replacement Considerations
Public documentation does not list confirmed substitute part numbers for the MP4056GS-Z. Engineers should consult the manufacturer's official cross-reference tools or datasheets for potential alternatives.
