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Product Detailed Parameters
- Description：SINGLE-STAGE PFC FLYBACK CONTROL
- 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)：6V
- Voltage - Supply (Max)：27V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM
- 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 MP4059GS-P is a single-stage PFC flyback controller designed for LED lighting applications. It integrates primary-side feedback to achieve constant current regulation without an optocoupler. The device supports deep dimming capabilities down to 1%. It operates within an input voltage range of 6 V to 27 V and functions at switching frequencies up to 170 kHz. The component is housed in an SOIC-8 package and is rated for operation between -40°C and +125°C.
Feature Summary
- Integrates single-stage PFC and flyback control for simplified LED driver designs
- Utilizes primary-side regulation to eliminate the need for optocouplers and secondary sensing components
- Supports analog and PWM dimming with deep dimming capability down to 1%
- Provides constant current regulation for LED loads over a wide operating range
Applications
- LED lighting drivers requiring deep dimming functionality
- Non-isolated or isolated offline LED controllers using primary-side feedback
- Single-stage power factor correction circuits for general illumination
Procurement Notes
Verify the specific suffix GS-P against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Confirm that the recommended replacement MP4050A meets all functional requirements, as the MP4059GS-P is marked as Not Recommended for New Designs (NRND). Ensure compatibility with existing PCB layouts if substituting from older revisions.
Selection Notes
Select this component for designs prioritizing cost reduction through the elimination of optocouplers and secondary side regulation circuitry. It is suitable for applications requiring high power factor correction and precise constant current control. Consider the NRND status when planning long-term production cycles and evaluate the MP4050A as a potential alternative for new projects.
Part Context
This part belongs to the Monolithic Power Systems LED Lighting Driver IC category. It is specifically engineered for AC-DC conversion in lighting systems. The MP4059 series focuses on integrating PFC and DC-DC functions into a single chip to reduce component count and improve reliability in solid-state lighting products.
Replacement Considerations
The manufacturer recommends the MP4050A as a replacement for new designs. Verify electrical compatibility and pin configuration before substitution. No other public substitute part numbers are confirmed.
