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Product Detailed Parameters
- Description：SINGLE-STAGE, FLYBACK, 4-STRING
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Flyback
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：4V
- Voltage - Supply (Max)：16V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：20kHz ~ 350kHz
- Dimming：Analog, PWM
- Applications：LCD TV/Monitor, Flat Panel Display
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The MP4657AGS-P is a pure single-stage flyback LED driver and system voltage controller from Monolithic Power Systems. It features four output channels with an input voltage range of 4 V to 16 V. The device operates at a switching frequency between 20 kHz and 350 kHz within a -40°C to +125°C temperature range. Packaged in an SOIC-16, it supports PWM dimming and includes thermal protection, LED open/short circuit protection, and fast dynamic control capabilities.
Feature Summary
- Pure single-stage flyback topology for integrated LED driving and system voltage control
- Four-channel output configuration supporting up to four series-connected LEDs
- Integrated thermal protection and comprehensive fault detection including LED open and short circuits
- Supports PWM dimming with fast dynamic control and response characteristics
Applications
- LCD monitors
- Televisions
- LED lighting systems requiring single-stage conversion
Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm package type and environmental compliance status. Ensure the ordering code matches the required tape-and-reel packaging format. Cross-reference the component marking with the datasheet to prevent counterfeit substitution during procurement.
Selection Notes
Select this component for designs requiring a single-stage solution that combines LED regulation with auxiliary power generation. The wide input voltage range suits various supply conditions. Evaluate the SOIC-16 package constraints against available PCB space and thermal dissipation requirements for the target application environment.
Part Context
This part belongs to the MP4657 series of LED lighting drivers manufactured by Monolithic Power Systems. It is categorized under Driver ICs within the PMIC segment. The series focuses on high-efficiency solutions for display backlighting applications, utilizing flyback topology to manage multiple LED strings efficiently.
Replacement Considerations
Consult official MPS documentation for verified substitute part numbers. Do not assume functional equivalence with other MP4657 variants without confirming pinout and electrical parameter alignment.
