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Product Detailed Parameters
- Description：4-STRING, MAX 200MA/CHANNEL, 80V
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：36V
- Voltage - Output：80V
- Current - Output / Channel：200mA
- Frequency：-
- Dimming：Analog, PWM
- Applications：Backlight
- 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 MP4658GS-P is a secondary-side LED driver IC designed for AC/DC feedback applications. It supports four LED strings with a maximum output voltage of 80V and a channel current of 200mA. The device operates within a supply voltage range of 4V to 16V and features a switching frequency between 20kHz and 350kHz. It utilizes a flyback topology and is housed in a 16-pin SOIC package, functioning reliably across temperatures from -40°C to +125°C.
Feature Summary
- Integrates secondary-side regulation for simplified primary-side control requirements
- Supports analog and PWM dimming methods for precise brightness control
- Designed specifically for AC/DC feedback topologies in lighting systems
Applications
- LED backlighting for computer monitors
- LED backlighting for small-sized televisions
- General LED lighting driver circuits requiring secondary-side regulation
Procurement Notes
Verify the specific suffix 'P' indicates tape-and-reel packaging configuration as per manufacturer standards. Confirm RoHS compliance status through official datasheets before integration. Ensure the SOIC-16 footprint matches PCB layout constraints. Cross-reference thermal performance data against expected ambient operating conditions to validate reliability under load.
Selection Notes
Select this component when secondary-side regulation is required for improved LED string matching. Suitable for designs needing support for up to four LED strings with an 80V headroom limit. Consider the 200mA per-channel current capability for moderate brightness applications. Evaluate the wide input voltage range compatibility with existing power supply architectures.
Part Context
This part belongs to the MP4657 series of LED lighting drivers from Monolithic Power Systems. It shares architectural similarities with the MP4657BGS-P but is optimized for higher voltage outputs suitable for larger display backlights. The series focuses on single-stage flyback solutions for cost-effective AC/DC conversion.
Replacement Considerations
The MP4657BGS-P is a related variant within the same family, though it typically targets lower voltage applications. Verify pinout compatibility and electrical specifications before substitution. No direct public substitute part numbers are confirmed for this specific high-voltage configuration.
