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Product Detailed Parameters
- Description：4-STRING, MAX 400MA/STRING, MAX
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：33V
- Voltage - Output：80V
- Current - Output / Channel：400mA
- Frequency：500kHz
- 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 MP3383GS-P is a Monolithic Power Systems LED lighting driver IC designed for white LED (WLED) controller applications. It supports four output strings with a maximum current of 400 mA per string and a maximum output voltage of 80 V. The device utilizes a step-up topology and operates at a switching frequency of 500 kHz. It accepts an input supply voltage ranging from 6 V to 33 V. The component is housed in a 16-pin SOIC package and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Supports PWM dimming for brightness control
- Includes short circuit protection mechanisms
- Features integrated thermal protection
Applications
- White LED backlighting systems
- Portable electronic display modules
- Automotive interior lighting circuits
Procurement Notes
Verify the specific suffix 'P' against official manufacturer documentation to confirm packaging details, as suffixes often denote reel or cut tape variations. Ensure compatibility with moisture sensitivity levels and surface mount requirements during procurement planning. Cross-reference the exact part number with the latest datasheet to avoid discrepancies in pinout or electrical specifications.
Selection Notes
Select this component for designs requiring a boost converter architecture for driving multiple LED strings from a higher voltage rail. The 500 kHz frequency allows for compact external passive components. Consider the 16-SOIC package constraints for PCB layout. Verify that the application input voltage remains within the 6 V to 33 V operational window to ensure stable regulation and protection functionality.
Part Context
This part belongs to the MP3383 series of LED drivers from Monolithic Power Systems. The series focuses on high-efficiency power management for lighting applications. The GS-P designation indicates the specific package type and packaging format within this product line, distinguishing it from other variants like the GF-P which uses a TSSOP-16EP package.
Replacement Considerations
The MP3383GF-P is a related variant within the same series but utilizes a TSSOP-16EP package instead of the SOIC-16. Verify pin-to-pin compatibility and thermal performance differences before substitution. Other MPS WLED controllers may require significant circuit redesign due to differing topologies or control interfaces.
