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Product Detailed Parameters
- Description：4-CHANNEL 350MA/CH WLED DRIVER F
- Series：MP
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：28V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：140kHz ~ 670kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The MP3394SGF-P is a step-up, 4-string white LED driver IC from Monolithic Power Systems. It features four internal current sources with a maximum output current of 200 mA per channel and a current matching accuracy of 2.5%. The device operates within an input voltage range of 5 V to 28 V and supports adjustable switching frequencies. It utilizes a boost topology and is housed in a TSSOP-16EP or SOIC-16 package.
Feature Summary
- Integrates four independent current sources for precise LED string regulation
- Supports PWM dimming via external signal or DC input for frequency setting
- Includes comprehensive protection mechanisms such as open/short LED detection and overvoltage protection
Applications
- Backlight driving for large LCD panels
- White LED array illumination in monitors
- Television display backlighting systems
Procurement Notes
Verify the specific suffix designation to confirm the exact package type, as variants exist in both TSSOP-16EP and SOIC-16 configurations. Confirm that the component status is active for new designs, noting that certain legacy versions like the MP3394ES are marked as not recommended for new use. Ensure compatibility with the required thermal management specifications for the selected enclosure.
Selection Notes
Select this component when a four-channel boost driver with high current matching precision is required for LCD backlight applications. Consider the flexibility of cascading multiple units via a single power supply if additional LED channels beyond four are necessary. Evaluate the operating temperature range and humidity sensitivity requirements against the environmental conditions of the target deployment.
Part Context
This part belongs to the MP3394S series of LED lighting drivers designed specifically for white LED control. The series is characterized by its ability to drive multiple LED strings from a low-voltage input source up to higher voltages required by the LED arrays. It represents a solution for compact, efficient backlighting in consumer electronics where space and power efficiency are critical constraints.
Replacement Considerations
The MP3394SGS-P is a confirmed substitute within the same family, offering identical electrical characteristics but differing primarily in the physical package configuration.
