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Product Detailed Parameters
- Description：IC LED DRIVER OFFL PWM 8SOIC
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：12V
- Voltage - Supply (Max)：450V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：110kHz
- Dimming：PWM
- Applications：Backlight, 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：Automotive
- Qualification：-
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Overview
The MP4001DS-LF-Z is a monolithic LED driver IC designed for universal input white LED lighting applications. It utilizes a buck topology with an adjustable output voltage and supports PWM dimming. The device operates within a supply voltage range of 12V to 450V, delivering a maximum output current of 350mA at a switching frequency of 110kHz. It is housed in an 8-SOIC package and functions reliably across a temperature range of -40°C to +125°C.
Feature Summary
- Supports universal AC/DC offline switch-mode power supply inputs
- Integrates PWM dimming control capability for brightness adjustment
- Features a compact 8-SOIC surface-mount package design
Applications
- LED backlighting systems
- General solid-state lighting fixtures
- Offline AC/DC LED driver circuits
Procurement Notes
Verify the specific suffix (e.g., LF-Z) against official Monolithic Power Systems documentation to confirm RoHS compliance and lead-free status. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the datasheet revision date to confirm compatibility with your design specifications before finalizing procurement.
Selection Notes
Select this component for designs requiring a single-output buck converter topology for LED strings. It is suitable for applications where a wide input voltage range up to 450V is necessary. Consider the 350mA current limit and 110kHz operating frequency when designing external passive components. Verify thermal requirements for the SOIC-8 package under maximum load conditions.
Part Context
This part belongs to the MP4001 series from Monolithic Power Systems, categorized as an LED driver IC. It is specifically engineered for high-voltage, low-current LED driving tasks. The device integrates essential protection features and control logic into a small footprint, serving as a core component in cost-effective lighting solutions.
Replacement Considerations
Consult MPS official documentation for direct substitutes or updated revisions within the MP4001 family. No alternative part numbers are confirmed in public sources.
