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Product Detailed Parameters
- Description：HYSTERETIC PFET CONTROLLER FOR H
- Series：*
- Mfr：National Semiconductor
- Package：Bulk
- Type：-
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The LM3401MMX/S7002590 is a hysteretic P-FET controller designed for high-power LED drive applications. Manufactured by National Semiconductor, this integrated circuit operates in an 8-VSSOP package. It functions as a constant current source to regulate LED brightness and ensure stable operation. The device utilizes a hysteretic control method to manage the power FET switching, providing efficient regulation without requiring complex compensation networks. This component is specifically engineered for driving high-power LEDs in various lighting systems.
Feature Summary
- Hysteretic control architecture for simplified design
- Optimized for high-power LED drive applications
- Constant current regulation capability
Applications
- High-power LED lighting modules
- General illumination systems
- Automotive exterior lighting
Procurement Notes
Verify the manufacturer part number LM3401MMX/S7002590 against official National Semiconductor or Texas Instruments documentation to confirm authenticity. Ensure the package type matches the required 8-VSSOP specification. Cross-reference the suffix S7002590 with authorized distributor catalogs to validate specific batch or reel configurations. Request original datasheets for final electrical parameter confirmation before procurement.
Selection Notes
Select this component when designing circuits requiring hysteretic control for high-power LEDs. It is suitable for applications needing constant current regulation with minimal external components. Consider the 8-VSSOP package constraints for PCB layout. Verify input voltage ranges and thermal requirements align with the target LED load specifications during the design phase.
Part Context
This part belongs to the LM3401 family of LED drivers from National Semiconductor, now part of Texas Instruments. The LM3401 series is widely recognized for its simplicity and efficiency in driving high-power LEDs. The MMX suffix indicates a tape and reel packaging format, while the S7002590 likely denotes a specific customer or distributor code. The family focuses on robust performance in demanding lighting environments.
Replacement Considerations
The LM3401MMX/NOPB is a confirmed lead-free alternative within the same product line. Both parts share identical functional characteristics and pinouts. Verify that the replacement meets all environmental compliance requirements if applicable. No functional changes are expected between these variants.
