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Product Detailed Parameters
- Description：PROTOTYPE
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：8V
- Voltage - Supply (Max)：13V
- Voltage - Output：9V ~ 60V
- Current - Output / Channel：2A
- Frequency：350kHz
- Dimming：Analog, PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-VSSOP
- Grade：-
- Qualification：-
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Overview
The LM3444MM/S7002725 is an AC-DC offline LED driver manufactured by Texas Instruments. It functions as a buck (step-down) constant current controller designed to provide stable illumination for high-power LEDs. The device is capable of controlling LED currents greater than 1 A. It operates within an input voltage range of 8 V to 13 V and features analog dimming capabilities. The component is housed in a PDSO10 package.
Feature Summary
- Provides constant current control for illuminating high-power LEDs
- Capable of driving LED currents exceeding 1 A
- Supports analog dimming functionality
Applications
- AC-DC offline LED lighting systems
- High-power LED illumination circuits
- Constant current LED driver designs
Procurement Notes
Verify the specific suffix /S7002725 against official Texas Instruments documentation to confirm exact qualification data and revision status. Ensure compatibility with required input voltage ranges and thermal management solutions. Cross-reference part numbers such as LM3444MM/NOPB for potential functional equivalents if availability is constrained, while confirming pinout and electrical parameter alignment.
Selection Notes
Select this component for applications requiring a dedicated buck converter topology for LED strings. Consider the maximum output current capability and the analog dimming interface when designing the control circuitry. Evaluate the PDSO10 package constraints for PCB layout and thermal dissipation requirements relative to the expected load power.
Part Context
This part belongs to the Texas Instruments family of AC-DC offline LED drivers. It is related to variants such as LM3444MM/NOPB and LM3444MMX/NOPB. The device falls under the category of power management ICs specifically optimized for lighting applications, distinguishing it from general-purpose switching controllers.
Replacement Considerations
LM3444MM/NOPB is a documented variant within the same product line. Verify functional equivalence regarding electrical specifications and packaging before substitution.
