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Product Detailed Parameters
- Description：IC LED DRVR OFFL ANALOG 10VSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-VSSOP
- Grade：-
- Qualification：-
Download product information
Overview
The LM3444MM/NOPB is an AC-DC offline LED driver IC manufactured by Texas Instruments. It utilizes a buck topology to regulate current for single-output applications. The device supports an input supply voltage range from 8 V to 13 V and delivers a maximum output current of 1 A. It operates within a switch frequency range of 30 kHz to 1 MHz. The component is housed in a 10-pin VSSOP package and functions reliably across a temperature range of -40 °C to +125 °C.
Feature Summary
- Supports analog dimming control for brightness adjustment
- Includes thermal shutdown protection for enhanced reliability
- Features adjustable switching frequency to optimize design flexibility
Applications
- AC-DC offline LED lighting systems
- General LED illumination drivers
- Compact LED power supplies
Procurement Notes
Verify the exact part number suffix against official Texas Instruments documentation to ensure compatibility with specific packaging or environmental requirements. Confirm that the VSSOP-10 package variant matches the intended PCB layout constraints. Cross-reference the datasheet specifications for operating temperature and electrical limits prior to final procurement decisions.
Selection Notes
Select this component for designs requiring a single-channel buck converter with integrated thermal protection. Ensure the application demands an input voltage between 8 V and 13 V and can accommodate the specified 30 kHz to 1 MHz switching frequency range. Consider the VSSOP-10 footprint availability when designing the circuit board.
Part Context
This device belongs to the LM3444 series of LED drivers from Texas Instruments. It is designed specifically for offline AC-DC conversion applications where constant current regulation is required for LED loads. The NOPB suffix indicates lead-free and RoHS-compliant manufacturing standards consistent with industry environmental regulations.
Replacement Considerations
Consult official substitution guides for direct equivalents within the same product family. Verify pinout compatibility and electrical parameter alignment before considering alternative packages or manufacturers.
