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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 75.5MA 24SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：16
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：4V
- Current - Output / Channel：75.5mA
- Frequency：20MHz
- Dimming：-
- Applications：-
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SOIC
- Grade：-
- Qualification：-
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Overview
The A6276SLWTR-T is a linear LED driver IC manufactured by Allegro MicroSystems, housed in a 24-SOIC surface-mount package. It features a shift register topology with 16 outputs and an internal switch. The device operates on a supply voltage ranging from 4.5V to 5.5V, delivering a maximum output voltage of 4V per channel at 75.5mA. It supports a clock frequency of up to 20MHz and functions within a temperature range of -20°C to 85°C.
Feature Summary
- Integrates a serial shift register for efficient control of multiple LED channels
- Provides constant current regulation via linear drive topology
- Includes internal switching capability for direct load connection
Applications
- LED display systems requiring segment driving
- Industrial indicator lighting arrays
- Consumer electronics backlighting modules
Procurement Notes
Verify component status as the A6276SLWTR-T is listed as obsolete or discontinued in available records. Confirm availability through authorized distributors or secondary markets if immediate procurement is required. Ensure compatibility with existing PCB footprints and design specifications before finalizing orders for legacy system maintenance.
Selection Notes
Select this component for applications requiring simple serial interface control of high-density LED arrays. The linear topology suits low-noise environments where precise current regulation is prioritized over efficiency. Consider the 24-SOIC package constraints and thermal dissipation requirements when designing the host circuit board layout.
Part Context
This part belongs to Allegro's LED driver portfolio, designed for general-purpose illumination and display tasks. It complements other series like the A6275 and A6270, offering similar functionality with specific pin counts and output configurations tailored for different integration densities in electronic devices.
Replacement Considerations
Check for direct substitutes such as the A6275SLWTR-T or A6270KLPTR-T, which share similar linear drive characteristics. Verify pinout compatibility and electrical parameters to ensure seamless replacement without redesigning the host application circuit.
