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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 75.5MA 16SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：8
- 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：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The A6275SLW-T is a linear LED driver IC manufactured by Allegro MicroSystems, housed in a 16-SOIC surface-mount package. It features an internal shift register topology with eight independent outputs capable of delivering up to 75.5mA per channel. The device operates on a supply voltage range of 4.5V to 5.5V and supports output voltages up to 4V. It includes built-in switching capabilities and functions at frequencies up to 20MHz. The component is rated for an ambient operating temperature range from -20°C to +85°C.
Feature Summary
- Integrates an internal shift register for simplified serial data control of multiple LED channels
- Provides linear current regulation for consistent brightness across connected loads
- Includes internal switching elements to manage power delivery efficiently
Applications
- General-purpose LED illumination systems
- Indicator lighting circuits
- Low-power display backlights
Procurement Notes
Verify the specific suffix (e.g., SLW-T) against official datasheets to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status as it varies by manufacturing batch and region. Ensure the selected variant matches the required lead-free standards for your assembly process before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring precise linear current control for multiple LEDs without complex PWM modulation. The integrated shift register reduces pin count compared to parallel drivers. Verify that the 75.5mA output capability meets the forward current requirements of the target LEDs within the specified 4.5V to 5.5V supply range.
Part Context
This part belongs to the A6275 family of linear LED drivers from Allegro MicroSystems. The family focuses on simplifying multi-channel LED control through integrated logic and regulation. These components are designed for applications where cost-effective, reliable dimming and current regulation are prioritized over high-frequency switching complexity.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Allegro MicroSystems technical support or authorized distributors for verified cross-reference information.
