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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 500MA TO263-7
- Series：-
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：24V
- Voltage - Output：-
- Current - Output / Channel：500mA
- Frequency：-
- Dimming：Analog, PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- Supplier Device Package：PG-TO263-7-1
- Grade：-
- Qualification：-
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Overview
The TLE4309GATMA1 is an integrated adjustable constant current source designed for driving LED loads up to 500 mA. It operates with an input voltage range of 4.5 V to 24 V and supports PWM control for dimming applications. The device utilizes a PG-TO263-7 surface-mount package, ensuring compatibility with standard thermal management solutions. As part of the TLE4309 family, it provides a linear low-dropout regulation mechanism suitable for automotive and industrial lighting systems requiring precise current control.
Feature Summary
- Integrated adjustable constant current source architecture
- Supports PWM control for external dimming functionality
- Linear low-dropout regulator design for stable operation
Applications
- Automotive exterior lighting systems
- Industrial LED illumination drivers
- General-purpose constant current LED sources
Procurement Notes
Verify the complete part number including the ATMA1 suffix to ensure correct packaging configuration. Confirm that the application circuitry matches the specified 4.5 V to 24 V input range. Ensure thermal design accounts for the power dissipation characteristics inherent to linear regulation at higher voltage differentials. Cross-reference the datasheet revision date to confirm compatibility with existing board layouts.
Selection Notes
Select this component when a single-channel, adjustable constant current solution is required for LEDs up to 500 mA. It is appropriate for designs needing simple PWM dimming integration without complex switching regulators. Consider the thermal performance of the PG-TO263-7 package relative to the expected voltage drop across the device during operation.
Part Context
This component belongs to the TLE4309 series of linear LED drivers manufactured by Infineon Technologies. It is specifically engineered for high-reliability applications where stable current regulation is critical. The device represents a specialized solution within the broader portfolio of automotive-grade semiconductor components focused on lighting control.
Replacement Considerations
Consult official Infineon documentation for direct pin-compatible substitutes within the TLE4309 family. Verify that any alternative maintains the same 500 mA output capability and PG-TO263-7 footprint. Ensure thermal resistance specifications are comparable to prevent overheating in identical enclosure designs.
