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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 8DIP
- Series：-
- Mfr：Infineon Technologies
- Package：Tube,Tube
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：9V
- Voltage - Supply (Max)：15.6V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：500kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-25°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Grade：-
- Qualification：-
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Overview
The IRS2541PBF is a high-voltage, high-performance LED driver controller IC manufactured by Infineon Technologies. It utilizes a buck (step-down) topology for efficient DC-DC conversion and supports PWM dimming capabilities. The device operates with a switching frequency of 500kHz and features an external switch configuration without internal switches. It is designed for surface-mount or through-hole applications depending on the package variant, though this specific part number denotes an 8-DIP package. The controller manages single-channel output control for LED lighting applications.
Feature Summary
- High-voltage LED driver controller optimized for buck topology efficiency
- Supports PWM dimming for precise light intensity control
- Operates at a fixed 500kHz switching frequency for compact design
Applications
- General LED lighting systems requiring step-down conversion
- PWM dimmable LED drivers
- High-voltage LED string control circuits
Procurement Notes
Verify component authenticity through authorized Infineon distributors. Confirm RoHS compliance status as lead-free. Check moisture sensitivity level (MSL 2) handling requirements during storage and assembly. Ensure the 8-DIP package matches your PCB footprint specifications before ordering.
Selection Notes
Select this controller when a buck topology is required for LED drive applications. Ensure the input voltage range accommodates the system's supply rails. Verify that the external MOSFET selection aligns with the 500kHz switching frequency and current requirements. Consider thermal management solutions suitable for the operating temperature range.
Part Context
This component belongs to the IRS2541 family of LED driver controllers from Infineon Technologies. It serves as a dedicated solution for driving LED loads using a non-synchronous buck converter architecture. The device integrates necessary control logic for stable LED current regulation while maintaining high efficiency in power conversion stages.
Replacement Considerations
The IRS2541SPBF is listed as a similar alternative but is obsolete. The IRS25411STRPBF is confirmed as a substitute part number. Verify pin compatibility and electrical specifications before substituting.
