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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 8SOIC
- Series：-
- Mfr：Infineon Technologies
- Package：Tube
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：8V
- Voltage - Supply (Max)：16.6V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：500kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-25°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The IRS25411SPBF is a high-voltage half-bridge driver and buck regulator controller designed for LED lighting applications. It integrates a 600V half-bridge driver with a PWM dimmable buck regulator for current regulation. The device supports PWM dimming and includes short-circuit protection. It operates within a supply voltage range of 8V to 16.6V and features a switching frequency of 500kHz. The component is housed in an 8-SOIC package and functions as a DC-DC controller without internal switches.
Feature Summary
- Integrates a 600V half-bridge driver with a buck regulator controller for simplified LED drive designs
- Supports PWM dimming functionality for precise light control
- Includes built-in short-circuit protection for enhanced system reliability
Applications
- LED lighting driver circuits
- Constant current LED regulation systems
- High voltage buck converter topologies
Procurement Notes
Verify the obsolete status of this specific part number before procurement planning, as distributor data indicates it may be discontinued. Confirm availability of alternative packages or updated series components from Infineon Technologies. Ensure compatibility with existing PCB footprints if substituting. Check for moisture sensitivity handling requirements during storage and assembly processes.
Selection Notes
Select this component for applications requiring integrated high-voltage driving and buck regulation in a compact form factor. Consider the 8-SOIC package constraints and thermal performance limits. Evaluate the 500kHz switching frequency against EMI requirements. Verify that the external component count aligns with design goals for cost and space optimization.
Part Context
This part belongs to Infineon's AC-DC LED driver IC family, specifically designed for high-efficiency lighting solutions. It combines power conversion and control functionalities to reduce external component count. The IRS25411 series targets applications needing robust performance in constrained spaces, leveraging advanced integration to minimize system complexity and cost.
Replacement Considerations
Public sources indicate the IRS25411SPBF is obsolete. The IRS25411STRPBF is a tape-and-reel variant of the same functional device. Designers should evaluate newer generations of Infineon LED drivers for long-term supply stability.
