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Product Detailed Parameters
- Description：IC LED DRIVER OFFL PWM 8SOIC
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Type：AC DC Offline Switcher
- Topology：Flyback
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：25V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：33kHz, 50kHz
- Dimming：PWM
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C (TA)
- 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 FL103M is a primary-side-regulation PWM controller designed for LED illumination applications. It utilizes a flyback topology to provide constant current regulation without secondary feedback circuitry. The device integrates proprietary TURECURRENT technology to ensure precise control. It operates in an 8-lead SOIC package and supports AC/DC offline switching.
Feature Summary
- Primary-side regulation eliminates the need for optocouplers and secondary feedback components
- Proprietary TURECURRENT topology enables accurate constant-current control
- Integrated protection features include over-temperature and voltage lockout
Applications
- LED lamp control systems
- Offline LED driver circuits
- Flyback converter designs for lighting
Procurement Notes
Verify component authenticity as the FL103M is discontinued by Fairchild Semiconductor. Datasheets are provided for reference only. Confirm availability through authorized distributors or surplus suppliers. Ensure the specific suffix matches design requirements. Check for obsolescence status before finalizing procurement plans.
Selection Notes
Select this component for low-power LED illumination projects requiring simplified circuitry. The primary-side regulation reduces external component count. Verify compatibility with target flyback transformer specifications. Consider the discontinued status when planning long-term production runs. Ensure thermal management aligns with the integrated protection limits.
Part Context
Fairchild Semiconductor produced the FL103M as part of its power management portfolio. The company was acquired by onsemi. This controller belongs to the family of primary-side regulated devices aimed at reducing system cost and size. It targets applications where secondary sensing is impractical or undesirable.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official replacement guides from onsemi or verify pin-compatible alternatives through independent datasheet comparison.
