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Product Detailed Parameters
- Description：IC LED DRIVER OFFL TRIAC 16SOIC
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tape & Reel (TR)
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：17V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Triac
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The CS1612A-FSZR is an AC-DC offline switcher designed for LED lighting applications. It utilizes a step-down (buck) topology and supports Triac dimming functionality. The device operates within a supply voltage range of 11V to 17V and features a working frequency between 6kHz and 200kHz. It is housed in a 16-SOIC package with a surface-mount installation style. The component is rated for an operating temperature range from -40°C to +125°C TJ.
Feature Summary
- Supports Triac dimming for compatible lighting control systems
- Integrates AC-DC offline switching capabilities
- Designed specifically for LED driver applications
Applications
- LED lighting drivers
- AC-DC offline power conversion
- Triac-dimmable light fixtures
Procurement Notes
This component is officially classified as End of Life (EOL) by Cirrus Logic Inc. Public documentation confirms that manufacturing has ceased, and the part is no longer available through standard distribution channels. Verification of current availability should focus on obsolete stock or alternative replacement parts rather than new procurement from the manufacturer.
Selection Notes
Engineers selecting this part must account for its discontinued status. Design integration requires careful evaluation of long-term supply chain stability. Since the device is EOL, alternative components with similar buck topology and Triac dimming support should be prioritized for new designs to ensure production continuity.
Part Context
The CS1612A-FSZR belongs to the Cirrus Logic LED driver IC family. It is part of a series that includes variants like the CS1615 and CS1616, which often share similar packaging and functional characteristics such as flyback or buck topologies. These devices are typically used in specialized lighting control circuits requiring efficient AC-DC conversion.
Replacement Considerations
Public records indicate the CS1616-FSZR as a related variant within the same product line. Both devices share the 16-SOIC package and Triac dimming capability. Engineers should verify specific electrical parameters and topology differences when considering the CS1616-FSZR as a potential substitute.
