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Product Detailed Parameters
- Description：IC LED DRIVER OFFL TRIAC 16TSSOP
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tray
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：-
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：17V
- Voltage - Output：15V
- Current - Output / Channel：-
- Frequency：1.3kHz ~ 3.3kHz
- Dimming：Triac
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The CS1680-FZZ is a dimmable LED controller IC designed for MR16 lighting applications. It operates within a supply voltage range of 11 V to 17 V and supports an operating temperature range of -40°C to 125°C (TJ). The component is housed in a 16-TSSOP package with dimensions of 5 mm length, 4.40 mm width, and a maximum seated height of 1.1 mm. It features a rectangular plastic/epoxy body and utilizes surface mount technology.
Feature Summary
- Supports triac-based dimming functionality for compatible AC mains inputs
- Integrated flyback topology for efficient power conversion
- Designed specifically for low-voltage MR16 LED lamp implementations
Applications
- Dimmable MR16 LED downlights
- Low-voltage LED accent lighting systems
- Residential and commercial architectural lighting fixtures
Procurement Notes
Verify the exact suffix against the manufacturer's current product status documentation, as distribution channels may list obsolete or active variants differently. Confirm that the 16-TSSOP package matches your PCB footprint requirements precisely. Ensure compatibility with existing triac dimmer switches in the target application environment before finalizing procurement decisions.
Selection Notes
Select this component when designing non-isolated flyback converters for MR16 form factors requiring triac dimming. The fixed input voltage window of 11 V to 17 V dictates transformer design constraints. Evaluate thermal performance within the 125°C junction limit during high-load operations. Consider the TSSOP-16 thermal dissipation characteristics relative to the enclosure's airflow conditions.
Part Context
This part belongs to Cirrus Logic's dedicated LED driver family, focusing on integrated control and power stages for specific lamp form factors. It represents a solution for compact, cost-effective lighting designs where space constraints favor surface-mount packages over discrete solutions. The series targets the retrofit and new-build market for directional LED lighting.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with other Cirrus Logic LED drivers only through official engineering change notices or direct manufacturer consultation.
