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Product Detailed Parameters
- Description：IC LED DRIVER OFFL TRIAC 16QSOP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：AC DC Offline Switcher
- Topology：Flyback, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：9V
- Voltage - Supply (Max)：20V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：25kHz ~ 1MHz
- Dimming：Triac
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-QSOP
- Grade：-
- Qualification：-
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Overview
The ISL1904FAZ-T is a dimmable AC mains LED driver IC featuring integrated power factor correction (PFC). It utilizes a flyback topology for single-stage conversion of AC mains to a constant current source. The device operates within an input voltage range of 9 V to 20 V and supports critical conduction mode control. Designed for solid-state lighting applications, it functions across a temperature range of -40°C to +125°C.
Feature Summary
- Integrates power factor correction with flyback topology for single-stage AC-to-DC conversion
- Provides constant current output suitable for high-power LEDs
- Supports dimming capabilities for solid-state lighting systems
Applications
- Solid-state lighting fixtures
- High-power LED drivers
- Dimmable AC mains lighting systems
Procurement Notes
Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing design requirements given its discontinued lifecycle stage. Check for lead times associated with remaining stock.
Selection Notes
Select this component for designs requiring integrated PFC in a single-stage flyback architecture. Consider its suitability for AC mains inputs between 9 V and 20 V. Evaluate thermal performance within the specified -40°C to +125°C operating range. Assess if the critical conduction mode control meets efficiency targets for the target lighting application.
Part Context
This part belongs to Renesas' legacy Intersil portfolio of LED lighting drivers. It represents a solution for efficient AC-to-LED power conversion. The series focuses on simplifying design by combining PFC and regulation functions. It serves as a specialized component for industrial and commercial lighting sectors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative components must be identified based on functional equivalence and pin compatibility through independent engineering analysis.
