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AL1698K-20CS7-13
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Product Detailed Parameters
- Description：IC LED DRV OFFL TRIAC 7SO TR 4K
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：AC DC Offline Switcher
- Topology：Flyback, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：7.3V
- Voltage - Supply (Max)：7.5V
- Voltage - Output：-
- Current - Output / Channel：2A
- Frequency：-
- Dimming：Triac
- Applications：LED Lighting
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width), 7 Leads
- Supplier Device Package：7-SO
- Grade：-
- Qualification：-
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Overview
The AL1698K-20CS7-13 is a dimmable offline LED driver IC from Diodes Incorporated, designed for triac-dimmable LED lamp applications. It operates in Buck-Boost and Flyback topologies with a single output capable of delivering up to 2 A. The device supports an input voltage range of 7.3 V to 18 V and features adjustable output voltage. Key electrical parameters include a maximum power dissipation of 800 mW, a supply current of 10.5 mA, and an operating frequency of 4 kHz. It functions within a temperature range of -40°C to +105°C and is housed in a 7-SO package.
Feature Summary
- Supports Triac dimming functionality for compatible lighting systems
- Integrates short circuit and thermal protection mechanisms
- Operates as an off-line switcher with high efficiency design
Applications
- Triac-dimmable LED lamps
- Offline LED lighting drivers
- General illumination systems requiring dimmability
Procurement Notes
Verify the specific suffix 'K' against official Diodes Incorporated documentation to confirm it denotes a specific tape-and-reel packaging variant or quality grade distinct from the base AL1698 model. Ensure the ordering part number matches the exact datasheet revision required for your design. Confirm RoHS compliance status directly from the manufacturer's latest certification documents before finalizing procurement.
Selection Notes
Select this component when designing circuits that require integrated Triac dimming control without external logic. The 7-SO package suits space-constrained PCB layouts. Verify that the application topology aligns with the supported Buck-Boost or Flyback configurations. Ensure the load current requirements do not exceed the 2 A output capability and that the input voltage stays within the specified 7.3 V to 18 V range for stable operation.
Part Context
This part belongs to the AL1698 series of LED drivers from Diodes Incorporated. It is functionally related to the AL1697 and standard AL1698 models, sharing similar core driver capabilities but potentially differing in packaging or specific manufacturing lot attributes indicated by the suffix. It serves as a specialized solution for modern dimmable LED lighting infrastructure.
Replacement Considerations
The AL1697-20CS7-13 is listed as a discontinued alternative with similar specifications. Verify pin compatibility and functional equivalence with the AL1698K-20CS7-13 before substitution. Check if the 'K' suffix implies any mechanical or electrical differences compared to the standard AL1698-20CS7-13.
