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AL1665S-13
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Product Detailed Parameters
- Description：IC LED DRIVER OFFL PWM 8SO
- 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)：No
- Number of Outputs：1
- Voltage - Supply (Min)：8.5V
- Voltage - Supply (Max)：21.8V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：150kHz
- Dimming：Analog, PWM
- Applications：LED Lighting
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The AL1665S-13 is a single-channel LED lighting driver IC from Diodes Incorporated, designed for offline AC/DC applications. It operates within an input voltage range of 8.5 V to 29.5 V and supports Boost, Buck, and Flyback topologies. The device features a switching frequency of 150 kHz and delivers a reference output voltage of 400 mV. Packaged in an SOIC-8 surface-mount format, it functions reliably across temperatures from -40°C to +105°C with a maximum supply current of 4 mA.
Feature Summary
- Supports multiple converter topologies including Boost, Buck, and Flyback for flexible circuit design
- Enables precise PWM dimming control for adjustable brightness applications
- Integrated open LED protection safeguards against load disconnection faults
Applications
- Offline LED lighting drivers
- General-purpose LED backlighting systems
- AC/DC powered LED modules
Procurement Notes
Verify the specific suffix designation to confirm package type and tape/reel specifications. Confirm RoHS compliance status through official documentation before integration. Ensure thermal management aligns with the specified operating temperature range. Validate pinout compatibility with existing PCB layouts. Check for any recent product change notices affecting material composition or manufacturing location.
Selection Notes
Select this component for designs requiring a single-channel solution with multi-topology flexibility. The 150 kHz frequency balances efficiency and component size. Suitable for applications needing wide input voltage tolerance. Consider the SOIC-8 package for space-constrained surface-mount implementations. Verify that the 400 mV reference matches the required current sensing configuration.
Part Context
Part of the AL1665 series, this IC targets cost-effective offline LED driver implementations. It integrates essential control functions into a compact eight-pin package. The series emphasizes reliability in consumer and industrial lighting sectors. Designers utilize it for standalone LED regulation without complex external circuitry.
Replacement Considerations
Consult manufacturer substitution guides for direct equivalents. Verify electrical parameters such as switching frequency and reference voltage match exactly. Ensure package dimensions and pin configurations are compatible with existing footprints.
