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AL9902S16-13
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Product Detailed Parameters
- Description：IC LED DRVR OFFL PWM 400MA 16SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)
- Type：AC DC Offline Switcher
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：20V
- Voltage - Supply (Max)：500V
- Voltage - Output：-
- Current - Output / Channel：400mA
- Frequency：300kHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting, Signage
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
- Grade：-
- Qualification：-
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Overview
The AL9902S16-13 is an offline LED driver IC from Diodes Incorporated, designed for high-voltage applications. It operates within a supply voltage range of 20 V to 500 V and supports switching frequencies up to 300 kHz. The device delivers a constant output current of 400 mA with adjustable output voltage capabilities. Packaged in a SOIC-16 format, it functions as a buck or boost converter topology. The component is rated for operation between -40°C and +105°C, featuring PWM dimming and open LED protection mechanisms.
Feature Summary
- Supports PWM dimming control for brightness adjustment
- Includes integrated open LED protection circuitry
- Operates as an off-line LED driver with buck/boost topology
Applications
- Offline LED lighting systems
- High-voltage LED driver circuits
- Industrial LED illumination
Procurement Notes
Verify the specific suffix 'S16' confirms the SOIC-16 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the specified 20 V to 500 V input range. Validate thermal performance requirements against the -40°C to +105°C operating temperature limits defined in the datasheet.
Selection Notes
Select this component for designs requiring direct connection to high-voltage AC sources without bulky transformers. The integrated buck/boost topology allows flexibility in LED string configuration. Consider the 400 mA output current limit when sizing the load. The SOIC-16 package offers a balance between thermal dissipation and board space efficiency for medium-power applications.
Part Context
This part belongs to the AL99 series of LED drivers from Diodes Incorporated. It is categorized under PMIC and Driver ICs. The product is specifically identified as an offline LED driver, distinguishing it from low-voltage DC/DC counterparts. It serves as a power management solution for converting high-voltage inputs to regulated constant currents for LED loads.
Replacement Considerations
Check for pin-compatible alternatives within the same Diodes Incorporated family if supply constraints exist. Verify that any substitute maintains the 500 V maximum rating and 300 kHz frequency capability. Ensure the replacement package matches the SOIC-16 footprint to avoid PCB redesign.
