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AL1793AFE-13
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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 500MA 14UDFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：3
- Voltage - Supply (Min)：6.5V
- Voltage - Supply (Max)：30V
- Voltage - Output：30V
- Current - Output / Channel：500mA
- Frequency：-
- Dimming：Analog, PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-UFDFN Exposed Pad
- Supplier Device Package：U-DFN4030-14
- Grade：-
- Qualification：-
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Overview
The AL1793AFE-13 is a three-channel linear LED driver IC designed for AC/DC applications. It supports an input voltage range of 6.5 V to 30 V and delivers up to 1.5 A per channel. The device integrates analog and PWM dimming capabilities for precise brightness control. Packaged in a UDFN-14 (4x3 mm) surface-mount format, it operates within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates three independent constant-current channels for multi-string LED driving
- Supports both analog and pulse-width modulation (PWM) dimming methods
- Operates directly from AC/DC rectified voltages without external transformers
Applications
- LED lighting fixtures requiring multi-zone control
- General illumination systems with dimming requirements
- Commercial and residential LED drivers
Procurement Notes
Verify the specific suffix 'AFE-13' against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the UDFN-14 EP package. Confirm that the operating voltage range aligns with your system's rectified AC input levels before finalizing procurement.
Selection Notes
Select this component when a compact, multi-channel solution is required for AC/DC LED applications. It is suitable for designs needing integrated dimming without additional controller ICs. Consider the thermal performance of the UDFN package relative to the total power dissipation of the three channels at maximum current.
Part Context
This part belongs to Diodes Incorporated's AL1793 series of linear LED drivers. The series focuses on simplifying AC/DC LED power supply designs by integrating multiple channels into a single small-footprint package. It targets applications where space constraints and component count reduction are critical design factors.
Replacement Considerations
Check for direct pin-compatible alternatives within the same family or from other manufacturers offering similar 3-channel linear drivers. Verify that substitute parts maintain the same input voltage range and dimming interface compatibility.
