ChipApex | Global Electronic Components Supplier
AL8843SP-13
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC LED DRIVER RGLTR PWM 3A 8SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：3A
- Frequency：1MHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting, Signage
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SO-EP
- Grade：-
- Qualification：-
Download product information
Overview
The AL8843SP-13 is a single-channel constant current LED driver IC manufactured by Diodes Incorporated. It utilizes a buck topology to regulate output current for LED applications. The device supports an input voltage range from 4.5 V to 40 V and delivers up to 3 A of output current. It operates at a fixed switching frequency of 250 kHz. The adjustable output voltage capability allows flexibility in circuit design. The component is housed in an SOIC-8 package with exposed pad for thermal performance. It functions within a temperature range of -40°C to +105°C, ensuring reliability in various environments.
Feature Summary
- Integrates a high-voltage internal switch for simplified circuit design
- Supports PWM dimming for precise brightness control
- Includes open LED protection to prevent damage during fault conditions
Applications
- LED lighting drivers
- General-purpose step-down DC/DC conversion
- Constant current regulation for LED strings
Procurement Notes
Verify the specific ordering suffix matches the required tape and reel quantity. Confirm RoHS compliance status through official documentation before integration. Ensure the SOIC-8 package dimensions align with PCB footprint requirements. Check for any regional distribution restrictions or supply limitations that may affect procurement timelines.
Selection Notes
Choose this component for applications requiring a compact buck converter solution with integrated power switching. The fixed 250 kHz frequency offers a balance between efficiency and external component size. Consider the 3 A current limit when sizing heat dissipation strategies. The wide input voltage range accommodates various supply sources common in automotive and industrial LED systems.
Part Context
This part belongs to the AL8843 series of LED drivers from Diodes Incorporated. It is designed specifically for medium-power LED illumination tasks. The series focuses on providing robust protection features and efficient power management in a small form factor. It serves as a cost-effective alternative to discrete solutions for driving multiple LEDs in series.
Replacement Considerations
Consult official Diodes Incorporated substitution guides for verified alternatives. Cross-reference pinout compatibility and electrical specifications carefully. Ensure any substitute maintains the same SOIC-8 package and thermal characteristics.
