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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 24SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：2
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：35V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：150kHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.213", 5.40mm Width)
- Supplier Device Package：24-SOP
- Grade：-
- Qualification：-
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Overview
The BD9483F-GE2 is a DC/DC controller for LED lighting applications, manufactured by Rohm Semiconductor. It utilizes a boost topology and operates with an input voltage range of 11V to 35V. The device supports two outputs and functions at a switching frequency of 150kHz. It features PWM dimming capabilities and adjustable output voltage. The component is housed in a 24-SSOP-B package and is rated for operation between -40°C and +85°C.
Feature Summary
- Supports dual-channel LED driving via a boost converter topology
- Enables precise brightness control through PWM dimming signals
- Integrates protection mechanisms for open and short circuit conditions
Applications
- LED backlighting for LCD panels
- General LED lighting systems
- White LED driver circuits
Procurement Notes
Verify the exact suffix configuration when ordering, as variations such as BD9483FV-GE2 exist within the same family. Confirm that the selected part matches the required pinout and thermal specifications for your specific PCB layout. Ensure compatibility with your system's input voltage range before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring dual-channel LED control with a wide input voltage range. Consider the 24-pin SSOP-B package constraints for board space. Verify that the 150kHz switching frequency aligns with your electromagnetic interference requirements and inductor selection criteria for optimal efficiency.
Part Context
This IC belongs to Rohm's series of LED lighting drivers designed for high-efficiency power conversion. It is part of a broader portfolio of white LED drivers intended for display and illumination applications. The device integrates control logic with external power components to manage LED current regulation effectively.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official manufacturer resources or authorized distributors for qualified alternatives if this component is no longer suitable for their design.
