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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 16SOP
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：SEPIC, Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：36V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：800kHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOP
- Grade：-
- Qualification：-
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Overview
The RT8480GS is a current-mode PWM controller designed to drive external MOSFETs for high-current LED applications. It supports SEPIC and boost topologies with an operating input voltage range of 4.5V to 36V. The device operates at a switching frequency of 800kHz and features a low-side current sense amplifier with a threshold of 190mV. It provides one output and supports both analog and PWM dimming for flexible brightness control.
Feature Summary
- Supports SEPIC and boost converter topologies for versatile LED driving configurations
- Enables flexible brightness control through combined analog and PWM dimming capabilities
- Utilizes current-mode PWM control architecture for stable operation
Applications
- LED backlight systems
- General lighting applications
Procurement Notes
Verify the specific suffix 'GS' against the manufacturer's official datasheet to confirm package type and temperature grade. Ensure compatibility with required input voltage ranges and dimming signal types before integration. Cross-reference pinouts and thermal characteristics with the latest revision documentation to avoid design mismatches.
Selection Notes
Select this component when designing circuits requiring wide input voltage flexibility between 4.5V and 36V. It is suitable for applications needing precise current regulation via external sensing resistors. Consider its 800kHz frequency for balancing efficiency and component size in compact designs.
Part Context
This part belongs to Richtek's PMIC portfolio, specifically categorized under LED drivers. It functions as a DC-DC controller integrating power stage management with dimming interfaces. The device is engineered for reliability in consumer electronics and lighting sectors where stable current delivery is critical.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence regarding topology support and dimming methods if considering alternatives from other manufacturers.
