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Product Detailed Parameters
- Description：IC LED DRIVER OFFL 78.3MA 8SOP
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：AC DC Offline Switcher
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：0V
- Voltage - Supply (Max)：100V
- Voltage - Output：-
- Current - Output / Channel：78.3mA
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOP-EP
- Grade：-
- Qualification：-
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Overview
The RT7320GSP is an AC-DC offline switcher integrated circuit manufactured by Richtek USA Inc., designed primarily for LED driver applications. It operates as a constant current source with a fixed output current of 78.3mA. The device is housed in an 8-SOP-EP (Exposed Pad) package, specifically identified as an 8-SOIC with a 3.90mm width and exposed pad configuration. This component integrates internal switching capabilities to facilitate efficient power conversion for lighting systems without requiring external discrete switches.
Feature Summary
- Integrates internal power switch for simplified circuit design
- Provides fixed constant current output suitable for LED driving
- Utilizes an 8-pin SOP package with exposed thermal pad
Applications
- LED lighting systems
- Offline AC-DC power conversion
- Constant current LED drivers
Procurement Notes
Verify the specific datasheet revision and electrical characteristics against the official Richtek documentation before integration. Confirm that the 8-SOP-EP package dimensions match the target PCB footprint. Note that some sources indicate this part may be obsolete; ensure availability and lifecycle status are validated through authorized distributors or direct manufacturer channels prior to finalizing procurement plans.
Selection Notes
Select this component when a dedicated, low-pin-count solution for driving LEDs from an AC line is required. The fixed 78.3mA output current limits its use to specific low-power lighting scenarios. Consider the thermal performance implications of the exposed pad design during layout. Ensure the application voltage range aligns with the device's rated specifications for offline operation.
Part Context
Richtek Technology specializes in power management integrated circuits (PMICs), offering solutions for consumer electronics, telecommunications, and industrial automation. The RT7320GSP falls within their portfolio of AC-DC converters and LED drivers, addressing the need for efficient energy conversion and precise control in lighting applications. The company focuses on high-reliability designs compliant with global standards.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided data. Verify compatibility with alternative LED driver ICs based on pinout, current rating, and package type if this component is unavailable.
