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Product Detailed Parameters
- Description：IC LED DRIVER OFFL 420MA 8DIP
- Series：-
- Mfr：Fremont Micro Devices Ltd
- Package：Tube
- Type：AC DC Offline Switcher
- Topology：Flyback
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：9V
- Voltage - Supply (Max)：20V
- Voltage - Output：-
- Current - Output / Channel：420mA
- Frequency：5kHz
- Dimming：-
- Applications：Lighting
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The FT833BD-DRB is an offline constant current LED driver manufactured by Fremont Micro Devices. It operates within a supply voltage range of 1.9V to 5.5V and supports an operating temperature range from -40°C to +85°C. The device provides a regulated output current of 420mA, suitable for driving LED loads in lighting applications. It is housed in an 8-DIP package with a width of 0.300 inches (7.62mm), designed for through-hole mounting on printed circuit boards.
Feature Summary
- Provides precise constant current regulation for LED illumination
- Operates directly from offline power sources without secondary feedback components
- Supports wide input voltage and temperature ranges for robust performance
Applications
- LED lighting fixtures
- Offline AC/DC conversion systems
- General illumination modules
Procurement Notes
Verify the specific ordering suffix DRB corresponds to the required 8-DIP package configuration. Confirm that the 420mA output current aligns with the target LED load requirements. Ensure the operating environment remains within the specified -40°C to +85°C thermal limits. Check for any specific handling instructions related to the DIP form factor during assembly.
Selection Notes
Select this component when a primary-side regulated solution is needed to eliminate optocouplers. The 8-DIP package facilitates easy prototyping and manual assembly. Consider the 420mA fixed output when designing for single or series-connected LED strings. Verify compatibility with the intended offline power topology before integration.
Part Context
This part belongs to the FT833 series of high-precision, primary-side feedback constant current drivers developed by Fremont Micro Devices. The series targets LED lighting applications requiring simplified designs. The FT833BD-DRB variant specifically denotes the DIP package option within this family.
Replacement Considerations
Consult official substitution lists for compatible primary-side regulated LED drivers. Verify pinout compatibility and electrical parameters such as output current and voltage range before replacing existing components in production designs.
