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Product Detailed Parameters
- Description：IC OFFLINE SWITCH FLYBACK 8SOP
- Series：-
- Mfr：Fremont Micro Devices Ltd
- Package：Tape & Reel (TR)
- Output Isolation：Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：15 V
- Voltage - Supply (Vcc/Vdd)：5.5V ~ 18V
- Duty Cycle：-
- Frequency - Switching：-
- Fault Protection：Current Limiting, Over Temperature, Over Voltage, Short Circuit
- Control Features：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The FT832DB-RT is an integrated circuit offline switch designed for flyback converter topologies, manufactured by Fremont Micro Devices Ltd. It operates as a primary side constant current/constant voltage controller suitable for isolated power management applications. The component utilizes an 8-SOP surface mount package with a width of 3.90mm. Key electrical specifications include a startup voltage of 15V and an operating junction temperature range from -40°C to 150°C. This device is classified under PMIC AC DC converters and offline switchers.
Feature Summary
- Primary side control architecture for simplified isolated power supply designs
- Integrated flyback converter switching capability within a compact surface mount package
- Wide thermal operating range supporting high-temperature industrial environments
Applications
- Isolated power management systems
- Flyback converter topology implementations
- Offline AC DC conversion circuits
Procurement Notes
Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and pin alignment against the 8-SOP specification. Cross-reference datasheet revisions to ensure compatibility with existing design parameters. Request batch traceability documentation for quality assurance purposes prior to final procurement decisions.
Selection Notes
Evaluate thermal requirements against the specified -40°C to 150°C junction temperature range. Ensure the 15V startup voltage aligns with the target circuit's biasing capabilities. Consider the 8-SOP footprint constraints for PCB layout optimization. Verify that primary side control meets system isolation and regulation needs without additional secondary sensing components.
Part Context
This component belongs to the family of offline switcher ICs intended for low-to-medium power isolated applications. It serves as a core switching element in flyback architectures, replacing discrete transistor solutions. The integration of control logic and power switching reduces bill of materials complexity while maintaining reliable performance in standard consumer and industrial power supplies.
Replacement Considerations
FT838D1-BL is listed as a similar substitute part number. Verify functional equivalence regarding pinout, electrical ratings, and thermal characteristics before implementation.
