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LTC3900ES8#PBF
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Product Detailed Parameters
- Description：IC GATE DRVR LOW-SIDE 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Driven Configuration：Low-Side
- Channel Type：Synchronous
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：4.5V ~ 11V
- Logic Voltage - VIL, VIH：-
- Current - Peak Output (Source, Sink)：2A, 2A
- Input Type：Inverting, Non-Inverting
- Rise / Fall Time (Typ)：15ns, 15ns
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：-
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Overview
The LTC3900ES8#PBF is a secondary-side synchronous rectifier driver IC manufactured by Analog Devices. Designed for isolated forward converter power supplies, it drives N-channel rectifier MOSFETs using signals received from the primary-side controller via a pulse transformer. The device integrates comprehensive protection features for external MOSFETs and includes programmable timing controls to optimize efficiency and reliability in high-frequency switching applications.
Feature Summary
- Secondary-side synchronous rectification driver for isolated topologies
- Pulse transformer-based signal reception from primary controller
- Integrated protection mechanisms for external N-channel MOSFETs
Applications
- Isolated forward converter power supplies
- High-efficiency DC-DC conversion systems
- Industrial power supply designs requiring synchronous rectification
Procurement Notes
Verify the specific suffix #PBF indicates tube packaging versus TRPBF for reel packaging when sourcing. Confirm RoHS compliance status through official Analog Devices documentation prior to integration. Ensure the component matches the exact SOIC-8 package dimensions required by the PCB layout. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component specifically for isolated forward converter architectures requiring secondary-side synchronization. It is suitable for designs utilizing N-channel MOSFETs for rectification to improve efficiency over diode-based solutions. Consider the pulse transformer interface requirements for primary-to-secondary communication. Evaluate the integrated protection features against the specific stress conditions of the target application.
Part Context
This component belongs to the LTC3900 series of gate drivers and motor controllers from Analog Devices. It is distinct from general-purpose half-bridge drivers or buck converter controllers found in other product lines. The device is specialized for synchronous rectification tasks within isolated power conversion stages, differentiating it from non-isolated regulator ICs.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing primary-side controllers before considering alternative devices.
