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Product Detailed Parameters
- Description：IC REG CTRLR FLYBACK 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive, Isolation Capable
- Topology：Flyback
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：5V ~ 100V
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Soft Start
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width), 12 Leads
- Supplier Device Package：16-MSOP
- Grade：-
- Qualification：-
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Overview
The LT3748MPMS is a high voltage isolated flyback controller from Analog Devices Inc. designed for wide input voltage ranges of 5V to 100V. It supports output power up to 80W and features an integrated 1.9A switch driver. The device operates within an extended temperature range of -55°C to 150°C, ensuring reliability in harsh environments. Packaged in a 16-pin MSOP, it provides a compact solution for isolated DC-DC conversion applications requiring robust performance and wide operating margins.
Feature Summary
- Supports wide input voltage range from 5V to 100V
- Integrated 1.9A switch driver capability
- Extended industrial temperature rating from -55°C to 150°C
Applications
- Isolated flyback power supplies
- Industrial control systems
- Medical equipment power stages
Procurement Notes
Verify the specific suffix (PBF vs TR) to confirm packaging type, as tube and tape/reel variants exist. Confirm availability status, as some listings indicate restricted supply or obsolete status for certain revisions. Ensure the 16-pin MSOP package matches your PCB footprint requirements before ordering.
Selection Notes
Select this component when high voltage isolation and wide input range are critical. The integrated driver simplifies external gate drive circuitry. Consider thermal management due to the 1.9A driver current. Verify that the 80W power limit aligns with system requirements. Check for alternative packages if space constraints differ from the MSOP form factor.
Part Context
This part belongs to the LT3748 family of isolated flyback controllers. It shares functional similarities with other high-voltage controllers but is distinguished by its specific voltage range and temperature rating. The MPMS variant specifically denotes the military/extended grade version in the MSOP package, differentiating it from standard commercial grades.
Replacement Considerations
LT3748HMS#PBF is a confirmed substitute within the same family, sharing similar functionality and package type. Verify pin compatibility and electrical specifications against the original design requirements before substitution.
