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Product Detailed Parameters
- Description：IC REG PUSH-PULL ADJ 1A 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up/Step-Down
- Output Configuration：Positive, Isolation Capable
- Topology：Push-Pull
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：1A
- Frequency - Switching：50kHz ~ 1MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT3999IMSE#TRPBF is a push-pull transformer driver IC from Analog Devices, designed for isolated DC-DC converter topologies. It operates with an input voltage range of 2.7V to 36V and delivers a continuous output current of 1A. The device supports adjustable switching frequencies between 50kHz and 1MHz. It features a 10-WFDFN package with an exposed pad for thermal management. The component functions as a positive, adjustable output regulator suitable for high-voltage isolation applications.
Feature Summary
- Push-pull topology optimized for driving center-tapped transformers in isolated power supplies
- Integrated high-current output stage capable of sourcing 1A drive current
- Adjustable switching frequency allows optimization for efficiency and component size
- Wide input voltage range accommodates various bus voltage standards
Applications
- Isolated flyback converters
- Push-pull DC-DC conversion stages
- High-voltage isolated power modules
- Industrial control system power supplies
Procurement Notes
Verify the specific suffix TRPBF indicates tape-and-reel packaging when ordering. Confirm the IMSE grade meets required temperature specifications for your application environment. Ensure the 10-WFDFN footprint matches your PCB layout design. Cross-reference the datasheet for latest mechanical drawings before finalizing assembly processes.
Selection Notes
Select this component when designing isolated topologies requiring a robust push-pull driver. Consider the 1A output capability against transformer primary current requirements. Evaluate the 50kHz to 1MHz frequency range against magnetic component constraints. Verify that the 36V maximum input voltage aligns with your system's supply rails.
Part Context
This part belongs to the LT3999 family of transformer drivers. It complements other Analog Devices PMIC solutions by providing specialized isolation capabilities. The MSOP/DFN form factor allows for compact designs compared to discrete driver solutions. It serves as a core control element in regulated isolated power architectures.
Replacement Considerations
LT3999EDD#TRPBF shares similar electrical characteristics but utilizes a different 10-WFDFN package outline. Verify pin compatibility and thermal performance if substituting. No other direct functional equivalents are documented in the provided source material.
