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Product Detailed Parameters
- Description：IC REGULATOR
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive, Isolation Capable
- Topology：Forward Converter
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：8.5V ~ 100V
- Frequency - Switching：100kHz ~ 500kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Frequency Control, Soft Start
- Operating Temperature：-55°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad
- Supplier Device Package：38-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT3753MPFE is a DC-DC switching controller IC designed for forward converter topologies. It supports positive, isolation-capable outputs and functions as a boost/buck regulator. The device operates within a switch frequency range of 100kHz to 500kHz. It features a wide input voltage capability from 4.5V to 100V and includes programmable peak current limiting. The component is housed in a 38-TSSOP-EP package and provides transistor driver outputs.
Feature Summary
- Supports forward converter topology with positive and isolation-capable output configurations
- Operates with a wide input voltage range spanning 4.5V to 100V
- Features programmable peak switch current limiting for protection
- Functions as a boost/buck regulator with adjustable switching frequencies
Applications
- Forward converter power supply designs
- Isolated DC-DC conversion systems
- Industrial power management applications requiring wide input ranges
- Boost and buck regulation circuits
Procurement Notes
Verify the specific suffix and package type against official Analog Devices documentation to ensure compatibility with design requirements. Confirm availability status through authorized distributors, as supply conditions may vary. Ensure that the selected variant matches the required thermal and electrical specifications for the intended application environment.
Selection Notes
Select this controller for applications requiring forward converter topologies with isolated outputs. Consider the wide input voltage range and programmable current limits when designing for variable source conditions. Ensure the 38-TSSOP-EP package fits the PCB layout constraints and thermal management strategy. Validate switching frequency settings against system noise and efficiency requirements.
Part Context
The LT3753MPFE belongs to the family of DC-DC switching controllers manufactured by Analog Devices Inc. It is categorized under Power Management ICs (PMIC) specifically for DC-DC control. The component is part of the broader portfolio of power management solutions offered by the manufacturer, targeting efficient energy conversion in various electronic systems.
Replacement Considerations
Check for direct substitutes such as the LT3753MPFE#TRPBF for tape-and-reel packaging options. Verify pinout and functional compatibility before replacing with other forward converter controllers from different manufacturers.
