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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)：6.5V ~ 100V
- Frequency - Switching：100kHz ~ 500kHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Soft Start
- Operating Temperature：-40°C ~ 125°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 LT3752IFE is a current mode PWM controller optimized for active clamp forward converter topologies. It integrates a DC/DC housekeeping controller to simplify system design. The device supports switching frequencies from 100 kHz to 500 kHz and offers a maximum duty cycle of 95%. It operates with an output voltage of 10 V and output current of 10 mA. The component functions within a temperature range of -40°C to +125°C and consumes 7.5 mA of working supply current. It is housed in a TSSOP-38 package.
Feature Summary
- Optimized for active clamp forward converter topology
- Integrates internal DC/DC housekeeping controller
- Supports shutdown functionality
Applications
- Active clamp forward power supplies
- High-efficiency DC/DC conversion systems
- Industrial power management modules
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and functional variations. Ensure compatibility with the required thermal management solutions for the TSSOP-38 package. Confirm that the operating frequency range aligns with the target application's electromagnetic interference requirements.
Selection Notes
Select this controller when designing active clamp forward converters requiring integrated housekeeping power. Consider the 100 kHz to 500 kHz frequency range for efficiency and size optimization. Evaluate the TSSOP-38 package constraints for PCB layout and thermal dissipation needs in high-temperature environments.
Part Context
The LT3752 belongs to a family of synchronous forward controllers by Analog Devices. This series includes variants like the LT3752-1, which may differ in specific electrical characteristics or packaging options. The standard LT3752 serves as a core solution for isolated power conversion applications needing precise current mode control.
Replacement Considerations
Consult official substitution guides for equivalent active clamp forward controllers. Verify pin compatibility and electrical specifications before replacing with alternative part numbers.
