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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 ~ 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 LT3752HFE-1 is a current mode PWM controller optimized for active clamp synchronous forward converter topologies. It integrates a DC/DC housekeeping controller to improve efficiency and performance. The device supports a wide input voltage range up to 100V and features programmable switching frequencies between 100kHz and 500kHz. It operates with a supply voltage of 10.5V to 16V and offers a maximum duty cycle of 95%. The component is housed in a 38-pin TSSOP package and meets AEC-Q100 qualification standards.
Feature Summary
- Optimized for active clamp synchronous forward converter topologies
- Integrated DC/DC housekeeping controller for enhanced efficiency
- Supports high input voltage ranges suitable for isolated applications
Applications
- High-voltage isolated power supplies
- Industrial power conversion systems
- Telecommunications infrastructure equipment
Procurement Notes
Verify availability status as the part may be subject to limited supply or factory special orders. Confirm that the specific suffix matches the required packaging and temperature grade. Ensure compatibility with the target PCB footprint and thermal requirements before finalizing procurement decisions.
Selection Notes
Select this controller when designing active clamp synchronous forward converters requiring integrated housekeeping power. Consider the wide input voltage capability and programmable frequency range for flexible system design. Verify that the 38-pin TSSOP package fits the mechanical constraints of the application.
Part Context
This component belongs to the LT3752 series of switching controllers manufactured by Analog Devices Inc. It is categorized under PMIC - Power Management ICs. The device is designed to drive N-channel MOSFETs and includes features for synchronous rectification control within the specified topology.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for cross-reference data if alternative sourcing is required.
