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Product Detailed Parameters
- Description：IC REG CTRLR FWRD CONV 38TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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：-40°C ~ 125°C (TJ)
- 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 LT3753IFE#TRPBF is a current mode PWM controller optimized for active clamp forward converter topologies, supporting up to 100V input operation. It features a programmable volt-second clamp enabling primary switch duty cycles above 50% for improved transformer utilization. The device includes active clamp control to reduce voltage stress and enhance efficiency, alongside synchronous output control for secondary side rectification. Operating frequencies range from 100kHz to 500kHz with supply voltages between 8.5V and 100V. It is housed in a 31-lead TSSOP EP package.
Feature Summary
- Optimized for active clamp forward converter topology with high input voltage capability
- Programmable volt-second clamp allows duty cycles exceeding 50 percent
- Integrated active clamp control reduces switch voltage stress
- Synchronous output pin supports secondary side synchronous rectification
Applications
- High voltage DC-DC conversion systems
- Active clamp forward power supplies
- Industrial power management modules
- Isolated power converter designs
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the 31-lead TSSOP EP package variant matches design requirements. Check manufacturer documentation for current production status as availability may vary. Ensure compatibility with active clamp forward topology before integration.
Selection Notes
Select this component for applications requiring high input voltages up to 100V. The active clamp feature is suitable for designs prioritizing efficiency and reduced switch stress. Consider the 100kHz to 500kHz frequency range for magnetic component sizing. Verify thermal performance within the specified operating temperature range during layout.
Part Context
This part belongs to the LT3753 series of controllers designed for isolated power conversion. It complements other Analog Devices solutions by providing specialized control for forward converters. The series focuses on high reliability and efficient power handling in industrial environments.
Replacement Considerations
LT3753IFE#PBF serves as the tube-packaged equivalent of this tape-and-reel variant. Both share identical electrical characteristics and functionality. Choose based on manufacturing assembly requirements rather than performance differences.
