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Product Detailed Parameters
- Description：IC REG CTRLR FWRD CONV 16SSOP
- 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)：9.25V ~ 25V
- Frequency - Switching：100kHz ~ 500kHz
- Duty Cycle (Max)：90%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
- Grade：-
- Qualification：-
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Overview
The LT1952EGN#TRPBF is a monolithic DC-DC switching controller manufactured by Analog Devices Inc., designed for forward and flyback converter topologies. It operates within an input voltage range of 36V to 75V and supports a switching frequency of 300kHz. The device provides one isolated output capable of delivering up to 20A, with a typical output power rating of 300W. It functions as a positive regulator step-up/step-down controller in a 16-SSOP package. The operational temperature range spans from -40°C to 125°C.
Feature Summary
- Supports forward and flyback converter topologies for isolated output applications
- Integrated switching controller optimized for high-frequency operation at 300kHz
- Designed for wide input voltage ranges suitable for industrial DC/DC conversion
Applications
- Industrial DC/DC power supply modules requiring isolated outputs
- Forward converter designs for mid-power applications up to 300W
- Flyback converter implementations in offline SMPS systems
Procurement Notes
Verify the exact suffix configuration when ordering, as Analog Devices uses specific suffixes to denote tape-and-reel packaging versus tube quantities. Confirm that the LT1952EGN#TRPBF variant matches the required reel specifications for automated assembly processes. Cross-reference the manufacturer part number with official distributor catalogs to ensure availability and correct component revision status before finalizing procurement orders.
Selection Notes
Select this controller for applications requiring a dedicated forward or flyback topology solution with integrated switching control. Ensure the external transformer and MOSFET components are rated for the 300W output power and 300kHz switching frequency. Verify that the system design accommodates the 16-SSOP package footprint and thermal requirements for the -40°C to 125°C operating range.
Part Context
The LT1952 series includes variants such as the LT1952EGN#PBF and LT1952EGN-1#TRPBF, which share similar functional characteristics but may differ in pinout configurations or specific regulatory features. Evaluation boards like the DC759A and DC830A demonstrate reference designs using these controllers for 5V and 3.3V isolated outputs respectively, highlighting their versatility in different voltage conversion scenarios.
Replacement Considerations
Direct substitutes include the LT1952EGN#PBF for non-tape-and-reel packaging needs and the LT1952EGN-1#TRPBF if the specific pinout variation associated with the '-1' suffix is required. Always verify pin compatibility and electrical parameters against the original datasheet before implementing any cross-replacement.
