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Product Detailed Parameters
- Description：IC REG FLYBACK 5V 1.2A TSOT23-5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Flyback
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：4V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.2A
- Frequency - Switching：10kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
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Overview
The LT3001IS5#TRMPBF is a micropower isolated flyback converter from Analog Devices, designed for applications requiring galvanic isolation without an optocoupler. It operates with an input voltage range of 4V to 36V and delivers up to 4W of output power. The device features a fixed 5V output and utilizes a TSOT-23-5 package. It supports an operating temperature range from -40°C to +125°C and is qualified under AEC-Q100 standards for automotive reliability.
Feature Summary
- Eliminates the need for an optocoupler by sampling the isolated output voltage directly from the primary-side flyback waveform
- Provides galvanic isolation in a compact surface-mount package suitable for space-constrained designs
- Operates efficiently across a wide input voltage range with high thermal stability
Applications
- Industrial control systems requiring isolated power supplies
- Automotive electronics needing robust, isolated DC-DC conversion
- Medical devices requiring safe, isolated power architectures
Procurement Notes
Verify the specific suffix #TRMPBF indicates tape-and-reel packaging when ordering. Confirm that the AEC-Q100 qualification meets your specific automotive or industrial reliability requirements. Ensure the 5V fixed output aligns with your system design needs, as this variant does not offer adjustable output options.
Selection Notes
Select this component when a no-optocoupler isolated solution is required to reduce bill-of-materials count and improve long-term reliability. It is suitable for low-to-medium power isolated applications where efficiency and size are critical. Consider the 4W power limit and 36V maximum input voltage when designing the transformer and input stage.
Part Context
This part belongs to the LT3001 family of micropower isolated flyback converters. The IS5 designation specifies the TSOT-23-5 package, while the #TRMPBF suffix denotes the tape-and-reel packaging format. This family is engineered to simplify isolated power supply design by removing the optocoupler and feedback loop compensation typically required in traditional flyback converters.
Replacement Considerations
Direct substitutes may include other no-optocoupler isolated flyback controllers from Analog Devices or competitors offering similar 4W power levels and TSOT-23-5 packages. Verify pin compatibility and transformer design requirements before substitution.
