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Product Detailed Parameters
- Description：IC REG BUCK 5V 1.2A 8DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：7.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.2A
- Frequency - Switching：1MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-DFN (2x3)
- Grade：-
- Qualification：-
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Overview
The LT3663IDCB-5 is a current mode step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 7.5 V to 36 V and provides a fixed output voltage of 5 V. The device supports a maximum output current of 1.2 A and utilizes a buck topology. It features a programmable output current limit for precise system power dissipation control. The component is housed in an 8-pin DFN EP package and is designed for surface mount installation.
Feature Summary
- Current mode step-down switching regulator architecture
- Programmable output current limit functionality
- Fixed 5 V output voltage configuration
Applications
- 5V Step-Down Converter circuits
- DC to DC conversion systems requiring 1.2A load capacity
- Power management designs utilizing the LT3663 family
Procurement Notes
Verify the specific suffix IDCB-5 against official Analog Devices documentation to confirm the exact electrical characteristics, temperature grade, and packaging specifications. Ensure compatibility with the intended PCB footprint and thermal requirements before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 5 V output is required from a 7.5 V to 36 V input source. The integrated current limit feature aids in protecting downstream loads and simplifying power path component selection. Confirm that the 1.2 A output capability meets the application's peak and continuous load demands.
Part Context
This part belongs to the LT3663 series of switching regulators. Variants within the series offer different fixed output voltages such as 2.5 V, 3.3 V, and other configurations. The IDCB-5 designation specifically identifies the industrial temperature grade, DFN-8 package, and 5 V output setting within this product line.
Replacement Considerations
Consult official manufacturer substitution guides for verified equivalents. Cross-referencing requires matching input voltage ranges, output current capabilities, and package dimensions to ensure functional compatibility.
