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Product Detailed Parameters
- Description：IC REG BUCK ADJ 6A 28QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.4V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.97V
- Voltage - Output (Max)：41.6V
- Current - Output：6A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-WFQFN Exposed Pad
- Supplier Device Package：28-QFN (3x6)
- Grade：-
- Qualification：-
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Overview
The LT8612IUDE is a dual-channel, high-efficiency synchronous step-down Silent Switcher 2 regulator manufactured by Analog Devices. It integrates two independent buck converters capable of delivering up to 2A output current per channel with a maximum input voltage of 42V. The device features a quiescent current of 6.2µA and utilizes proprietary architecture for low electromagnetic interference (EMI). Packaged in a thermally enhanced 30-lead LFCSP, it supports wide input voltage ranges and includes comprehensive protection features such as over-current, over-temperature, and short-circuit protection.
Feature Summary
- Dual independent synchronous buck channels integrated into a single package
- Silent Switcher 2 architecture for reduced radiated EMI emissions
- Integrated power MOSFETs with high efficiency across load ranges
- Comprehensive protection including thermal shutdown and current limiting
Applications
- Industrial automation control systems
- Telecommunications infrastructure equipment
- Portable instrumentation devices
- Automotive electronics subsystems
Procurement Notes
Verify the specific suffix 'IUDE' against the official Analog Devices datasheet to confirm pinout, thermal pad configuration, and tape-and-reel specifications. Ensure compatibility with PCB land patterns for the 30-lead LFCSP package. Confirm RoHS compliance status and lead-free soldering requirements prior to integration.
Selection Notes
Select this component when dual isolated or non-isolated 42V input buck conversion is required in a compact form factor. Evaluate thermal performance under maximum load conditions due to the dual-channel integration. Consider the 6.2µA quiescent current for battery-operated applications requiring extended standby life.
Part Context
The LT8612 belongs to Analog Devices' Silent Switcher family, designed to minimize EMI without external filters. It replaces discrete solutions by integrating controllers, drivers, and power stages. The IUDE variant denotes a specific package and temperature grade configuration within the broader LT8612 product line.
Replacement Considerations
LT8612IDE
FAQ
What is the maximum input voltage for the LT8612IUDE?
The maximum input voltage is 42V.
Does the LT8612 require external EMI filters?
No, the Silent Switcher 2 architecture minimizes radiated EMI, often eliminating the need for external filters.
