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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#PBF is a high-efficiency synchronous step-down DC/DC converter manufactured by Analog Devices. It integrates two independent buck channels capable of delivering up to 5A or 7A peak current per channel, depending on the specific variant configuration. The device operates with an input voltage range from 3.8V to 42V and supports output voltages as low as 0.8V. Key electrical parameters include a quiescent current of 2.5µA and a switching frequency adjustable from 200kHz to 2.2MHz. The controller features Silent Switcher 2 architecture for reduced electromagnetic interference.
Feature Summary
- Silent Switcher 2 technology minimizes radiated electromagnetic emissions without external snubbers
- Dual-channel architecture allows independent regulation or parallel operation for higher current
- Integrated power MOSFETs provide high conversion efficiency across wide load ranges
- Programmable switching frequency enables optimization for size and performance trade-offs
Applications
- Industrial automation control systems
- Telecommunications infrastructure power distribution
- Medical equipment internal power rails
- Automotive infotainment and sensor modules
Procurement Notes
Verify the exact suffix designation against the manufacturer's official datasheet to confirm pinout compatibility and thermal pad specifications. Ensure that the package marking matches the intended application requirements. Cross-reference the revision level with the latest product change notification to avoid integration issues with existing designs.
Selection Notes
Select this component when dual isolated outputs are required from a single high-voltage rail. Evaluate the thermal dissipation capabilities based on the expected load current and ambient temperature conditions. Consider the minimum pulse width limitations if operating at very light loads or high duty cycles. Verify that the input voltage transient spikes remain within the absolute maximum ratings.
Part Context
This part belongs to the LT8612 family of dual-channel synchronous buck converters. It is designed for applications requiring compact power solutions with strict electromagnetic interference constraints. The Silent Switcher 2 technology distinguishes it from previous generations by embedding loop layout techniques directly into the package structure.
Replacement Considerations
LT8612IUDE#TRPBF: Identical functional specifications but supplied in tape and reel packaging instead of tube. LT8612IDE#PBF: Single-channel variant offering half the channel count of the IUDE version.
