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Product Detailed Parameters
- Description：IC REG BUCK ADJ 5A 20LQFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tray
- 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)：42V
- Current - Output：5A
- Frequency - Switching：200kHz ~ 3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TFQFN Exposed Pad
- Supplier Device Package：20-LQFN (4x3)
- Grade：-
- Qualification：-
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Overview
The LT8637EV#PBF is a demonstration circuit board featuring the LT8637 Silent Switcher synchronous step-down regulator. It operates with an input voltage range up to 42V and delivers a continuous output current of 5A, with a peak capability of 7A. The design integrates spread spectrum frequency modulation to minimize electromagnetic interference (EMI). The module utilizes a compact LQFN-20 package architecture for the controller, providing a high-efficiency power solution suitable for evaluation in space-constrained applications.
Feature Summary
- Integrates Silent Switcher technology to reduce radiated EMI without external filters
- Features spread spectrum frequency modulation for enhanced noise performance
- Provides synchronous step-down regulation with high efficiency
Applications
- Evaluation of Silent Switcher EMI performance
- Design reference for industrial power supplies
- Embedded system power stage prototyping
Procurement Notes
Verify that the received unit matches the specific LT8637EV#PBF designation. Confirm the presence of the LT8637 controller IC on the PCB. Ensure the packaging protects the sensitive demonstration board components during transit. Check for physical damage to connectors and surface-mount devices upon arrival.
Selection Notes
Select this evaluation kit when validating the LT8637 controller's performance in a complete power stage. It serves as a hardware reference for designers requiring a 42V input capable synchronous buck topology. Use this board to assess thermal behavior and EMI characteristics before custom PCB layout.
Part Context
This part belongs to Analog Devices' Silent Switcher family, designed for low EMI DC-DC conversion. The EV# suffix indicates it is an engineering evaluation version rather than a production component. It complements the standalone LT8637 controller by providing a tested reference design for developers.
Replacement Considerations
No direct single-part replacement exists as this is an evaluation board. For functional equivalents, consider other Silent Switcher evaluation kits from Analog Devices or compatible synchronous buck controllers such as the LT8636 series if lower current ratings are acceptable.
