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Product Detailed Parameters
- Description：IC REG BST SEPIC ADJ 5A 12DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Boost, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.8V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：40V (Switch)
- Current - Output：5A
- Frequency - Switching：300kHz ~ 2MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-DFN (4x3)
- Grade：-
- Qualification：-
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Overview
The LT8334RDE#PBF is a current mode DC/DC converter featuring a 40V, 5A switch. It operates from an input voltage range of 2.8V to 40V. The device utilizes a unique single feedback pin architecture for simplified design. It supports Boost, SEPIC, and Inverting topologies. The operating junction temperature range extends from -40°C to 150°C. The component is housed in a 12-WFDFN Exposed Pad package.
Feature Summary
- Single feedback pin architecture simplifies external component count and layout.
Applications
- Automotive systems requiring high voltage buck-boost conversion
- Industrial applications utilizing wide input voltage ranges
Procurement Notes
Verify the specific suffix #PBF indicates lead-free and RoHS compliance status against the manufacturer's latest documentation. Confirm the DFN-12 package dimensions match your PCB footprint requirements. Ensure the thermal pad connection strategy aligns with the datasheet recommendations for optimal heat dissipation at high load currents.
Selection Notes
Select this part when a 40V switch rating and 5A current capability are required within a compact surface-mount form factor. The single feedback pin feature reduces design complexity compared to traditional multi-pin regulator architectures. Consider the 150°C maximum junction temperature for high-temperature industrial or automotive environments where standard commercial grade parts may fail.
Part Context
This component belongs to Analog Devices' family of low IQ switching regulators designed for efficiency in power-constrained applications. The LT8334 series specifically targets boost, SEPIC, and inverting configurations. The RDE#PBF designation identifies the specific package type and compliance attributes within the broader LT8334 product line.
Replacement Considerations
LT8334IDE#PBF: Offers similar functionality but with a higher 60V switch rating and 4A output current capability. Verify if the increased voltage headroom or reduced current capacity meets the specific circuit requirements before substituting.
