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Product Detailed Parameters
- Description：IC REG BUCK ADJ DL 28TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：3.4V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.79V
- Voltage - Output (Max)：41.8V
- Current - Output：1.5A, 2.5A
- Frequency - Switching：200kHz ~ 3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8616EFE is a high-efficiency, high-speed dual synchronous monolithic step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 5.8V to 42V and delivers up to 6.5A of output current. The device features a low quiescent current consumption of 6.5µA when both channels are enabled. It supports adjustable switching frequencies and includes integrated soft-start functionality.
Feature Summary
- Dual-channel synchronous buck topology for independent or combined power rail generation
- High efficiency operation across wide input voltage ranges suitable for industrial applications
- Low static current consumption to maintain efficiency during light-load conditions
Applications
- Industrial distributed power systems
- Automotive electronics requiring wide input voltage tolerance
- Telecommunications infrastructure power supplies
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature rating. Ensure compatibility with your PCB footprint and thermal management requirements before finalizing orders. Cross-reference datasheet revisions for any pinout or electrical characteristic updates.
Selection Notes
Select this component when designing systems requiring two isolated or related regulated outputs from a single high-voltage source. Evaluate thermal performance based on total load current and ambient conditions. Confirm that the required output voltage settings align with the feedback resistor network specifications provided in the datasheet.
Part Context
This part belongs to the LT8616 family of dual synchronous buck regulators designed for demanding power conversion tasks. It integrates power switches and control logic into a compact package to reduce solution size compared to discrete solutions.
Replacement Considerations
Consult official Analog Devices substitution guides for verified alternatives. Do not assume functional equivalence with other buck converters without verifying pin compatibility and electrical specifications.
