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Product Detailed Parameters
- Description：IC REG BOOST SEPIC ADJ 2A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：1V
- Voltage - Input (Max)：10V
- Voltage - Output (Min/Fixed)：1.22V
- Voltage - Output (Max)：34V
- Current - Output：2A (Switch)
- Frequency - Switching：600kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1308BIS8#TRPBF is a boost and SEPIC switching regulator IC manufactured by Analog Devices Inc. It features a fixed switching frequency of 600 kHz and supports an input voltage range from 1 V to 10 V. The device provides one positive adjustable output, starting at a minimum of 1.22 V and reaching up to 34 V. It delivers a switch current of 2 A (typical 3 A) in an 8-SOIC package. Operating temperatures extend from -40°C to 125°C.
Feature Summary
- Supports both boost and SEPIC topologies for flexible power conversion
- Adjustable output voltage with a wide input range capability
- High efficiency operation at a fixed 600 kHz switching frequency
Applications
- Single-cell battery powered systems requiring voltage step-up
- Portable devices utilizing SEPIC configurations for varying input levels
- General purpose DC-DC conversion in space-constrained designs
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm that the IS8 variant corresponds to the industrial temperature grade (-40°C to 125°C). Ensure compatibility with 8-SOIC footprint requirements during PCB layout. Cross-reference datasheet revisions for any recent marking or electrical specification updates before finalizing procurement.
Selection Notes
Select this component when a combined boost and SEPIC solution is required within a single package. The 600 kHz frequency allows for smaller passive components compared to lower frequency alternatives. Consider the 2 A switch current limit against peak load requirements. The wide input range suits applications where source voltage may vary significantly.
Part Context
This part belongs to the LT1308 family of high-efficiency switching regulators. It shares architectural similarities with the LT1308A but offers distinct performance characteristics suitable for industrial environments. The SOIC-8 package provides a compact form factor for dense circuit board layouts while maintaining thermal performance.
Replacement Considerations
The LT1308AIS8#TRPBF is documented as a parameter-equivalent substitute. Verify pinout compatibility and thermal characteristics before swapping. Ensure the alternative meets the same 600 kHz frequency and current handling requirements.
