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Product Detailed Parameters
- Description：IC REG BOOST CUK ADJ 6A 38TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Boost, Cuk, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：1.6V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：40V (Switch)
- Current - Output：6A (Switch)
- Frequency - Switching：100kHz ~ 1MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：38-TFSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：38-TSSOP-EP
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Overview
The LT3959IFE#PBF is a wide input voltage range switching regulator IC from Analog Devices Inc., designed for boost, Cuk, and SEPIC topologies. It supports adjustable output voltages starting from 0.8V with a single positive or negative output configuration. The device delivers up to 6A of switch current and operates within an input voltage range of 1.6V to 40V. Switching frequencies are programmable between 100kHz and 1MHz. It utilizes a 38-TFSOP package with exposed pad and functions across a temperature range of -40°C to 125°C.
Feature Summary
- Supports multiple converter topologies including boost, Cuk, and SEPIC configurations
- Wide input voltage capability accommodating sources from 1.6V to 40V
- Integrated current-mode control for stable regulation under varying load conditions
- Programmable switching frequency allows optimization for efficiency and component size
Applications
- Industrial power supplies requiring flexible input ranges
- Automotive electronics systems operating on variable bus voltages
- Battery-powered devices utilizing boost or inverting architectures
- Telecommunications infrastructure power management modules
Procurement Notes
Verify the specific suffix and package type against your schematic requirements. Confirm thermal performance needs for the TFSOP-38 package. Check for RoHS compliance documentation. Ensure compatibility with your PCB footprint design. Validate supply chain authenticity through authorized channels.
Selection Notes
Choose this component when wide input voltage flexibility and high current capability are required. Consider the 6A switch current limit for load requirements. Evaluate the need for Cuk or SEPIC topologies versus standard boost. Assess thermal dissipation capabilities within the target enclosure environment.
Part Context
This part belongs to the LT3959 family of wide input voltage regulators. It shares functional similarities with other Linear Technology DC-DC converters but offers specific topology versatility. The IFE suffix indicates the industrial temperature grade and TFSOP packaging variant.
Replacement Considerations
LT3959IUHE#PBF is a parameter-equivalent alternative available from Analog Devices Inc.
