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Product Detailed Parameters
- Description：IC REG BOOST SEPIC ADJ 2A 8DFN
- 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)：3V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：1.6V, -0.8V
- Voltage - Output (Max)：28V (Switch)
- Current - Output：2A (Switch)
- Frequency - Switching：2MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-DFN (3x2)
- Grade：-
- Qualification：-
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Overview
The LT8335IDDB is a current mode DC/DC converter manufactured by Analog Devices Inc., housed in an 8-lead DFN package. It supports Boost, SEPIC, and Inverting topologies with a single feedback pin for positive or negative output generation. The device operates within an input voltage range of 3 V to 25 V, delivering up to 2 A output current at a maximum output voltage of 28 V. Key electrical parameters include a 2 MHz switching frequency, 840 uA quiescent current, and operation from -40°C to +125°C.
Feature Summary
- Configurable as a boost, SEPIC, or inverting converter using a single feedback pin
- Current mode architecture for stable regulation across various topologies
- Capable of generating either positive or negative output voltages
Applications
- Single-supply systems requiring both positive and negative rails
- Battery-powered applications utilizing SEPIC topology for wide input ranges
- Inverting power supply designs for analog circuit biasing
Procurement Notes
Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and moisture sensitivity levels. Confirm RoHS compliance status through the manufacturer's datasheet. Ensure the DFN-8 package dimensions match your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when a single IC must handle multiple DC-DC conversion topologies without additional control logic. The 2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the 2 A output current capability meets the load requirements for the intended boost, SEPIC, or inverting configuration.
Part Context
This part belongs to the LT8335 series of high-efficiency DC/DC converters designed for flexible system architectures. It integrates the switch and control logic into a compact DFN-8 package, reducing board space compared to discrete solutions. The series is engineered for applications requiring versatile power conversion capabilities from a single controller.
Replacement Considerations
Consult Analog Devices official cross-reference lists for verified substitutes. Generic equivalents may not support the same multi-topology flexibility or current mode control characteristics.
