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Product Detailed Parameters
- Description：IC REG BOOST SEPIC ADJ 1A 8DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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)：40V
- Voltage - Output (Min/Fixed)：1.6V, -0.8V
- Voltage - Output (Max)：60V (Switch)
- Current - Output：1A
- Frequency - Switching：2MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°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 LT8330JDDB#TRPBF is a current-mode DC/DC converter manufactured by Analog Devices Inc. It supports Boost, SEPIC, and Inverting topologies using a single feedback pin to generate positive or negative output voltages. The device features an integrated 1A switch rated for 60V and operates with a switching frequency of 2MHz. Input voltage ranges from 3V to 40V, while the output can be adjusted between 1.6V and -0.8V. Quiescent current consumption is as low as 6µA. It is housed in an 8-pin DFN (3mm x 2mm) package.
Feature Summary
- Configurable topology support for boost, SEPIC, and inverting converter applications via a single feedback pin.
- Integrated soft-start and frequency foldback functions to control inductor current during startup.
- High switching frequency operation enables compact external component sizing and small board footprint.
Applications
- Industrial systems requiring flexible power conversion
- Automotive electronics utilizing SEPIC or inverting configurations
- Battery-powered devices needing low quiescent current operation
Procurement Notes
Verify the specific suffix JDDB corresponds to the 8-pin DFN package configuration when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure input voltage limits do not exceed the specified 40V maximum rating during system design validation.
Selection Notes
Select this component for designs requiring a single IC to handle multiple converter topologies without additional control complexity. The 2MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify thermal performance within the 8-pin DFN package constraints for the intended load conditions.
Part Context
This part belongs to the LT8330 family of low IQ converters designed for space-constrained applications. It shares architectural similarities with other Analog Devices power management ICs but is distinct in its multi-topology capability. The JDDB suffix specifically denotes the DFN-8 package variant.
Replacement Considerations
LT8330HDDB#TRPBF: Different package option (TSOT-23-6). LT8330ES6#TRMPBF: Different package option (TSOT-23-6). Verify pinout compatibility before substitution.
