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Product Detailed Parameters
- Description：IC REG BOOST CUK ADJ 1.2A 8DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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)：2.9V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：65V (Switch)
- Current - Output：1.2A (Switch)
- Frequency - Switching：200kHz ~ 1.5MHz
- 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 (3x3)
- Grade：-
- Qualification：-
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Overview
The LT8580HDD#TRPBF is a synchronous switching regulator IC from Analog Devices, housed in an 8-lead DFN package. It supports Boost, Cuk, and SEPIC topologies with adjustable output voltage ranging from 1.2V to 65V. The device features a 1.2A switch current capability and operates on input voltages between 2.9V and 40V. It includes soft-start functionality and allows external clock synchronization. The component functions within a temperature range of -40°C to +150°C TJ.
Feature Summary
- Supports multiple DC/DC converter topologies including boost, inverting, and SEPIC configurations.
- Integrates a 1.2A synchronous switch for efficient power conversion.
- Features adjustable output voltage control via external feedback network.
- Includes internal soft-start mechanism to limit inrush current during startup.
Applications
- Battery-powered systems requiring voltage step-up or inversion
- Industrial control circuits utilizing SEPIC topology for variable input sources
- Portable electronics needing compact power management solutions
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the H-grade temperature rating matches application requirements. Ensure compatibility with 8-DFN footprint dimensions during PCB layout. Check RoHS compliance status through official manufacturer documentation before final procurement approval.
Selection Notes
Select this component when designing circuits requiring flexible topology options like Cuk or SEPIC alongside standard boost modes. Consider the 1.2A switch current limit for load requirements. Evaluate the 8-DFN package size against available board space. Verify that the 40V maximum input voltage aligns with source conditions.
Part Context
This part belongs to the LT8580 family of synchronous regulators designed for versatile power conversion needs. It shares core architecture with other variants differing primarily in package type and temperature grade. The DD suffix denotes the specific 8-lead DFN physical form factor used in this configuration.
Replacement Considerations
LT8580IDD#TRPBF offers identical electrical specifications but may differ in thermal performance characteristics due to package variations. LT8580EMS8E#TRPBF provides MSOP packaging alternative with similar functional capabilities. Verify pinout compatibility and thermal dissipation requirements when substituting.
