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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)：2.55V
- 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 ~ 125°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 LT8580EDD#TRPBF is a synchronous boost, SEPIC, and inverting DC/DC converter IC manufactured by Analog Devices Inc. It operates with an input voltage range of 2.9V to 40V and delivers up to 1A switch current. The device supports adjustable output voltages from 1.2V to 65V. It features a programmable switching frequency between 200kHz and 1.5MHz. The component is housed in an 8-lead DFN package with exposed pad and functions within a temperature range of -40°C to 150°C.
Feature Summary
- Supports multiple topologies including boost, SEPIC, and inverting configurations for flexible power conversion.
- Integrates soft-start functionality to manage inrush current during startup sequences.
- Allows synchronization to an external clock signal for noise reduction and timing alignment.
Applications
- Battery-powered systems requiring efficient voltage step-up or inversion
- Industrial control circuits needing isolated or negative rail generation
- Automotive electronics operating under wide input voltage variations
Procurement Notes
Verify the specific suffix #TRPBF confirms tape and reel packaging when ordering. Confirm the EDD variant matches the required 8-DFN package dimensions. Ensure compatibility with the intended switching frequency range and thermal requirements for the application environment before finalizing procurement.
Selection Notes
Select this component when a single IC must support boost, SEPIC, or inverting modes without external topology changes. Consider the 1A switch current limit and 40V maximum input rating against load requirements. Evaluate the 8-DFN package size constraints and thermal dissipation capabilities relative to the PCB layout design.
Part Context
This part belongs to the LT8580 family of high-efficiency switching regulators. It shares core architecture with other variants like LT8580HDD but differs in package type and temperature grade. The series is designed for applications demanding compact solutions with flexible topology options.
Replacement Considerations
LT8580HDD#TRPBF offers similar electrical performance with potential differences in temperature range or package tolerance. LT8580EMS8E#TRPBF provides MSOP packaging instead of DFN. Verify pinout compatibility and thermal characteristics when substituting.
