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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ DL 20TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Flyback, SEPIC
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：2.6V
- Voltage - Input (Max)：50V
- Voltage - Output (Min/Fixed)：2.6V
- Voltage - Output (Max)：50V (Switch)
- Current - Output：1.35A (Switch), 2.1A (Switch)
- Frequency - Switching：100kHz ~ 2MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8471IFE#TRPBF is a dual multitopology DC/DC converter featuring two independent 2A switches and synchronization capability. It supports buck, boost, inverting, and SEPIC configurations within a single package. The device integrates high-side drivers for external MOSFETs and includes programmable switching frequency control. Designed for flexible power architectures, it allows mixed topologies across its two channels to optimize board space and component count in complex power distribution networks.
Feature Summary
- Dual independent channel architecture with integrated 2A power switches
- Supports multiple topology configurations including buck, boost, inverting, and SEPIC
- Synchronization capability for noise management and parallel operation
Applications
- Portable battery-powered equipment requiring mixed voltage rails
- Industrial systems needing isolated or inverted supply generation
- Automotive electronics with varying input voltage ranges
- Telecommunications infrastructure power modules
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and thermal characteristics. Ensure compatibility with your PCB footprint as package variations may exist within the series. Cross-reference the datasheet revision date to validate electrical parameters before finalizing procurement decisions.
Selection Notes
Select this component when design constraints require multiple distinct voltage conversions from a single source without using separate ICs. Evaluate the maximum switch current rating against peak load requirements. Consider the synchronization feature if operating near sensitive analog circuits to minimize electromagnetic interference.
Part Context
This part belongs to the LT8471 family of dual multitopology converters. It shares core architectural features with other devices in the series but differs in package type and thermal performance specifications. The family is designed to reduce bill-of-materials complexity by consolidating multiple converter functions into a compact solution.
Replacement Considerations
LT8471EFE#PBF is a confirmed leaded alternative offering identical electrical functionality in a through-hole package. Verify thermal dissipation requirements when substituting between surface-mount and leaded packages.
