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Product Detailed Parameters
- Description：IC REG FLYBACK 3.6A 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up/Step-Down
- Output Configuration：Positive or Negative, Isolation Capable
- Topology：Flyback
- Output Type：-
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：65V (Switch)
- Current - Output：3.6A
- Frequency - Switching：Down to 12kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
- Grade：-
- Qualification：-
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Overview
The LT8302HS8E-3#TRPBF is an automotive-grade, isolated flyback switching regulator from Analog Devices. It supports input voltages from 3V to 42V and delivers up to 3.6A switch current with a maximum output voltage of 65V. The device operates at a switch frequency adjustable down to 12kHz and functions within a junction temperature range of -40°C to 150°C. Packaged in an 8-SOIC with exposed pad, it provides positive or negative isolated outputs without requiring an optocoupler.
Feature Summary
- Eliminates the need for optocouplers and feedback windings through integrated primary-side regulation
- Supports high-voltage isolated flyback topologies with wide input voltage capability
- Features adjustable low-frequency operation to minimize acoustic noise in sensitive applications
Applications
- Automotive battery management systems requiring galvanic isolation
- Industrial control interfaces needing isolated power supplies
- Medical equipment utilizing isolated DC-DC conversion
Procurement Notes
Verify that the specific suffix matches the required thermal grade and packaging format. Confirm AEC-Q100 qualification status if automotive compliance is mandatory. Ensure the 8-SOIC-EP footprint aligns with the PCB layout requirements for thermal dissipation. Cross-reference the datasheet revision to confirm pinout consistency before finalizing procurement orders.
Selection Notes
Select this component when primary-side regulation is preferred to reduce bill of materials cost and board space. The wide input range accommodates various bus architectures. The exposed pad package requires careful thermal design to maintain reliability within the specified 150°C junction limit under heavy load conditions.
Part Context
This part belongs to the LT8302 family of no-opto isolated flyback converters. It shares core functionality with variants like the ES and IS series but offers extended industrial/automotive temperature ratings. The HS designation indicates specific performance characteristics tailored for demanding environments compared to standard commercial grades.
Replacement Considerations
LT8302ES8E-3#TRPBF and LT8302IS8E-3#PBF are electrically similar but differ in temperature rating and packaging. Verify that the lower thermal limits of these alternatives meet the application's operational requirements.
