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Product Detailed Parameters
- Description：IC REG FLYBACK 3.6A 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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 ~ 125°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 LT8302ES8E-3#PBF is a high-voltage isolated flyback switching regulator from Analog Devices. It operates with an input voltage range of 2.8V to 42V and delivers up to 3.6A output current at voltages up to 65V. The device features ultra-low quiescent current of 380µA and supports switch frequencies down to 12.7kHz. Designed for space-constrained applications, it utilizes an SOIC-8 package with exposed pad.
Feature Summary
- Eliminates the need for optocouplers and error amplifiers through proprietary no-opto isolation control architecture
- Provides galvanic isolation between primary and secondary sides while maintaining precise regulation
- Supports wide input voltage ranges suitable for industrial and automotive power supply designs
Applications
- Industrial power supplies requiring isolated outputs
- Automotive electronics systems needing compact isolated DC-DC conversion
- Battery-powered equipment utilizing low quiescent current operation
Procurement Notes
Verify the specific suffix #PBF indicates lead-free tape and reel packaging compatibility. Confirm that the ES8E designation matches the required temperature grade and package variant for your design. Ensure component authenticity through authorized distribution channels to avoid counterfeit risks associated with high-volume PMIC components.
Selection Notes
Select this part when board space is limited and traditional optocoupler-based feedback loops are undesirable. The integrated controller simplifies transformer design by removing external compensation networks. Consider thermal performance requirements due to the small SOIC-8 footprint handling significant power levels.
Part Context
This component belongs to the LT8302 family of high-voltage isolated flyback controllers. It integrates the controller, driver, and isolation barrier into a single monolithic IC. The series targets applications demanding high reliability and minimal component count in isolated power conversion topologies.
Replacement Considerations
LT8302IS8E-3#PBF serves as the industrial temperature grade equivalent. LT8302HS8E-3#PBF offers extended temperature range options. Verify pinout compatibility and electrical specifications before substituting across different temperature grades within the same product family.
