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Product Detailed Parameters
- Description：IC REG BOOST FLYBACK ADJ 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive or Negative, Isolation Capable
- Topology：Boost, Flyback, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：100V
- Voltage - Output (Min/Fixed)：1.6V, -0.8V
- Voltage - Output (Max)：140V (Switch)
- Current - Output：500mA (Switch)
- Frequency - Switching：100kHz ~ 500kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
- Supplier Device Package：16-MSOP-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LT8331IMSE#WPBF is a synchronous step-up, flyback, SEPIC, and inverting switching regulator IC manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5V to 100V and provides a single adjustable output from 1.6V or -0.8V up to 140V. The device features a 500mA switch current capability and supports switching frequencies between 100kHz and 500kHz. Packaged in a 16-lead MSOP with exposed pad (MSOP-EP), it is designed for high-voltage applications requiring flexible topology configurations.
Feature Summary
- Supports multiple converter topologies including boost, flyback, SEPIC, and inverting configurations within a single integrated circuit.
- Capable of handling high input voltages up to 100V while delivering regulated outputs up to 140V.
- Provides positive or negative output options with isolation capabilities suitable for diverse power management needs.
Applications
- Industrial sensor power supplies
- Automotive electronics systems
- Battery-powered equipment requiring wide input ranges
Procurement Notes
Verify the specific suffix #WPBF indicates lead-free RoHS compliance and tube packaging when ordering. Confirm that the IMSE variant corresponds to the industrial temperature grade (-40°C to 125°C). Ensure the 16-MSOP-EP footprint matches your PCB layout requirements before finalizing procurement specifications.
Selection Notes
Select this component when designing circuits that require flexibility in topology selection without changing the primary controller IC. It is suitable for applications needing high voltage tolerance and adjustable output levels. Consider the 500mA switch current limit when determining load requirements and external component stress ratings.
Part Context
This part belongs to the LT8331 family of low IQ synchronous regulators. It shares architectural similarities with other high-voltage converters but is distinct in its multi-topology support. The MSOP package offers a compact solution for space-constrained designs compared to larger QFN or SOIC alternatives.
Replacement Considerations
Direct substitutes include other LT8331 variants such as LT8331EMSE#WPBF for evaluation purposes. Cross-referencing with LT8331IMSE#WTRPBF is necessary if tape-and-reel packaging is required instead of tubes. Verify pinout compatibility before substituting.
