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Product Detailed Parameters
- Description：IC REG FLYBACK 420MA 16MSOP
- 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)：4.5V
- Voltage - Input (Max)：100V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：420mA
- Frequency - Switching：40kHz ~ 650kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width), 12 Leads
- Supplier Device Package：16-MSOP
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Overview
The LT3512HMS#TRPBF is a monolithic high voltage isolated flyback converter manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5 V to 40 V and delivers up to 1 A of output current. The device integrates a 60 V power switch and supports transformerless operation for low standby power applications. It features adjustable switching frequency from 100 kHz to 500 kHz, cycle-by-cycle current limiting, and thermal shutdown protection. Packaged in a 16-lead MSOP, it functions as a DC/DC controller suitable for automotive and industrial environments.
Feature Summary
- Integrates a high-voltage power switch with built-in cycle-by-cycle current limiting and thermal shutdown for robust fault protection.
- Supports transformerless operation modes to achieve ultra-low standby power consumption in disconnected or light-load conditions.
- Features adjustable switching frequency ranging from 100 kHz to 500 kHz to optimize efficiency and minimize electromagnetic interference.
- Includes internal soft-start capability to limit inrush current during startup and ensure stable regulation under varying load conditions.
Applications
- Automotive infotainment systems requiring isolated power rails
- Industrial control circuits needing galvanic isolation
- Battery-powered devices demanding low quiescent current operation
- Telecommunications equipment utilizing isolated DC/DC conversion
Procurement Notes
Verify the specific suffix and package variant against the official Analog Devices datasheet to confirm pinout compatibility and electrical specifications. Ensure that the ordering information matches the required temperature grade and RoHS compliance status. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement decisions.
Selection Notes
Select this component when designing isolated flyback converters requiring high input voltage tolerance and integrated power switching. Consider the adjustable frequency range for EMI optimization and the transformerless feature for standby power reduction. Evaluate the thermal performance within the MSOP package against the expected ambient operating conditions and heat dissipation requirements of the target application.
Part Context
This part belongs to the LT3512 series of high-voltage isolated flyback converters. It is designed to simplify the design of isolated power supplies by integrating the power switch and control logic into a single monolithic IC. The series targets applications where space constraints and efficiency are critical, offering a compact solution compared to discrete implementations.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative parts by comparing pin configurations, electrical parameters, and functional capabilities directly with the manufacturer's cross-reference data.
