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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 1.5A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.245V
- Voltage - Output (Max)：35V (Switch)
- Current - Output：1.5A (Switch)
- Frequency - Switching：250kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1373IS8#PBF is a monolithic DC/DC Cuk converter manufactured by Analog Devices Inc. It operates with a fixed switching frequency of 250 kHz and supports an input voltage range from 2.7 V to 30 V. The device provides an adjustable output voltage and delivers up to 1.5 A of output current. It features a shutdown function and maintains a low operating supply current of 1 mA. The component is housed in an 8-lead SOIC package and is rated for operation between -40°C and +125°C.
Feature Summary
- Supports multiple topologies including Buck, Boost, Cuk, Flyback, and Inverting configurations
- Integrates current mode switching regulation for stable performance
- Includes a dedicated shutdown pin for power management control
Applications
- General-purpose DC/DC conversion circuits
- Battery-powered equipment requiring efficient voltage regulation
- Industrial control systems utilizing isolated or inverted power rails
Procurement Notes
Verify the specific suffix IS8 against official documentation to confirm the package type and temperature grade. Ensure compatibility with the intended PCB footprint and thermal requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.
Selection Notes
Select this component when a versatile regulator supporting Cuk or Flyback topologies is required within a wide input voltage range. Consider the 250 kHz switching frequency for balancing efficiency and external component size. Verify that the 1.5 A current capability meets the load requirements and that the SOIC-8 package fits the design constraints.
Part Context
The LT1373 series represents a family of high-efficiency switching regulators designed for flexible topology implementation. This specific part number denotes the industrial temperature grade variant packaged in an 8-lead SOIC format. It serves as a core power management solution for applications demanding multi-topology support from a single integrated circuit.
Replacement Considerations
Consult official substitution guides for verified equivalents. Generic replacements may not support the same multi-topology flexibility or current ratings.
