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Product Detailed Parameters
- Description：IC MULTI CONF ADJ 1.25A 8CERDIP
- Series：*
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：-
- Output Configuration：-
- Topology：-
- Output Type：-
- Number of Outputs：-
- Voltage - Input (Min)：-
- Voltage - Input (Max)：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Frequency - Switching：-
- Synchronous Rectifier：-
- Operating Temperature：-
- Mounting Type：Through Hole
- Package / Case：8-CDIP (0.300", 7.62mm)
- Supplier Device Package：8-CERDIP
- Grade：-
- Qualification：-
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Overview
The LT1172CJ8 is a monolithic high-power switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3V to 60V and supports a switching frequency of 100kHz. The device integrates a high-current, high-efficiency internal switch capable of delivering up to 5A peak current, with continuous output currents of 2.5A or 1.25A depending on the configuration. It functions in standard topologies including buck, boost, flyback, forward, inverting, and Cuk converters. The component is housed in an 8-pin CERDIP package and features an operating junction temperature range from -55°C to 150°C.
Feature Summary
- Integrates a high-current, high-efficiency power switch with complete oscillator, control, and protection circuitry on a single die.
- Supports versatile operation across all standard switching configurations, including buck, boost, flyback, forward, inverting, and Cuk topologies.
- Designed for wide input voltage ranges and high thermal stability suitable for demanding industrial environments.
Applications
- Negative boost regulators
- Flyback converters
- General-purpose DC-DC conversion systems
Procurement Notes
Verify the specific suffix and package type against the official Analog Devices datasheet to ensure compatibility with your design requirements. Confirm availability status as supply conditions may vary. Ensure that the ordering information matches the exact electrical specifications and thermal characteristics required for your application before finalizing procurement.
Selection Notes
Select this component when a versatile, high-power switching regulator is needed for multiple topology implementations. Consider the 100kHz switching frequency and integrated switch capabilities for efficient power conversion. Evaluate the thermal performance and package constraints to ensure suitability for the target environment and board layout requirements.
Part Context
The LT1172 belongs to the LT117x family of monolithic high-power switching regulators, which also includes the LT1170 and LT1171. These devices share similar architectural features but differ in current handling capabilities and specific pinouts. The LT1172CJ8 variant specifically utilizes an 8-pin CERDIP package, distinguishing it from other package options available within the same product line.
Replacement Considerations
Consult official Analog Devices documentation for verified substitute part numbers. Ensure any replacement maintains compatibility with the required input voltage range, switching frequency, and package footprint. Verify that alternative components support the same switching configurations and thermal performance standards.
