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Product Detailed Parameters
- Description：IC REG BUCK ADJ QUAD 48LQFN
- Series：Silent Switcher®2
- Mfr：Analog Devices Inc.
- Package：Tray
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：4
- Voltage - Input (Min)：18V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.5V
- Voltage - Output (Max)：16.2V
- Current - Output：5A, 5A, 5A, 5A
- Frequency - Switching：400kHz ~ 3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-PowerTFQFN
- Supplier Device Package：48-LQFN (5x6)
- Grade：-
- Qualification：-
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Overview
The LT7200SAV#PBF is a Silent Switcher 2 quad step-down regulator manufactured by Analog Devices. It integrates four independent buck converters within an LQFN-48 package, delivering up to 5A per channel with a total phase current of 20A. The device operates from an input voltage range of 2.9V to 18V and supports adjustable switching frequencies between 400kHz and 3MHz. It features low quiescent current of 30µA and functions reliably across temperatures from -40°C to +125°C.
Feature Summary
- Integrates four independent high-efficiency synchronous buck regulators in a single monolithic package
- Utilizes proprietary Silent Switcher 2 technology to minimize radiated electromagnetic interference emissions
- Supports wide input voltage ranges suitable for various power distribution architectures
Applications
- Industrial automation systems requiring multi-rail power distribution
- Telecommunications infrastructure equipment
- Medical imaging devices with strict EMI requirements
Procurement Notes
Verify the specific suffix designation against official Analog Devices documentation to confirm pinout compatibility and thermal characteristics. Ensure that the LQFN-48 package dimensions align with your printed circuit board layout constraints. Confirm RoHS compliance status through the manufacturer's latest certification records before finalizing procurement specifications.
Selection Notes
Evaluate the total output current requirements against the combined 20A capability of the four channels. Consider the maximum operating temperature limits relative to your system's thermal environment. Assess whether the integrated Silent Switcher architecture sufficiently meets your electromagnetic interference mitigation goals compared to discrete solutions.
Part Context
This component belongs to the Silent Switcher family designed for applications demanding low noise performance. It serves as a compact alternative to using multiple discrete buck converters, reducing overall solution size while maintaining high efficiency. The integration simplifies design complexity for multi-voltage rail systems.
Replacement Considerations
Consult official Analog Devices substitution guides for verified alternatives. Cross-reference technical specifications carefully to ensure functional equivalence.
