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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1A SOT23-5
- Series：-
- Mfr：Analog Technologies, Inc.
- Package：Bulk
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.5V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：1A
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The AT3408 is a high-efficiency monolithic synchronous buck regulator from Analog Technologies, Inc., utilizing a constant frequency current mode architecture. It provides a positive adjustable output voltage with a maximum output current of 1A. The device operates within an input voltage range up to 5.5V and supports a switching frequency of 1.5MHz. It is available in surface mount packages including SC-74A and SOT-753, designed for applications requiring compact power solutions.
Feature Summary
- High-efficiency monolithic synchronous buck topology
- Constant frequency current mode control architecture
- Positive adjustable output voltage configuration
Applications
- Portable electronic devices requiring efficient step-down regulation
- Battery-powered systems needing compact power management
- Embedded applications utilizing surface mount technology
Procurement Notes
Verify the specific package variant (SC-74A or SOT-753) required for your design, as availability may vary between distributors. Confirm that Analog Technologies, Inc. is the designated manufacturer for the component, distinguishing it from similar part numbers from other vendors such as Analog Devices. Ensure compatibility with your board layout constraints regarding the selected surface mount footprint.
Selection Notes
Select the AT3408 when a 1A synchronous buck converter with 1.5MHz operation is needed. Consider the 5.5V maximum input limit and adjustable output range during circuit design. Evaluate thermal performance requirements based on the chosen surface mount package type. Compare against alternatives if higher current capacity or different input voltage ranges are necessary for the target application.
Part Context
Analog Technologies, Inc. focuses on providing practical analog electronic solutions for engineers and development teams. The AT3408 belongs to their portfolio of voltage regulators and power management components. This series aims to deliver efficient power conversion in small form factors suitable for modern portable and embedded electronics designs.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should verify cross-reference data through official distributor channels or manufacturer specifications before attempting replacement.
