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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 10DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.6V
- Voltage - Input (Max)：34V
- Voltage - Output (Min/Fixed)：1.265V
- Voltage - Output (Max)：20V
- Current - Output：2A
- Frequency - Switching：300kHz ~ 3MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
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Overview
The LT3684EDD#TRPBF is a monolithic buck switching regulator from Analog Devices Inc., designed for high-efficiency step-down conversion. It accepts input voltages up to 34V, with a maximum rating of 36V. The device features an adjustable switching frequency ranging from 300kHz to 2.8MHz, allowing optimization for size and performance. It delivers a continuous output current of 2A and provides a positive adjustable output voltage starting at 1.265V. Packaged in a 10-pin WFDFN with an exposed pad, it integrates synchronous rectification to minimize external component count and enhance efficiency in space-constrained applications.
Feature Summary
- Integrates synchronous rectification for improved power conversion efficiency
- Features adjustable switching frequency between 300kHz and 2.8MHz
- Accepts wide input voltage range up to 36V maximum
- Delivers 2A continuous output current in a compact surface-mount package
Applications
- Automotive electronics systems requiring robust voltage regulation
- Portable battery-powered devices needing efficient DC-DC conversion
- Industrial equipment utilizing distributed power architectures
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the operating temperature range and thermal requirements align with the target application environment. Ensure compatibility with the required input and output voltage specifications before finalizing procurement decisions.
Selection Notes
Select this component when a wide input voltage range up to 36V is required alongside a 2A output capability. The adjustable frequency feature allows designers to optimize the trade-off between physical component size and electromagnetic interference levels. Consider the thermal performance of the exposed pad DFN package for effective heat dissipation in dense layouts.
Part Context
This part belongs to the LT3684 family of buck regulators, which are engineered for high-frequency operation and efficiency. The ED variant specifies the commercial temperature grade and specific pinout configuration. The TRPBF suffix denotes the reel-based packaging format suitable for automated surface-mount assembly processes.
Replacement Considerations
Direct substitutes may include other Analog Devices buck regulators with similar 36V input ratings and 2A output capabilities, such as variants within the LT368x series. Verify pin-to-pin compatibility and electrical parameter overlaps before implementing any cross-reference solution.
