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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.2A 10DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.6V
- Voltage - Input (Max)：37V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：37V
- Current - Output：1.2A
- Frequency - Switching：300kHz ~ 2.5MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
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Overview
The LT3686AIDD#TRPBF is a current mode PWM step-down DC/DC converter manufactured by Analog Devices Inc. It features an internal power switch and supports a wide input voltage range from 3.6V to 37V. The device provides a single adjustable output starting at 0.8V with a maximum output current of 1.2A. It is housed in a 10-WFDFN package with an exposed pad, designed for surface mount installation.
Feature Summary
- Integrates a high-efficiency current mode PWM controller with an internal power switch
- Supports wide input voltage ranges suitable for various bus voltages
- Provides adjustable output voltage capability down to low levels
Applications
- Point-of-load regulation for industrial equipment
- Power supply stages in distributed power architectures
- Battery-powered systems requiring efficient step-down conversion
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the DFN-10 package variant matches your PCB footprint requirements. Ensure compatibility with the 3.6V to 37V input range for your specific application voltage. Check for any regional distribution restrictions or limited availability status before finalizing procurement plans.
Selection Notes
Select this component when a compact solution is required for stepping down higher voltages to lower loads. The internal switch eliminates external MOSFET selection complexity. Consider the thermal performance of the exposed pad design for heat dissipation needs. Verify that the 1.2A current rating meets the peak load requirements of the target circuit without derating issues.
Part Context
This part belongs to the LT3686A series of buck converters from Analog Devices. It shares architectural similarities with other members like the LT3686AEMSE but differs in package type. The series focuses on providing high efficiency in small form factors for modern electronic designs requiring reliable power management.
Replacement Considerations
Direct substitutes include other parts within the LT3686A family such as LT3686AEMSE#PBF if package differences are acceptable. Cross-reference pinouts and thermal characteristics carefully when considering alternative manufacturers' components to ensure functional equivalence.
