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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.6A DL 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：3.6V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：22V
- Current - Output：1.6A
- Frequency - Switching：1.1MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-TSSOP-EP
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Overview
The LT3506AEFE#PBF is a dual monolithic step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6 V to 25 V and provides two adjustable output channels, each capable of delivering up to 1.6 A. The device utilizes a buck topology with a fixed switching frequency of 1.1 MHz. It features a quiescent current of 3.8 mA and functions within a temperature range of -40°C to +85°C. The component is housed in a 16-pin TSSOP package with an exposed pad for thermal management.
Feature Summary
- Dual-channel architecture with internal power switches for independent or combined output configurations
- Synchronized operation using opposite phases to minimize input ripple current
- Current mode PWM control for stable regulation across varying load conditions
Applications
- Multi-rail power distribution systems requiring simultaneous low-voltage outputs
- Industrial equipment power supplies with wide input voltage ranges
- Embedded systems needing compact dual-output DC-DC conversion
Procurement Notes
Verify the specific suffix AEFE against official Analog Devices documentation to confirm the exact temperature grade and package variant. Ensure compatibility with the target PCB footprint for the 16-TSSOP-EP configuration. Cross-reference the datasheet revision date to validate electrical characteristics before finalizing procurement specifications.
Selection Notes
Select this component when dual isolated or non-isolated buck converters are required from a single input source. The 1.6 A per channel rating suits moderate power applications. Consider the 1.1 MHz switching frequency for balancing efficiency and external component size. Verify that the 25 V maximum input voltage aligns with the system supply rails.
Part Context
This part belongs to the LT3506 family of dual synchronous buck regulators. It shares functional similarities with the LT3506IFE#PBF but differs in package type and potentially temperature grading. The series is designed for applications requiring high efficiency and low noise in space-constrained environments.
Replacement Considerations
LT3506IFE#PBF offers identical electrical performance in a TSSOP package. LT3506AEDHD#PBF provides the same functionality in a DFN package. Verify pinout compatibility and thermal dissipation requirements when substituting these variants.
