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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.6A DL 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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)：23.25V
- Current - Output：1.6A
- Frequency - Switching：575kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- 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 LT3506IFE#TRPBF is a dual synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6V to 25V and provides two adjustable output channels, each capable of delivering up to 1.6A. The device integrates high-side and low-side power switches within a compact 16-lead TSSOP package with an exposed pad. It features a fixed switching frequency of 1.1MHz, allowing for the use of small external inductors and capacitors. The regulator supports a minimum output voltage of 0.8V and includes internal soft-start functionality to limit inrush current during startup.
Feature Summary
- Integrates dual independent synchronous buck converters with integrated power switches
- Supports wide input voltage range suitable for various bus architectures
- Features fixed high-frequency operation to minimize passive component size
- Includes internal soft-start control to manage startup transients
Applications
- Point-of-load regulation for digital signal processors
- Power distribution networks in industrial equipment
- Voltage regulation for communication infrastructure modules
- Battery-powered systems requiring efficient step-down conversion
Procurement Notes
Verify the specific suffix TRPBF indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier provides valid traceability records. Cross-reference the full part number with the latest datasheet revision to confirm pinout and electrical specifications match design requirements.
Selection Notes
Select this component when dual isolated or non-isolated outputs are required from a single input source. The 1.1MHz switching frequency offers a balance between efficiency and component size. Consider thermal performance due to the exposed pad requirement for heat dissipation. Evaluate input voltage stability against the specified 3.6V minimum threshold. Compare total solution cost including inductor and capacitor selection against alternative regulators.
Part Context
This part belongs to the LT3506 family of dual synchronous buck converters. It shares architectural similarities with other LTpower devices but is distinct in its dual-channel configuration and specific 1.6A per channel rating. The IFE suffix denotes the TSSOP-16 package variant. It serves as a power management solution for applications needing multiple regulated rails from a common intermediate bus voltage.
Replacement Considerations
LT3506IFE#PBF is the tube-packaged equivalent of this component. LT3506AEFE#PBF represents an advanced grade variant within the same functional family. Verify pin compatibility and electrical parameter alignment before substituting.
