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Product Detailed Parameters
- Description：IC REG BST SEPIC ADJ 3A 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：35V (Switch)
- Current - Output：3A (Switch)
- Frequency - Switching：800kHz
- Synchronous Rectifier：No
- Operating Temperature：0°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 LT3436EFE#TRPBF is a monolithic boost switching regulator manufactured by Analog Devices Inc. It operates at a fixed 800kHz frequency and integrates a high-efficiency 3A power switch with a low on-resistance of 0.1 ohms. The device supports an input voltage range from 3V to 25V, delivering an adjustable output voltage up to 34V. It is housed in a 16-pin TSSOP package with exposed pad (EP) for thermal management. This component functions as a SEPIC or boost converter, suitable for applications requiring compact power solutions with minimal external components.
Feature Summary
- Integrates a high-efficiency 3A power switch with low on-resistance to minimize external component count.
- Operates at a fixed 800kHz switching frequency, enabling the use of small surface-mount inductors.
- Supports both boost and SEPIC topologies for flexible input-to-output voltage conversion.
Applications
- DSL line drivers
- Portable instrumentation
- Battery-powered systems requiring step-up conversion
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches the exact electrical specifications required for your design, particularly the 3A current rating and 800kHz frequency. Cross-reference with official distributor catalogs to ensure authenticity and correct revision level.
Selection Notes
Select this component when a compact boost or SEPIC solution is needed with integrated high-current switching capability. The fixed 800kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 16-TSSOP-EP package for thermal performance if operating near the maximum current limits. Verify input voltage ranges align with the 3V to 25V specification.
Part Context
The LT3436 belongs to Analog Devices' family of high-efficiency switching regulators designed for space-constrained applications. It complements other DC/DC converters by offering a robust 3A output stage in a small footprint. The series is characterized by its ability to drive loads directly while maintaining high efficiency across varying input conditions.
Replacement Considerations
Check for direct pin-compatible replacements within the Analog Devices portfolio that offer similar current ratings and switching frequencies. Verify that any substitute supports the required boost or SEPIC topology and operates within the same input voltage range of 3V to 25V.
