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Product Detailed Parameters
- Description：IC REG BST SEPIC ADJ 3A 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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#PBF is a high-efficiency DC-DC switching regulator from Analog Devices, designed for step-up and SEPIC applications. It operates with an input voltage range of 2.8V to 17.5V and delivers up to 3A of output current. The device features a fixed switching frequency of 800kHz, enabling the use of small external components. It includes adjustable output voltage capability, shutdown functionality, and thermal protection. Packaged in a 16-pin TSSOP with exposed pad, it supports operation temperatures from -40°C to +125°C.
Feature Summary
- Integrated boost and SEPIC topology for flexible input-output configurations
- High switching frequency reduces passive component size
- Low quiescent current enhances battery life in portable designs
- Built-in thermal regulation protects against overheating
Applications
- Battery-powered portable electronics
- Industrial control systems requiring isolated or non-isolated power conversion
- Automotive infotainment and sensor modules
- Telecommunications equipment power supplies
Procurement Notes
Verify the exact suffix (e.g., #PBF) to confirm lead-free compliance and package type. Confirm availability through authorized distributors as supply status may vary. Ensure the ordering information matches the required temperature grade and pin configuration for your PCB layout.
Selection Notes
Select this component when a compact solution for boosting low input voltages is needed. Consider the 800kHz frequency for smaller inductors compared to lower-frequency alternatives. Verify that the 3A peak current meets load requirements under worst-case input conditions. Check thermal performance in the final enclosure design.
Part Context
Part of the LT343x family of high-performance switching regulators. Designed for applications demanding high efficiency and small footprint. Complements other PMIC solutions by providing robust voltage conversion in a single IC. Commonly used where space constraints limit component count.
Replacement Considerations
LT3439EFE#PBF offers similar functionality but with different current ratings and frequency characteristics. Verify pin compatibility and electrical specifications before substitution. Consult official cross-reference guides for validated replacements.
