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Home Product LTC3649EUFD#PBF 60V 20A Synchronous Step-Down DC/DC Converter, Analog Devices, High Efficiency, Automotive
LTC3649EUFD#PBF

LTC3649EUFD#PBF 60V 20A Synchronous Step-Down DC/DC Converter, Analog Devices, High Efficiency, Automotive

LTC3649EUFD
Synchronous Buck Regulator
High Voltage DC/DC Converter
LTC3649EUFD#PBF
The LTC3649EUFD is a high-efficiency synchronous buck regulator designed for high-voltage DC/DC conversion, delivering up to 4A output current with wide 4V-60V input range. Ideal for industrial and automotive power systems requiring compact, reliable voltage regulation.
Categories:Electronic components
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Product Description

The LTC3649EUFD is a high-efficiency Synchronous Buck Regulator designed as a High Voltage DC/DC Converter, supporting input voltages up to 60V and delivering output currents up to 4A. It features a single input and adjustable output voltage, ideal for direct integration into power systems requiring stable voltage conversion in harsh environments. Operating across a temperature range of -40°C to 125°C, it is optimized for industrial applications such as automotive electronics, telecommunications, and industrial automation. The device includes fault protection, soft-start functionality, and enables compact designs with its thermally enhanced 4mm × 5mm QFN package. Advantages include high efficiency (up to 95%) and minimal external components, though precise PCB layout is critical for noise-sensitive applications. Communication interfaces are limited to standard control signals (EN, PGOOD), with no onboard protocol support.
| Parameter | Specification ||-----------------------------|--------------------------------------|| Part Number | LTC3649EUFD#PBF || Topology | Synchronous Buck Regulator || Input Voltage Range | 4.5V to 60V || Output Voltage Range | Adjustable down to 0.8V || Maximum Output Current | 8A || Efficiency (Typical) | 95% at 12VIN, 5VOUT, 5A || Switching Frequency | 200kHz to 2MHz (Programmable) || Operating Temperature Range | -40°C to 125°C || Package Type | QFN-24 (4mm × 5mm) || Features | High Voltage DC/DC Converter || | Integrated Power MOSFETs || | Programmable Soft-Start || | Output Voltage Tracking || Protection Features | Overcurrent, Overtemperature, UVLO || Applications | Industrial Power Systems || | Telecom Infrastructure || | Automotive Power Supplies |
question:Why should we choose your company to purchase from?
answer:As Asia's leading industrial automation supplier with 20+ years of proven reliability, 85% repeat clients trust our quality and reputation.
question:Why can other suppliers source discontinued models you cannot provide?
answer:We prioritize quality control and avoid outdated inventory. Others may resell old stock without reliability guarantees or documentation.
question:Why do you charge handling fees?
answer:Fees cover rigorous QA, logistics coordination, and post-sale support to ensure safe delivery and long-term product performance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why should we choose your company to purchase from?
answer:As Asia's leading industrial automation supplier with 20+ years of proven reliability, 85% repeat clients trust our quality and reputation.
question:Why can other suppliers source discontinued models you cannot provide?
answer:We prioritize quality control and avoid outdated inventory. Others may resell old stock without reliability guarantees or documentation.
question:Why do you charge handling fees?
answer:Fees cover rigorous QA, logistics coordination, and post-sale support to ensure safe delivery and long-term product performance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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