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Part No LT8645SEV#PBF
Manufacturer Analog Devices Inc.

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Pricing & Ordering $5.9117 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
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Availability: 10,011 pieces
MOQ: 7 pcs
Order Increment : 1 pcs
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Products specifications

Category Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
Mfr Analog Devices Inc.
Series Silent Switcher®2
Package Tray
Product Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.4V
Voltage - Input (Max) 65V
Voltage - Output (Min/Fixed) 0.97V
Voltage - Output (Max) 12V
Current - Output 8A
Frequency - Switching 200kHz ~ 2.2MHz
Synchronous Rectifier Yes
Temperature Range - Operating -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 32-TFQFN Exposed Pad
Supplier Device Package 32-LQFN (6x4)
Base Product Number LT8645
Standard Package 490 pcs
MSL Level 3 (168 Hours)
REACH Status REACH Unaffected
HTSUS 8542.39.0001
Win Source Part Number 844036-LT8645SEV#PBF
Fake Threat In the Open Market 48pct.


Image of LT8645SEV#PBF

The LT8645SEV#PBF is a high-performance, synchronous step-down regulator from Analog Devices Inc., that boasts a wide input voltage range and the ability to deliver a continuous output current up to 8.5A. This cutting-edge component is designed to maintain a low electromagnetic emission and reduced noise, making it an ideal choice for sensitive applications where efficiency and reliability are crucial.

Key Features

  • Wide Input Voltage Range: Capable of operating with an input voltage range from 3.4V to 65V, the LT8645SEV#PBF accommodates a variety of supply voltages, ensuring versatility across different applications.
  • High Efficiency: With its synchronous rectification, the device is able to achieve up to 94% efficiency, reducing power loss and improving system performance.
  • Low EMI/EMC Emissions: It features Silent Switcher® technology to minimize electromagnetic interference, making it suitable for noise-sensitive applications without compromising performance.
  • Fast Minimum On-Time: The device can support high frequency switching that allows for a very low minimum on-time, making it ideal for high step-down ratio applications that require a small footprint and fast transient response.
  • Thermal Performance: The LT8645SEV#PBF is available in a high thermal performance 4mm x 6mm LQFN package, which aids in heat dissipation for reliable operation even at full load.


This regulator is well-suited for a wide range of applications, including but not limited to:

  • Automotive and industrial power supplies
  • General purpose point of load (POL) regulation
  • Telecommunications infrastructure
  • Datacom and storage systems
  • Medical and healthcare equipment

The LT8645SEV#PBF from Analog Devices Inc. represents a blend of high efficiency, robust performance, and low noise operation, making it a top-tier solution for demanding power regulation requirements across various industries.

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