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LT8641HUDC#TRPBF
+BOMIC REG BUCK ADJ 3.5A 20QFN
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LT8641HUDC#TRPBF
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Bảng dữ liệu LT8641HUDC#TRPBF DataSheet
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Gói QFN-18
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 65V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 64.35V |
| Current - Output | 3.5A |
| Frequency - Switching | 210kHz ~ 2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The LT8641HUDC#TRPBF is a high-efficiency, monolithic step-down switching regulator from Analog Devices, part of the Silent Switcher® family. It is designed to deliver up to 3.5A of continuous output current, with a wide input voltage range from 3V to 42V, making it suitable for automotive, industrial, and other demanding applications. The device features a low quiescent current and uses a unique Silent Switcher architecture to minimize electromagnetic interference (EMI) and reduce noise in sensitive environments.
Key features of the LT8641 include fast minimum on-time, allowing high step-down ratios even at high switching frequencies, and a low dropout mode for extending battery life. The regulator also provides high efficiency over a wide load range, aided by its integrated high-speed power switches and low-resistance package. Additional features include thermal shutdown, short-circuit protection, and a programmable undervoltage lockout. The #TRPBF suffix indicates a specific product variant with certain packaging and lead-free compliance, suitable for environmentally-conscious applications.
Key features of the LT8641 include fast minimum on-time, allowing high step-down ratios even at high switching frequencies, and a low dropout mode for extending battery life. The regulator also provides high efficiency over a wide load range, aided by its integrated high-speed power switches and low-resistance package. Additional features include thermal shutdown, short-circuit protection, and a programmable undervoltage lockout. The #TRPBF suffix indicates a specific product variant with certain packaging and lead-free compliance, suitable for environmentally-conscious applications.
Equivalent
The LT8641HUDC#TRPBF is a high-efficiency step-down regulator from Analog Devices. Equivalent products from other manufacturers might include:
1. Texas Instruments: TPS54360, a 3.5 A, 60 V step-down regulator.
2. Microchip: MCP16331, a 36V, 1A Synchronous Buck Regulator.
3. ON Semiconductor: NCP3170, a 3A buck converter.
While these have similar functionalities, check specific requirements like input/output voltage, current rating, and efficiency for compatibility.
1. Texas Instruments: TPS54360, a 3.5 A, 60 V step-down regulator.
2. Microchip: MCP16331, a 36V, 1A Synchronous Buck Regulator.
3. ON Semiconductor: NCP3170, a 3A buck converter.
While these have similar functionalities, check specific requirements like input/output voltage, current rating, and efficiency for compatibility.
Features
The LT8641HUDC#TRPBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator. Key features include:
1. Input Voltage Range: Operates from 3V to 65V, making it suitable for automotive and industrial applications.
2. Output Current: Capable of delivering up to 3.5A of continuous output current.
3. Efficiency: Offers high efficiency with peak levels over 95% due to its synchronous rectification and advanced design.
4. Switching Frequency: Adjustable from 200kHz to 3MHz, allowing for optimization between efficiency and component size.
5. Low Quiescent Current: Consumes very low quiescent current, enhancing battery life in portable applications.
6. Silent Switcher Architecture: Minimizes EMI emissions, simplifying compliance with EMI standards.
7. Fast Transient Response: Optimal for applications requiring fast transient response due to its quick minimum on-time and fast switching.
8. Protection Features: Includes over-temperature protection, short-circuit protection, and programmable undervoltage lockout (UVLO).
9. Package: Available in a compact, thermally enhanced 3mm x 4mm DFN package.
These features make it a versatile choice for efficient power management in a variety of electronics.
1. Input Voltage Range: Operates from 3V to 65V, making it suitable for automotive and industrial applications.
2. Output Current: Capable of delivering up to 3.5A of continuous output current.
3. Efficiency: Offers high efficiency with peak levels over 95% due to its synchronous rectification and advanced design.
4. Switching Frequency: Adjustable from 200kHz to 3MHz, allowing for optimization between efficiency and component size.
5. Low Quiescent Current: Consumes very low quiescent current, enhancing battery life in portable applications.
6. Silent Switcher Architecture: Minimizes EMI emissions, simplifying compliance with EMI standards.
7. Fast Transient Response: Optimal for applications requiring fast transient response due to its quick minimum on-time and fast switching.
8. Protection Features: Includes over-temperature protection, short-circuit protection, and programmable undervoltage lockout (UVLO).
9. Package: Available in a compact, thermally enhanced 3mm x 4mm DFN package.
These features make it a versatile choice for efficient power management in a variety of electronics.
Pinout
The LT8641HUDC#TRPBF is a monolithic, step-down switching regulator from Analog Devices with a focus on high efficiency and compact design. It features 18 pins. The key functions of the LT8641 include:
1. High Efficiency: It uses synchronous rectification to achieve high efficiency at high frequencies.
2. Fast Transient Response: With its Silent Switcher architecture, it provides fast transient response and low EMI emissions.
3. Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for various applications.
4. Adjustable Output Voltage: The output voltage can be finely adjusted to meet specific needs.
5. High Switching Frequency: It can operate at high frequencies, allowing for smaller external components and a more compact design.
6. Low Quiescent Current: Optimized for low quiescent current, it is suitable for applications requiring energy efficiency.
These characteristics make the LT8641 ideal for automotive, industrial, and other applications requiring a compact, efficient power supply solution.
1. High Efficiency: It uses synchronous rectification to achieve high efficiency at high frequencies.
2. Fast Transient Response: With its Silent Switcher architecture, it provides fast transient response and low EMI emissions.
3. Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for various applications.
4. Adjustable Output Voltage: The output voltage can be finely adjusted to meet specific needs.
5. High Switching Frequency: It can operate at high frequencies, allowing for smaller external components and a more compact design.
6. Low Quiescent Current: Optimized for low quiescent current, it is suitable for applications requiring energy efficiency.
These characteristics make the LT8641 ideal for automotive, industrial, and other applications requiring a compact, efficient power supply solution.
Manufacturer
The LT8641HUDC#TRPBF is manufactured by Analog Devices, Inc. This company is a prominent multinational corporation specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices serves various industries, including communications, computer, industrial, instrumentation, military/aerospace, automotive, and consumer electronics. Known for its high-performance signal processing technologies, the company offers products that are essential for converting real-world phenomena into usable digital formats for a wide range of applications.
Application
The LT8641HUDC#TRPBF is a synchronous step-down regulator designed for high efficiency and fast transient response. Its main application areas include:
1. Automotive Systems: Suitable for powering infotainment systems, advanced driver-assistance systems (ADAS), and other automotive electronics.
2. Industrial Equipment: Used in systems requiring reliable power management under varying loads and conditions.
3. Communications Infrastructure: Ideal for powering components in base stations and network equipment.
4. Consumer Electronics: Powers various consumer devices requiring efficient voltage regulation.
5. Computing Systems: Used in servers, desktop, and laptop computers for efficient power management.
These applications benefit from the regulator's high efficiency, low quiescent current, and wide input voltage range.
1. Automotive Systems: Suitable for powering infotainment systems, advanced driver-assistance systems (ADAS), and other automotive electronics.
2. Industrial Equipment: Used in systems requiring reliable power management under varying loads and conditions.
3. Communications Infrastructure: Ideal for powering components in base stations and network equipment.
4. Consumer Electronics: Powers various consumer devices requiring efficient voltage regulation.
5. Computing Systems: Used in servers, desktop, and laptop computers for efficient power management.
These applications benefit from the regulator's high efficiency, low quiescent current, and wide input voltage range.
Package
The LT8641HUDC#TRPBF is a step-down regulator with a package type of 24-Lead, 3mm × 4mm uQFN (ultra-thin Quad Flat No-leads).
