LT8641HUDC#TRPBF

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LT8641HUDC#TRPBF

IC REG BUCK ADJ 3.5A 20QFN

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 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
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 20-WFQFN, 18 Leads, Exposed Pad

Vue d'ensemble

Description

The LT8641HUDC#TRPBF is a high-efficiency monolithic step-down regulator from Analog Devices, part of the Silent Switcher® family. It is designed to deliver up to 3.5A of continuous output current with minimal noise and high efficiency, making it suitable for noise-sensitive applications. The device operates over an input voltage range of 3V to 42V, allowing flexibility in various applications, including automotive, industrial, and telecommunications.
Key features include low quiescent current, fast minimum on-time, and the ability to operate at high switching frequencies, which allows the use of smaller external components. The Silent Switcher® architecture minimizes electromagnetic interference (EMI), making it compliant with stringent EMI standards. The LT8641HUDC#TRPBF also includes features like thermal protection, short-circuit protection, and a precision enable input that can be used for power sequencing.
Packaged in a compact, thermally enhanced 18-lead LQFN package, the regulator is ideal for applications requiring a compact footprint and efficient thermal management. Overall, the LT8641HUDC#TRPBF is well-suited for powering systems demanding low-noise power supplies without sacrificing efficiency or size.

Features

The LT8641HUDC#TRPBF is a high-efficiency, synchronous step-down regulator from Analog Devices. Key features include:
1. Input Voltage Range: Operates from 3V to 42V, making it suitable for a wide variety of applications, including automotive and industrial systems.
2. Output Current: Can deliver up to 3.5A of continuous output current.
3. Efficiency: High efficiency of up to 95%, which minimizes energy loss and heat generation.
4. Switching Frequency: Allows adjustable switching frequency from 200kHz to 3MHz, providing flexibility in design.
5. Low Quiescent Current: Features a low quiescent current of only 2.5µA, ideal for battery-operated and energy-sensitive applications.
6. Silent Switcher Technology: Minimizes electromagnetic interference (EMI), enhancing performance in noise-sensitive environments.
7. Thermal Performance: Comes in a thermally enhanced 4mm × 4mm QFN package, allowing effective heat dissipation.
8. Protection Features: Incorporates under-voltage lockout, over-temperature protection, and short-circuit protection to enhance reliability and safety.
9. Output Voltage: The output voltage can be programmed from 0.97V to 15V, supporting a wide range of load requirements.
These features make the LT8641HUDC#TRPBF an excellent choice for efficient power management in demanding applications.

Package

The LT8641HUDC#TRPBF is a monolithic step-down switching regulator from Analog Devices, integrated in a 3mm x 4mm Lead Frame Chip Scale Package (LFCSP) with a thermally enhanced plastic package, featuring exposed pads for improved thermal performance.

Pinout

The LT8641HUDC#TRPBF is a step-down (buck) switching regulator from Analog Devices. It is designed to provide high efficiency at high frequencies.
The LT8641HUDC is housed in a 3mm x 4mm BGA package and typically has a pin count of 18. However, the precise pin count and layout can vary slightly depending on the specific packaging and manufacturing processes used.
In terms of function, the LT8641 is designed to deliver up to 3.5A of continuous output current with input voltages ranging from 3V to 42V. It features a low quiescent current, fast transient response, and can achieve efficiencies over 95%, making it suitable for a range of applications like automotive, industrial, and communications equipment.
For exact pin configuration and functions, it's essential to refer to the manufacturer’s datasheet, as it provides detailed information on pin assignments, electrical characteristics, and recommended usage scenarios.

Manufacturer

The manufacturer of the LT8641HUDC#TRPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are widely used in various applications, including industrial, automotive, communications, healthcare, and consumer electronics. The company is known for its high-performance analog technology and plays a significant role in the development of products that bridge the physical and digital worlds.

Application

The LT8641HUDC#TRPBF is a high-efficiency, monolithic step-down switching regulator. Its application areas include automotive systems, industrial power supplies, communications equipment, and distributed supply regulation. It is well-suited for applications requiring high efficiency and fast transient response, such as automotive infotainment systems, battery-powered devices, and telecom power supplies. The device's capability to operate at high frequencies with low EMI emissions makes it ideal for noise-sensitive applications.

Equivalent

The LT8641HUDC#TRPBF is a step-down (buck) regulator from Analog Devices. Equivalent products from other manufacturers include the Texas Instruments LMR33630, the Microchip MIC28514, and the Infineon TLF50221EL. These are also high-efficiency, synchronous buck converters designed for similar applications and voltage ranges. Always check the specific parameters and performance characteristics to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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