LTC3649EUFD#TRPBF

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LTC3649EUFD#TRPBF

IC REG BUCK ADJUSTABLE 4A 28QFN

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Spécifications

Package Tape & Reel (TR)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3.1V
Voltage-Input(Max) 60V
Voltage-Output(Min/Fixed) 0V
Voltage-Output(Max) 55V
Current-Output 4A
Frequency-Switching 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

Vue d'ensemble

Description

The LTC3649EUFD#TRPBF is a high-efficiency, monolithic step-down DC/DC converter designed by Analog Devices. It can handle input voltages ranging from 3.1V to 60V and provide output voltages from 0V to 100% of the input voltage. The chip delivers up to 4A of continuous output current, making it suitable for a wide range of power applications. It features a programmable switching frequency between 300kHz and 3MHz, allowing for optimization between efficiency and component size.
One of the key features of the LTC3649 is its Burst Mode® operation, which ensures high efficiency at light loads. It also includes soft-start capability and a power good output, which can help in managing power sequencing in complex systems. The device is housed in a compact 4mm x 5mm DFN package, making it ideal for space-constrained applications. The LTC3649 is commonly used in industrial, automotive, and communications applications where high efficiency and reliability are critical.

Features

The LTC3649EUFD#TRPBF is a high-voltage, high-efficiency synchronous step-down DC/DC converter from Analog Devices. Key features include:
1. Wide Input Voltage Range: Operates from 3.1V to 60V input voltage, suitable for a variety of applications.
2. Output Voltage: Can deliver an adjustable output voltage ranging from 0V to 0.99 times the input voltage.
3. Output Current: Offers up to 4A output current capability.
4. High Efficiency: Achieves efficiencies up to 99% with synchronous rectification.
5. Quiescent Current: Features a low quiescent current of 12µA, making it suitable for battery-powered applications.
6. Switching Frequency: Adjustable switching frequency from 300kHz to 3MHz, allowing optimization for size or efficiency.
7. Protection Features: Includes over-temperature, over-current, and short-circuit protections to ensure reliable operation.
8. Package: Available in a compact 4mm x 5mm QFN package, facilitating design in space-constrained applications.
These features make the LTC3649EUFD#TRPBF ideal for industrial, automotive, and distributed power systems that require high efficiency and reliability.

Package

The LTC3649EUFD#TRPBF is a step-down (buck) regulator integrated circuit from Analog Devices, housed in a 3mm x 5mm DFN (Dual Flat No-leads) package. The "EUFD" denotes a thermally enhanced plastic package, and the "#TRPBF" indicates it is tape and reel packaging for automated assembly with lead-free, RoHS-compliant finish.

Pinout

The LTC3649EUFD#TRPBF is a high-efficiency, monolithic synchronous step-down regulator from Analog Devices. It comes in a 4mm x 5mm 28-lead (pin) plastic QFN package. The device is designed to handle input voltages up to 60V and delivers output currents up to 4A. The regulator's primary function is to convert a higher input voltage to a lower, regulated output voltage with high efficiency, suitable for various applications requiring a compact and reliable power supply solution. The part number LTC3649EUFD#TRPBF indicates the specific variant and its packaging, with the "TRPBF" suffix denoting that it is lead-free and comes in tape and reel packaging for automated assembly.

Manufacturer

The LTC3649EUFD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including communications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is known for its focus on high-performance products that bridge the physical and digital worlds, offering solutions that process real-world phenomena like sound, light, temperature, and motion.

Application

The LTC3649EUFD#TRPBF is a high efficiency, high voltage monolithic synchronous buck regulator. Its applications include industrial and automotive power systems, telecommunications equipment, distributed power systems, and general-purpose step-down conversion from high voltage sources. It is suitable for applications requiring a wide input voltage range and precise output voltage regulation.

Equivalent

The LTC3649EUFD#TRPBF is a high-efficiency, step-down DC/DC converter. Equivalent products include:
1. Texas Instruments LMR33630
2. Maxim Integrated MAX17503
3. Analog Devices ADP2442
4. Microchip Technology MCP16331
5. Infineon IR3894
These alternatives offer similar functionalities in terms of efficiency and output, though specific features and parameters may vary. Always verify compatibility with your application's requirements.

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.

Paiements

Payment Methods

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