LT8646SIV#PBF

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LT8646SIV#PBF

IC REG BUCK ADJUSTABLE 8A 32LQFN

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Spécifications

Package Tray
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 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
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 32-TFQFN Exposed Pad

Vue d'ensemble

Description

The LT8646SIV#PBF is a high-efficiency, monolithic step-down switching regulator from Analog Devices. It is designed to deliver up to 10A of continuous output current with a wide input voltage range from 3.4V to 65V, making it suitable for automotive, industrial, and other high-voltage applications. The regulator operates with a low quiescent current and features Burst Mode operation for high efficiency at light loads. It boasts a fast minimum on-time of just 40ns, enabling high step-down ratios even at high switching frequencies.
The LT8646SIV#PBF incorporates Silent Switcher 2 technology, which minimizes EMI emissions and allows for simplified EMI filtering, meeting stringent automotive EMI requirements. It integrates MOSFETs, a high-performance controller, and compensation components, facilitating a compact, simplified design. The device offers features like adjustable and synchronizable switching frequency, a power good flag, and overtemperature protection. It is available in a thermally enhanced 4mm x 4mm LQFN package. This combination of features makes it a versatile choice for designers seeking a reliable and efficient power management solution.

Features

The LT8646SIV#PBF is a compact, high-efficiency synchronous step-down regulator from Analog Devices. Key features include:
1. Wide Input Voltage Range: 3.4V to 65V, accommodating a variety of applications including automotive and industrial systems.

2. High Efficiency: Up to 94% efficiency, with a 6A continuous output current capability.
3. Low Quiescent Current: 2.5µA in Burst Mode® operation, suitable for battery-operated devices.
4. Fast Transient Response: Ensures stable output under rapid load changes.
5. Silent Switcher® Architecture: Minimizes electromagnetic interference (EMI) and reduces required external filtering.
6. Adjustable and Fixed Output Options: Provides flexibility to match specific voltage requirements.
7. Compact Footprint: Available in a small 4mm × 4mm QFN package, enabling space-constrained designs.
8. Protection Features: Includes thermal shutdown, short-circuit protection, and UVLO (Undervoltage Lockout).
9. Operating Frequency: Programmable from 200kHz to 3MHz, allowing optimization between size and efficiency.
These features make the LT8646SIV#PBF ideal for applications demanding high efficiency, compactness, and low EMI.

Package

The LT8646SIV#PBF is an automotive-grade synchronous step-down regulator from Analog Devices, typically packaged in a 4mm x 4mm LQFN (Leadless Quad Flatpack No-lead) package. This package is designed for efficient heat dissipation and compact circuit designs.

Pinout

The LT8646SIV#PBF is a 42V, 8A synchronous step-down switching regulator from Analog Devices, part of the Silent Switcher 2 family. It features a 32-lead (pins) package configuration. Its primary function is to efficiently step down higher voltage inputs to lower voltage outputs, making it suitable for automotive, industrial, and other high-performance applications.
The device incorporates Silent Switcher 2 design techniques to minimize electromagnetic interference (EMI), making it ideal for noise-sensitive environments. It supports a wide input voltage range and offers fast transient response, low dropout operation, and high efficiency at light loads. Other features include a power good flag, short-circuit protection, and thermal shutdown.
This regulator is designed to simplify power management in complex systems and deliver optimal performance with minimal external components.

Manufacturer

The LT8646SIV#PBF is manufactured by 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 used in electronic equipment. The company serves a wide range of industries, including automotive, communications, industrial, healthcare, and consumer electronics. Known for its innovation and engineering expertise, Analog Devices provides solutions for efficient signal processing and power management.

Application

The LT8646SIV#PBF is a step-down regulator IC primarily used in power management applications. Its application areas include automotive systems, industrial equipment, telecommunications, and computing devices where efficient power conversion and low EMI are essential. It's suitable for powering microprocessors, FPGAs, and other digital systems, as well as for use in battery-operated devices due to its high efficiency and burst mode operation, which extends battery life.

Equivalent

The LT8646SIV#PBF is a high-efficiency step-down regulator from Analog Devices. Equivalent products include:
1. Texas Instruments TPS54360 – a 60V, 3.5A step-down converter.
2. Maxim Integrated MAX17502 – a 60V, 2.5A step-down DC-DC converter.
3. Monolithic Power Systems MP4560 – a 60V, 3A step-down regulator.
4. ON Semiconductor NCP45560 – a 60V, 3A buck converter.
Ensure compatibility with your specific application requirements when selecting alternatives.

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

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