LT8609SIV#PBF

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LT8609SIV#PBF

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IC REG BUCK ADJUSTABLE 2A 16LQFN

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Especificações

Atributo Valor
Package Tray
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 42V
Voltage-Output(Min/Fixed) 0.782V
Voltage-Output(Max) 42V
Current-Output 3A
Frequency-Switching 200kHz ~ 2.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-TFQFN Exposed Pad

Visão Geral

Description

The LT8609SIV#PBF is a high-efficiency, monolithic step-down switching regulator from Analog Devices. It's designed to deliver up to 2A of continuous output current with input voltages ranging from 3V to 42V, making it suitable for a wide range of applications, including automotive and industrial systems. The device uses a synchronous rectification architecture, which improves efficiency, especially during light-load conditions. The LT8609S features a fast minimum on-time of just 30ns, allowing high step-down ratios even at high switching frequencies. The internal high-speed error amplifier ensures fast transient response and excellent line and load regulation.
Key features include low ripple Burst Mode® operation for high efficiency at low output currents, a quiescent current of only 2.5µA, and a programmable undervoltage lockout. It also includes integrated compensation and soft-start circuitry to minimize external components. The LT8609S is offered in a thermally enhanced 16-lead MSOP package with a compact footprint, ensuring efficient thermal management in space-constrained applications. Overall, the LT8609SIV#PBF is ideal for efficient power conversion in demanding environments.

Equivalent

The LT8609SIV#PBF is a high-efficiency, step-down switching regulator. Equivalent products include:
1. MP2459 from Monolithic Power Systems - 1.5A, 42V, high-efficiency step-down converter.
2. LMR16006 from Texas Instruments - 0.6A, 60V step-down regulator.
3. AP63203 from Diodes Incorporated - 2A, 36V synchronous buck converter.
4. LMR33630 from Texas Instruments - 3A, 36V step-down regulator.
Ensure to verify compatibility in terms of electrical parameters and package options.

Features

The LT8609SIV#PBF is a high-efficiency, monolithic step-down switching regulator from Analog Devices. It features a wide input voltage range of 3.0V to 42V, making it suitable for automotive, industrial, and other applications. The device delivers up to 2A of continuous output current with minimal power loss, thanks to its synchronous rectification. Its switching frequency is adjustable between 200kHz and 2.2MHz, allowing for optimization between efficiency and external component size. The LT8609SIV#PBF features a low dropout performance and a quiescent current of only 2.5µA, which maximizes battery life in battery-powered systems. It supports fast transient response with its high-speed control loops and offers various safety features, including thermal shutdown, short-circuit protection, and a power good indicator. The device is housed in a thermally enhanced 16-lead MSOP package, designed for compact, space-efficient solutions. Overall, it is ideal for applications requiring high efficiency, fast transient response, and low EMI emissions.

Pinout

The LT8609SIV#PBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator. The device comes in a 3mm x 4mm DFN package with a total of 16 pins.
Key functions of the LT8609SIV#PBF include:
- Input Voltage Range: 3.0V to 42V
- Output Current: Up to 2A
- Switching Frequency: Programmable from 200kHz to 2.2MHz
- Synchronizable to an External Clock
- Low Quiescent Current: 2.5µA
- High-Efficiency: Up to 93%
- Internal Compensation
- Soft-Start Functionality
- Output Voltage: Adjustable via external resistors
- Spread Spectrum Frequency Modulation for Low EMI
These features make it suitable for applications requiring high efficiency and fast transient response, such as automotive, industrial, and distributed power systems.

Manufacturer

The LT8609SIV#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a broad range of analog, mixed-signal, and digital signal processing integrated circuits. These components are crucial in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electronic signals. The company serves various industries including communications, automotive, industrial, healthcare, and consumer electronics. With a strong emphasis on innovation, Analog Devices provides solutions that bridge the physical and digital worlds, enhancing the performance and efficiency of electronic systems.

Application

The LT8609SIV#PBF is a high-efficiency, high-frequency monolithic step-down switching regulator. Its application areas include automotive systems, industrial power supplies, telecom and networking equipment, and general-purpose point-of-load power supplies. It is designed for use in environments requiring compact solutions with low noise and high efficiency, making it suitable for battery-powered devices, precision analog systems, and low-voltage digital systems. The regulator's wide input voltage range and fast transient response also make it ideal for use in systems with dynamic load conditions.

Package

The LT8609SIV#PBF is a high-efficiency, synchronous step-down regulator from Analog Devices. Its package type is a 3mm x 4mm 12-lead plastic DFN (Dual Flat No-Lead) package, which is designed for compact and efficient mounting on a printed circuit board.

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