LTC4444IMS8E

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LTC4444IMS8E

Gate Drivers LTC4444 - High Voltage Synchronous N-Channel MOSFET Driver

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Especificaciones

Descripción general

Description

The LTC4444IMS8E is a high-speed, dual N-channel MOSFET driver from Analog Devices, designed for efficient power management in various applications. It operates with a supply voltage range of 4.5V to 15V and features a maximum gate drive voltage of 10V. Its primary function is to drive high and low-side MOSFETs in synchronous buck converters, enabling rapid switching and improved efficiency.
Key features include fast rise and fall times, low output impedance, and a capability to drive heavy capacitive loads. The device also has built-in protection features, such as undervoltage lockout (UVLO) and thermal shutdown, enhancing reliability in demanding conditions. Its compact 8-lead MSOP package allows for space-efficient designs.
Applications of the LTC4444IMS8E include power supplies, motor drives, and battery management systems, where efficient and reliable MOSFET driving is crucial. Overall, it is a versatile and robust solution for modern power electronics.

Features

The LTC4444IMS8E is a high-speed, high-side and low-side driver designed for driving N-channel MOSFETs in synchronous buck converters and other applications. Key features include:
1. High Drive Capability: It can source and sink up to 2A of peak current, ensuring fast switching and efficient operation.

2. Wide Operating Voltage: It operates from a supply voltage range of 4.5V to 20V, making it versatile for various applications.
3. Fast Turn-On/Off: The driver boasts a propagation delay of less than 20ns, minimizing switching losses and improving efficiency.
4. Bootstrap Capability: It supports a bootstrap technique for high-side driving, allowing operation with a simple and compact circuit design.
5. Low Supply Current: The driver features a low quiescent current, which enhances efficiency in low-power applications.
6. Thermal Protection: Built-in thermal shutdown prevents damage due to overheating.
7. Small Package: It comes in a compact MSOP-8 package, ideal for space-constrained designs.
These features make the LTC4444IMS8E suitable for a wide range of power management applications.

Package

The LTC4444IMS8E is packaged in an 8-lead MSOP (Mini Small Outline Package) with a surface-mount design. This compact package type is ideal for space-constrained applications and provides efficient thermal performance.

Pinout

The LTC4444IMS8E is an integrated high-speed, high-side and low-side driver designed for driving N-channel MOSFETs in power conversion applications. It comes in an 8-lead MSOP package.
Pin Count: 8 pins
Functions:
1. BOOT (Pin 1) - Bootstrap capacitor connection for high-side gate drive.
2. VS (Pin 2) - Source connection for the high-side MOSFET.
3. PH (Pin 3) - Drain connection for the high-side MOSFET; connects to the load.
4. GS (Pin 4) - Input for the gate drive signal.
5. GND (Pin 5) - Ground reference for the driver.
6. COM (Pin 6) - Ground reference for the low-side driver.
7. LO (Pin 7) - Output for the low-side gate drive.
8. HO (Pin 8) - Output for the high-side gate drive.
This driver is optimized for efficient switching and low gate drive power loss, making it suitable for various applications in power management and conversion.

Manufacturer

The LTC4444IMS8E 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 integrated circuits (ICs). The company focuses on high-performance solutions for various applications, including communications, automotive, industrial, healthcare, and consumer electronics. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its innovative technologies that convert real-world phenomena into digital signals, enabling advanced data processing and control systems.

Application

The LTC4444IMS8E is a high-speed, dual MOSFET driver used in various applications, including power conversion, synchronous rectification, and DC-DC converters. It can efficiently drive N-channel MOSFETs in half-bridge and full-bridge configurations, making it suitable for applications like motor drives, battery management systems, and renewable energy systems. Its ability to handle high gate drive currents and fast switching speeds enhances performance in power electronics.

Equivalent

The LTC4444IMS8E is a high-speed, dual MOSFET driver. Equivalent products include:
1. MIC4427 - A high-speed MOSFET driver.
2. TC4420 - A single-output MOSFET driver.
3. UCC27322 - A dual, high-speed MOSFET driver.
4. ISL71010 - A high-speed gate driver.
Always verify specifications and compatibility for your specific application.

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

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UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

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EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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