LTC4444MPMS8E#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High-speed, high-performance power MOSFET driver - Designed to drive N-channel MOSFETs in high-frequency applications - Provides efficient switching and fast rise/fall times - Suitable for use in various power conversion and motor control applications

Package: MSOP-8 (Mini Small Outline Package)

Essence: The LTC4444MPMS8E#PBF is a high-speed power MOSFET driver that enables efficient switching of N-channel MOSFETs in high-frequency applications.

Packaging/Quantity: Available in tape and reel packaging with 3,000 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: ±4A
• Rise/Fall Time: 10ns
• Operating Temperature Range: -40°C to 125°C
• Input Logic Threshold: 2.5V
• Maximum Duty Cycle: 99.9%
• Shutdown Current: 1μA

Pin Configuration

The LTC4444MPMS8E#PBF features the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. IN: Logic input for controlling the MOSFET
4. SD: Shutdown pin for disabling the driver
5. OUT: Output pin connected to the gate of the MOSFET
6. PGND: Power ground reference
7. NC: No connection
8. VBS: Bootstrap supply voltage for driving the high-side MOSFET

Functional Features

• High-speed switching: Enables efficient operation in high-frequency applications.
• Fast rise/fall times: Facilitates quick switching transitions, reducing power losses.
• Wide supply voltage range: Allows flexibility in various power management applications.
• Logic level input: Compatible with standard logic levels, simplifying integration into existing systems.
• Shutdown pin: Provides the ability to disable the driver when not in use.

Advantages

• Efficient power MOSFET switching
• Fast rise/fall times for reduced power losses
• Wide operating temperature range
• Compact MSOP-8 package for space-constrained designs
• Compatible with various power conversion and motor control applications

Disadvantages

• Limited output current (±4A)
• Requires external bootstrap supply for high-side MOSFET driving

Working Principles

The LTC4444MPMS8E#PBF is designed to drive N-channel MOSFETs efficiently. It utilizes a high-speed gate driver circuitry that provides fast rise/fall times, enabling efficient switching of the MOSFET. The input logic signal controls the state of the MOSFET, allowing it to be turned on or off based on the desired operation. The driver also features a shutdown pin, which can be used to disable the driver when not in use, reducing power consumption.

Detailed Application Field Plans

The LTC4444MPMS8E#PBF can be applied in various power management and motor control applications, including: - Switching power supplies - Motor drives - DC-DC converters - LED drivers - Battery-powered systems - Industrial automation

Detailed and Complete Alternative Models

1. LTC4444IMS8E#PBF: Similar to LTC4444MPMS8E#PBF but available in an MSOP-8 package.
2. LTC4444HMS8E#PBF: High-speed power MOSFET driver with higher output current capability.
3. LTC4444CMS8E#PBF: Lower voltage version of LTC4444MPMS8E#PBF, suitable for low-power applications.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.)

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