LTC4441EMSE#PBF

Product Overview

Category

LTC4441EMSE#PBF belongs to the category of power management integrated circuits (PMICs).

Use

This product is primarily used for driving high-speed and high-power MOSFETs in various applications.

Characteristics

• High-speed switching capability
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

LTC4441EMSE#PBF is available in an MSOP-10 package.

Essence

The essence of LTC4441EMSE#PBF lies in its ability to efficiently drive MOSFETs, enabling high-performance power management in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0V to VIN
• Maximum Continuous Output Current: 6A
• Quiescent Current: 20µA
• Rise/Fall Time: 8ns
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VCC: Power supply input
2. GATE: Gate drive output
3. GND: Ground reference
4. SD: Shutdown pin
5. UVLO: Undervoltage lockout
6. PGND: Power ground
7. BOOT: Bootstrap capacitor connection
8. LX: Switch node connection
9. SS: Soft-start capacitor connection
10. FB: Feedback pin

Functional Features

• High-speed switching: Enables efficient operation of MOSFETs.
• Low quiescent current: Reduces power consumption during idle periods.
• Adjustable output voltage: Provides flexibility in power management applications.
• Overcurrent protection: Safeguards against excessive current flow.
• Thermal shutdown protection: Prevents damage due to overheating.

Advantages and Disadvantages

Advantages

• High-speed switching capability ensures efficient power management.
• Low quiescent current minimizes power consumption during idle periods.
• Wide input voltage range allows for versatile application scenarios.
• Adjustable output voltage provides flexibility in power management.
• Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages

• Limited maximum continuous output current (6A) may not be suitable for high-power applications.
• MSOP-10 package may limit heat dissipation capabilities in certain scenarios.

Working Principles

LTC4441EMSE#PBF operates by receiving an input voltage within the specified range and generating a gate drive output to control the switching of MOSFETs. The device incorporates various protection features such as overcurrent and thermal shutdown, ensuring safe and reliable operation.

Detailed Application Field Plans

LTC4441EMSE#PBF finds applications in various fields, including but not limited to: - Power supplies - Motor control systems - LED lighting - Battery charging circuits - DC-DC converters

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC4441EMSE#PBF include: - LTC4440EMSE#PBF - LTC4442EMSE#PBF - LTC4443EMSE#PBF - LTC4444EMSE#PBF

These models provide comparable features and can be considered as alternatives based on specific requirements.

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