LT3755IMSE#TRPBF

Product Overview

Category

The LT3755IMSE#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for controlling and regulating power in various electronic devices and systems.

Characteristics

• High efficiency: The LT3755IMSE#TRPBF offers high efficiency power conversion, minimizing energy loss during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The IC allows for adjustable output voltage, providing flexibility in power supply design.
• Current mode control: It utilizes current mode control architecture, ensuring stable and reliable power regulation.

Package

The LT3755IMSE#TRPBF is available in a small MSOP-16 package, which provides compactness and ease of integration into circuit boards.

Essence

The essence of the LT3755IMSE#TRPBF lies in its ability to efficiently manage power by converting and regulating input voltage to meet the requirements of various electronic devices.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of LT3755IMSE#TRPBF units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage Range: 0.8V to 36V
• Maximum Switching Frequency: 1MHz
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3755IMSE#TRPBF features a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. VCC: Supply voltage pin
5. SYNC: Synchronization pin for external clock input
6. RT/CLKOUT: Timing resistor and clock output pin
7. SS/TR: Soft-start and tracking pin
8. SW: Switching node pin
9. PGND: Power ground pin
10. LX: Inductor connection pin
11. COMP: Compensation pin for stability control
12. VREF: Reference voltage pin
13. EN/UVLO: Enable and undervoltage lockout pin
14. MODE: Mode selection pin
15. ITH: Current sense threshold pin
16. BST: Bootstrap capacitor connection pin

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage enables customization to meet specific device requirements.
• Current mode control architecture ensures stable and reliable power regulation.
• Synchronization capability allows for synchronization with an external clock source.
• Soft-start and tracking feature facilitates smooth startup and tracking of the output voltage.

Advantages and Disadvantages

Advantages

• High efficiency power conversion reduces energy loss.
• Wide input voltage range provides versatility in power supply design.
• Compact MSOP-16 package allows for easy integration into circuit boards.
• Adjustable output voltage offers flexibility in meeting different device requirements.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires careful consideration of external components for optimal performance.

Working Principles

The LT3755IMSE#TRPBF operates based on a current mode control architecture. It regulates the output voltage by adjusting the duty cycle of the internal switching transistor. This is achieved through feedback control, where the FB pin monitors the output voltage and adjusts the duty cycle accordingly. The IC also incorporates various protection features such as undervoltage lockout (UVLO) and overcurrent protection to ensure safe and reliable operation.

Detailed Application Field Plans

The LT3755IMSE#TRPBF finds applications in a wide range of electronic devices and systems, including but not limited to: - LED lighting systems - Automotive electronics - Industrial power supplies - Battery charging circuits - Portable electronic devices

Detailed and Complete Alternative Models

• LT3755EMSE#TRPBF
• LT3755HMSE#TRPBF
• LT3755IMSE#PBF
• LT3755EMSE#PBF
• LT3755HMSE#PBF

These alternative models offer similar functionality and characteristics to the LT3755IMSE#TRPBF, providing options for different design requirements and preferences.

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