LT3755IMSE-2#TRPBF

Product Overview

Category

The LT3755IMSE-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in various electronic devices and systems for power management applications.

Characteristics

• The LT3755IMSE-2#TRPBF is a high voltage, current mode step-down DC/DC controller.
• It operates over a wide input voltage range, making it suitable for a variety of applications.
• This IC offers excellent line and load regulation, ensuring stable power delivery.
• It provides adjustable frequency operation, allowing flexibility in design.
• The LT3755IMSE-2#TRPBF incorporates various protection features such as overvoltage and overcurrent protection.

Package

The LT3755IMSE-2#TRPBF is available in a small MSOP-16 package, which facilitates easy integration into compact designs.

Essence

The essence of the LT3755IMSE-2#TRPBF lies in its ability to efficiently regulate and control power in electronic systems, ensuring reliable and stable operation.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage Range: Adjustable (based on external components)
• Switching Frequency: Adjustable (100kHz to 1MHz)
• Maximum Output Current: Up to 4A
• Operating Temperature Range: -40°C to 125°C
• Package Type: MSOP-16

Detailed Pin Configuration

The LT3755IMSE-2#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. RT/CLK: Pin for setting switching frequency or external synchronization
6. SYNC/SS: Pin for synchronization or soft-start control
7. VCC: Supply voltage pin for internal circuitry
8. SW: Switching node pin for connecting the power switch
9. PGND: Power ground pin
10. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout pin
11. BST: Bootstrap capacitor connection pin
12. LX: Inductor connection pin
13. VOUT: Output voltage pin
14. ADJ: Adjust pin for fine-tuning output voltage
15. OV/UV: Overvoltage/undervoltage protection pin
16. EN/UVLO: Enable/undervoltage lockout pin

Functional Features

• High voltage step-down DC/DC controller
• Wide input voltage range for versatile applications
• Excellent line and load regulation for stable power delivery
• Adjustable frequency operation for design flexibility
• Comprehensive protection features for enhanced reliability

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Excellent line and load regulation ensure stable power output.
• Adjustable frequency operation enables optimization for different applications.
• Comprehensive protection features enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for voltage regulation and stability control.

Working Principles

The LT3755IMSE-2#TRPBF operates as a current mode step-down DC/DC controller. It regulates the output voltage by adjusting the duty cycle of the power switch connected to the LX pin. The feedback voltage at the FB pin is compared to a reference voltage, and any deviation triggers the necessary adjustments to maintain the desired output voltage. The switching frequency and other parameters can be set using external components connected to the appropriate pins.

Detailed Application Field Plans

The LT3755IMSE-2#TRPBF finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Telecommunications - Consumer electronics - LED lighting systems

In automotive electronics, this IC can be used for power management in electric vehicles, battery charging systems, and onboard electronic control units. In industrial automation, it can regulate power in motor drives, robotics, and factory automation equipment. Telecommunications applications include power supply modules for base stations, routers, and network switches. In consumer electronics, the LT3755IMSE-2#TRPBF can be utilized in portable devices, audio/video equipment, and smart home systems. Additionally, it is suitable for driving LEDs in lighting systems, providing efficient and reliable illumination.

Detailed and Complete Alternative Models

1. LT3755EMSE-2#TRPBF: Similar to LT3755IMSE-2#TRPBF, but with extended temperature range (-40°C to 150°C).
2. LT