LT3761IMSE-1#TRPBF

Product Overview

Category

The LT3761IMSE-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply systems, including LED lighting, automotive lighting, and general-purpose DC/DC converters.

Characteristics

• High efficiency: The LT3761IMSE-1#TRPBF offers high efficiency conversion, minimizing power losses.
• Wide input voltage range: It can operate with input voltages ranging from 4.5V to 60V, making it suitable for a wide range of applications.
• Adjustable output voltage: The output voltage can be adjusted using external resistors, providing flexibility in system design.
• Current mode control: The IC utilizes current mode control for improved stability and transient response.

Package

The LT3761IMSE-1#TRPBF is available in a small MSOP-16E package, which provides compactness and ease of integration into various circuit designs.

Essence

The essence of the LT3761IMSE-1#TRPBF lies in its ability to efficiently regulate and convert electrical power in a wide range of applications, ensuring optimal performance and reliability.

Packaging/Quantity

This IC is typically packaged in reels, containing a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: Adjustable
• Maximum Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: MSOP-16E

Detailed Pin Configuration

The LT3761IMSE-1#TRPBF features the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. VCC: Supply voltage for internal circuitry
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for controlled startup
8. RT/CLK: External resistor or clock input for frequency control
9. SYNC/PLL: Synchronization or phase-locked loop input
10. MODE: Mode selection pin for different operating modes
11. PGND: Power ground connection
12. ITH: Current sense threshold pin
13. BST: Bootstrap capacitor connection
14. LX: Inductor connection
15. ADJ: Output voltage adjustment pin
16. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in system design.
• Current mode control ensures stability and transient response.
• Soft-start feature enables controlled startup, reducing stress on the system.
• Synchronization capability allows for multiple ICs to operate in harmony.

Advantages and Disadvantages

Advantages

• High efficiency conversion minimizes power losses.
• Wide input voltage range accommodates various power supply systems.
• Compact MSOP-16E package facilitates integration into space-constrained designs.
• Current mode control enhances stability and transient response.

Disadvantages

• Limited maximum switching frequency may not be suitable for certain high-frequency applications.
• Requires external components for proper operation, increasing system complexity.

Working Principles

The LT3761IMSE-1#TRPBF operates based on a current mode control architecture. It regulates the output voltage by adjusting the duty cycle of the internal power switch. The feedback pin (FB) monitors the output voltage and compares it to a reference voltage, generating an error signal. This error signal is then used to adjust the duty cycle, ensuring the output voltage remains within the desired range.

Detailed Application Field Plans

The LT3761IMSE-1#TRPBF finds applications in various power supply systems, including but not limited to:

1. LED Lighting: The IC can be used to drive and regulate LED lighting systems, providing efficient and reliable illumination.
2. Automotive Lighting: It is suitable for automotive lighting applications, ensuring stable and controlled power delivery to headlights, taillights, and other lighting components.
3. General-Purpose DC/DC Converters: The LT3761IMSE-1#TRPBF can be employed in general-purpose DC/DC converter circuits, enabling efficient power conversion in a wide range of electronic devices.

Detailed and Complete Alternative Models

1. LT3761: Similar to LT3761IMSE-1#TRPBF, but available in a different package (e.g., QFN-16).
2. LT3761A: An enhanced version with additional features and improved performance characteristics.
3. LT3762: A related IC with similar functionality but optimized for higher current applications.

These alternative models offer similar functionality and can be considered as substitutes based on