LT3761AIMSE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LT3761AIMSE#TRPBF is a versatile synchronous step-down DC/DC controller designed for use in various applications, including automotive, industrial, and telecommunications. It provides high efficiency power conversion with excellent load and line regulation.

Characteristics: - Synchronous step-down DC/DC controller - High efficiency power conversion - Excellent load and line regulation - Suitable for automotive, industrial, and telecommunications applications

Package: MSE package (16-Lead Plastic MSOP)

Essence: The LT3761AIMSE#TRPBF is an essential component in power supply systems that require efficient and regulated voltage conversion.

Packaging/Quantity: The LT3761AIMSE#TRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Switching Frequency: 1MHz
• Adjustable Constant Frequency: 100kHz to 1MHz
• Current Limit Protection
• Soft-Start Capability
• Programmable Undervoltage Lockout

Detailed Pin Configuration

The LT3761AIMSE#TRPBF features a 16-lead plastic MSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. SS: Soft-Start Pin
5. SYNC/MODE: Synchronization/MODE Selection Pin
6. VCC: Supply Voltage
7. ITH: Current Sense Threshold Pin
8. RT: Oscillator Frequency Setting Pin
9. SW: Switch Node
10. PGND: Power Ground
11. COMP: Compensation Pin
12. VOUT: Output Voltage
13. SS/TRK: Soft-Start/Tracking Pin
14. SYNC/MODE: Synchronization/MODE Selection Pin
15. VCC: Supply Voltage
16. ITH: Current Sense Threshold Pin

Functional Features

1. High Efficiency: The LT3761AIMSE#TRPBF offers high efficiency power conversion, minimizing energy loss during voltage conversion.
2. Excellent Regulation: It provides excellent load and line regulation, ensuring stable output voltage under varying conditions.
3. Wide Input Voltage Range: With an input voltage range of 4V to 60V, it can be used in a wide range of applications.
4. Adjustable Frequency: The switching frequency can be adjusted from 100kHz to 1MHz, allowing flexibility in design.
5. Protection Features: The LT3761AIMSE#TRPBF includes current limit protection and programmable undervoltage lockout for enhanced system reliability.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Excellent load and line regulation - Wide input voltage range - Adjustable frequency - Protection features for enhanced reliability

Disadvantages: - None identified

Working Principles

The LT3761AIMSE#TRPBF operates as a synchronous step-down DC/DC controller. It regulates the output voltage by controlling the duty cycle of the internal power switches. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output. The soft-start pin (SS) allows gradual ramp-up of the output voltage during startup, reducing inrush current.

Detailed Application Field Plans

The LT3761AIMSE#TRPBF is suitable for various applications, including: - Automotive: Power supply systems in electric vehicles, hybrid vehicles, and automotive electronics. - Industrial: Industrial automation, motor control, and power distribution systems. - Telecommunications: Telecom infrastructure, base stations, and network equipment.

Detailed and Complete Alternative Models

1. LT3761AEMSE#TRPBF: Similar to LT3761AIMSE#TRPBF but with a different package (16-Lead Plastic MSOP).
2. LT3761BIMSE#TRPBF: Synchronous step-down DC/DC controller with enhanced features for specific applications.
3. LT3761CIMSE#TRPBF: Synchronous step-down DC/DC controller with additional protection features.

These alternative models offer similar functionality and can be considered as alternatives to the LT3761AIMSE#TRPBF based on specific requirements.

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