LT3761HMSE#TRPBF

Product Overview

The LT3761HMSE#TRPBF belongs to the category of high-performance synchronous buck-boost DC/DC converters. It is commonly used in applications requiring a wide input and output voltage range, such as automotive, industrial, and battery-powered systems. The LT3761HMSE#TRPBF is known for its high efficiency, compact package, and versatile features. It is available in a small 16-lead thermally enhanced MSOP package, making it suitable for space-constrained designs.

Package and Quantity

The LT3761HMSE#TRPBF is packaged in a 16-lead thermally enhanced MSOP package.

Characteristics

• Wide input and output voltage range
• High efficiency
• Compact package
• Synchronous buck-boost topology

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 2.5V to 60V
• Maximum Switching Frequency: 2.5MHz
• Operating Temperature Range: -40°C to 125°C
• Maximum Duty Cycle: 98%

Detailed Pin Configuration

The LT3761HMSE#TRPBF features a 16-pin configuration with specific functions assigned to each pin. The detailed pin configuration is as follows: 1. VIN: Input Voltage 2. SW: Switch Node 3. FB: Feedback Node 4. GND: Ground 5. SYNC/MODE: Synchronization/MODE Selection 6. RT/CLKOUT: Timing Resistor/External Clock Output 7. SS/TRK: Soft-Start/Tracking 8. VCC: IC Power Supply 9. PGND: Power Ground 10. ITH: Current Sense Threshold 11. VOUT: Output Voltage 12. BST: Bootstrap Capacitor Connection 13. SS/TRK: Soft-Start/Tracking 14. RT/CLKOUT: Timing Resistor/External Clock Output 15. SYNC/MODE: Synchronization/MODE Selection 16. VIN: Input Voltage

Functional Features

• Synchronous Buck-Boost Topology
• Wide Input and Output Voltage Range
• Adjustable Switching Frequency
• Soft-Start and Tracking Functionality
• External Synchronization Capability
• Fault Protection Features (Overvoltage, Overcurrent, and Thermal Shutdown)

Advantages and Disadvantages

Advantages

• Versatile buck-boost operation
• High efficiency across a wide input/output voltage range
• Compact package size
• Comprehensive fault protection features

Disadvantages

• Limited maximum switching frequency compared to some alternative models
• May require careful consideration of external components for optimal performance

Working Principles

The LT3761HMSE#TRPBF operates on the principle of a synchronous buck-boost converter, allowing it to regulate the output voltage over a wide range of input voltages. By controlling the duty cycle of the internal switches, the device can efficiently step up or step down the input voltage to maintain a stable output voltage.

Detailed Application Field Plans

The LT3761HMSE#TRPBF is well-suited for various applications, including: - Automotive LED lighting systems - Industrial power supplies - Battery-powered devices - Portable instrumentation

Detailed and Complete Alternative Models

Some alternative models to the LT3761HMSE#TRPBF include: - LT8390 - LT8705 - LT8331 - LT8609

In conclusion, the LT3761HMSE#TRPBF is a high-performance synchronous buck-boost DC/DC converter with a wide input and output voltage range, compact package, and versatile features. Its application spans across automotive, industrial, and battery-powered systems, making it a valuable component in modern electronic designs.

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