LTC1628IG-SYNC#TRPBF

Product Overview

Category

The LTC1628IG-SYNC#TRPBF belongs to the category of synchronous step-down DC/DC converters.

Use

It is used for efficiently converting a higher input voltage to a lower output voltage in various electronic applications.

Characteristics

• High efficiency
• Synchronous rectification
• Wide input voltage range
• Adjustable and fixed output voltage options
• Low quiescent current
• Integrated power MOSFETs

Package

The LTC1628IG-SYNC#TRPBF comes in a compact and thermally enhanced 28-lead QFN package.

Essence

The essence of this product lies in its ability to provide high-efficiency power conversion with minimal external components.

Packaging/Quantity

The LTC1628IG-SYNC#TRPBF is typically available in tape and reel packaging with a quantity specified by the manufacturer.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 15A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%

Detailed Pin Configuration

The LTC1628IG-SYNC#TRPBF features a 28-pin QFN package with specific pin assignments for input voltage, ground, output voltage, feedback, and other control and monitoring functions.

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Functional Features

• Synchronous Rectification: The integrated synchronous rectifier improves efficiency by reducing power losses.
• Adjustable Output Voltage: The device allows for the adjustment of the output voltage to suit specific application requirements.
• Soft-Start: Incorporates a soft-start feature to minimize inrush current during startup.
• Overcurrent Protection: Provides protection against excessive output currents.

Advantages

• High Efficiency: The synchronous rectification and low quiescent current contribute to high overall efficiency.
• Compact Design: The integrated power MOSFETs and minimal external components enable a compact layout.
• Wide Input Voltage Range: Can accommodate a wide range of input voltages, enhancing versatility.

Disadvantages

• Cost: The advanced features and high performance may result in a relatively higher cost compared to non-synchronous converters.
• Complexity: The additional control and monitoring features may require a more intricate design and setup process.

Working Principles

The LTC1628IG-SYNC#TRPBF operates on the principle of pulse-width modulation (PWM) to regulate the output voltage. The integrated synchronous rectifier minimizes switching losses, contributing to high efficiency. Control circuitry ensures stable and accurate output voltage regulation across varying load conditions.

Detailed Application Field Plans

The LTC1628IG-SYNC#TRPBF is well-suited for a wide range of applications including: - Point-of-load power supplies - Industrial automation systems - Telecommunications equipment - Automotive electronics - Distributed power systems

Detailed and Complete Alternative Models

• LT1763 - Low dropout linear regulator
• LTC3780 - Synchronous buck-boost DC/DC converter
• LT8610 - High efficiency synchronous buck regulator

In conclusion, the LTC1628IG-SYNC#TRPBF offers high efficiency, versatile input voltage range, and integrated features that make it suitable for various electronic applications requiring efficient power conversion.

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