LTC3411AIDD#TRPBF

Introduction

The LTC3411AIDD#TRPBF is a high efficiency, monolithic synchronous buck regulator designed to deliver up to 1A of continuous output current. This device operates from an input voltage range of 2.25V to 5.5V, making it suitable for a wide variety of applications.

Basic Information Overview

• Category: Power Management IC
• Use: Voltage regulation in various electronic devices
• Characteristics: High efficiency, wide input voltage range, compact package
• Package: 10-Lead DFN (3mm x 3mm)
• Essence: Efficient power conversion
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current: Up to 1A
• Switching Frequency: 1.2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3411AIDD#TRPBF features the following pin configuration: 1. VIN: Input Voltage 2. SW: Switch Node 3. GND: Ground 4. FB: Feedback 5. EN: Enable 6. SS: Soft-Start 7. PG: Power Good 8. VOUT: Output Voltage 9. VOUT: Output Voltage 10. VOUT: Output Voltage

Functional Features

• Synchronous rectification for high efficiency
• Low dropout operation: 100% duty cycle
• Internal soft-start
• Power good output
• Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Compact package
• Integrated power MOSFETs

Disadvantages

• Limited maximum output current (1A)

Working Principles

The LTC3411AIDD#TRPBF uses a synchronous buck topology to regulate the output voltage. The internal power MOSFETs enable high efficiency and the device operates at a fixed frequency of 1.2MHz. The feedback loop ensures accurate output voltage regulation, while the enable pin provides control over the device's operation.

Detailed Application Field Plans

The LTC3411AIDD#TRPBF is well-suited for various battery-powered applications, including portable electronics, handheld instruments, and battery-powered sensors. It can also be used in point-of-load regulation and distributed power systems.

Detailed and Complete Alternative Models

Some alternative models to the LTC3411AIDD#TRPBF include the LT1763, LT1963, and LT3080. These devices offer similar functionality and are suitable for different input voltage and output current requirements.

In conclusion, the LTC3411AIDD#TRPBF is a versatile and efficient power management IC that finds application in a wide range of electronic devices, offering high performance and reliability in a compact package.

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