SI5475BDC-T1-GE3

Introduction

The SI5475BDC-T1-GE3 is a power management product that belongs to the category of voltage regulators. This device is commonly used in electronic circuits to regulate the voltage and ensure stable power supply to various components. The SI5475BDC-T1-GE3 offers several characteristics, packaging options, and functional features that make it suitable for a wide range of applications.

Basic Information Overview

• Category: Voltage Regulator
• Use: Regulating voltage in electronic circuits
• Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
• Package: DFN-8 (2x2)
• Essence: Stable voltage regulation
• Packaging/Quantity: Tape & Reel (3000 units)

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: Adjustable from 0.8V to 5V
• Output Current: Up to 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SI5475BDC-T1-GE3 features a DFN-8 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. NC (No Connection) 5. FB (Feedback) 6. VOUT (Output Voltage) 7. NC (No Connection) 8. PG (Power Good)

Functional Features

• High Efficiency: Ensures minimal power loss during voltage regulation.
• Low Dropout Voltage: Allows the device to operate with small voltage differentials between input and output.
• Thermal Shutdown Protection: Safeguards the device from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Compact package size
• Wide input voltage range
• Low quiescent current
• Thermal shutdown protection

Disadvantages

• Limited output current compared to higher-power regulators
• Not suitable for high-current applications

Working Principles

The SI5475BDC-T1-GE3 operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a stable output. When the input voltage or load changes, the device dynamically adjusts to ensure consistent output voltage.

Detailed Application Field Plans

The SI5475BDC-T1-GE3 is well-suited for various applications, including: - Battery-powered devices - Portable electronics - IoT devices - Wearable technology - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SI5475BDC-T1-GE3 include: - LM317: A popular adjustable voltage regulator with higher output current capability - LT1763: Offers low dropout voltage and higher output current for more demanding applications - TPS7A47: Provides ultra-low noise performance for sensitive analog circuits

In conclusion, the SI5475BDC-T1-GE3 is a versatile voltage regulator with a compact form factor and efficient performance, making it an ideal choice for a wide range of electronic applications.

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