SI7804DN-T1-GE3

Introduction

The SI7804DN-T1-GE3 is a power management product designed for use in various electronic applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, overcurrent protection
• Package: DFN-8 (2x2)
• Essence: Regulating voltage to ensure stable power supply
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Pin 1) - Input Voltage
2. GND (Pin 2) - Ground
3. EN (Pin 3) - Enable Pin
4. NC (Pin 4) - No Connection
5. FB (Pin 5) - Feedback Voltage
6. NC (Pin 6) - No Connection
7. VOUT (Pin 7) - Output Voltage
8. PGND (Pin 8) - Power Ground

Functional Features

• Overcurrent Protection
• Thermal Shutdown
• Soft-Start Function
• Low ESR Ceramic Capacitor Compatible

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Input Voltage Range
• Small Package Size

Disadvantages

• Limited Maximum Output Current
• Sensitive to External EMI

Working Principles

The SI7804DN-T1-GE3 operates as a voltage regulator by comparing the feedback voltage with a reference voltage to control the output voltage. It utilizes internal circuitry to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The SI7804DN-T1-GE3 is suitable for various applications requiring regulated power supplies, such as: - Portable Electronics - IoT Devices - Battery-Powered Systems - Consumer Electronics

Detailed and Complete Alternative Models

• SI7805DN-T1-GE3: Similar specifications with higher output current
• SI7803DN-T1-GE3: Similar specifications with lower output current
• LM1117MPX-3.3/NOPB: Alternative voltage regulator with comparable performance

In conclusion, the SI7804DN-T1-GE3 is a versatile power management IC with a wide range of applications, offering high efficiency and reliable voltage regulation. Its compact package and essential features make it a preferred choice for various electronic designs.

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