RT9078-28GJ5 Product Overview

Introduction

The RT9078-28GJ5 is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to sensitive components.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: SOT-23-5
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Typically packaged in reels of 3000 units

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 2.8V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even with small voltage differentials.
• Low Quiescent Current: Minimizes power consumption when the device is in standby mode.
• Thermal Shutdown Protection: Safeguards the regulator from overheating.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Small package size
• Low dropout voltage

Disadvantages

• Limited maximum output current
• Narrow input voltage range

Working Principles

The RT9078-28GJ5 utilizes a feedback control mechanism to maintain a constant output voltage despite fluctuations in the input voltage. This is achieved through an internal error amplifier and a series pass element that adjusts the output voltage based on the feedback signal.

Detailed Application Field Plans

The RT9078-28GJ5 is widely used in portable electronic devices such as smartphones, tablets, and portable media players. Its compact size and efficient voltage regulation make it suitable for battery-powered applications where space and power efficiency are critical.

Detailed and Complete Alternative Models

1. LM1117-2.8

   • Category: Integrated Circuit
   • Use: Voltage Regulation
   • Characteristics: Low dropout voltage, adjustable output
   • Package: SOT-223
   • Essence: Regulating voltage for various electronic devices

2. MCP1702-2802E

   • Category: Integrated Circuit
   • Use: Voltage Regulation
   • Characteristics: Low quiescent current, high accuracy
   • Package: SOT-23-3
   • Essence: Providing stable voltage for low-power applications

In conclusion, the RT9078-28GJ5 is a versatile voltage regulator with precise regulation capabilities, making it an essential component in various electronic devices.

Word Count: 443