RT9078-18GJ5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: SOT-23-5

Essence: The RT9078-18GJ5 is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9078-18GJ5 is available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.8V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 300mA
• Quiescent Current: 85µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9078-18GJ5 has the following 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 power conversion.
• High output current capability allows for powering a wide range of devices.
• Adjustable output voltage provides flexibility in different applications.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Overcurrent protection safeguards against excessive current flow.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package for space-constrained designs. - Wide input voltage range for compatibility with various power sources. - Low quiescent current minimizes power consumption. - Excellent line and load regulation for stable output voltage.

Disadvantages: - Limited output current compared to higher-rated voltage regulators. - Non-adjustable output voltage for specific applications requiring different voltages.

Working Principles

The RT9078-18GJ5 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The feedback mechanism adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The RT9078-18GJ5 is suitable for various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. IoT devices 4. Wearable devices 5. Automotive electronics 6. Industrial control systems

Detailed and Complete Alternative Models

1. RT9078-33GJ5: Output voltage of 3.3V
2. RT9078-25GJ5: Output voltage of 2.5V
3. RT9078-12GJ5: Output voltage of 1.2V
4. RT9078-ADJGJ5: Adjustable output voltage

These alternative models provide different fixed output voltages or adjustable output voltage options to suit specific application requirements.

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