RT9104GS

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9104GS is a SOP-8 package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. COMP: Compensation Pin
6. SS: Soft-Start Pin
7. PGND: Power Ground
8. VOUT: Output Voltage

Functional Features

• High Efficiency: The RT9104GS utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low Power Consumption: With a quiescent current of only 50µA, the RT9104GS helps conserve energy.
• Enable Pin: The EN pin allows for easy on/off control of the voltage regulator.
• Soft-Start Pin: The SS pin enables a controlled startup sequence, reducing inrush current and protecting the circuitry.
• Overcurrent Protection: The RT9104GS incorporates overcurrent protection to safeguard against excessive load currents.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input and output voltage ranges provide flexibility in various applications.
• Compact SOP-8 package allows for space-saving designs.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Dropout voltage of 200mV at 300mA may affect performance in low input voltage scenarios.

Working Principles

The RT9104GS is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to provide the desired output voltage. The enable pin allows for easy control of the regulator's operation, while the soft-start pin ensures a controlled startup sequence. The overcurrent protection feature safeguards against excessive load currents, enhancing system reliability.

Detailed Application Field Plans

The RT9104GS finds applications in various fields, including:

1. Portable Electronics: It can be used to regulate power supply voltages in smartphones, tablets, and portable media players.
2. IoT Devices: The RT9104GS is suitable for powering sensors, microcontrollers, and other components in IoT devices.
3. Automotive Electronics: It can be employed in automotive systems such as infotainment systems, lighting controls, and engine management units.
4. Industrial Automation: The RT9104GS can regulate power supply voltages in industrial automation equipment, ensuring stable operation.

Detailed and Complete Alternative Models

1. RT9105GS: Similar to the RT9104GS, but with a higher maximum output current of 1A.
2. RT9103GS: A lower power version of the RT9104GS, with a maximum output current of 300mA.
3. RT9106GS: Offers adjustable output voltage capability, allowing for greater flexibility in different applications.

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