RT9018A-25GQW

Product Overview

Category

RT9018A-25GQW belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize the output voltage.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

RT9018A-25GQW is available in a small surface-mount package, typically a QFN (Quad Flat No-leads) package.

Essence

The essence of RT9018A-25GQW lies in its ability to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity

RT9018A-25GQW is usually packaged in reels or tubes, with a typical quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 5.5V
• Output Voltage Range: 1.2V - 3.6V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9018A-25GQW has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: The RT9018A-25GQW exhibits high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: It maintains a low dropout voltage even at higher output currents, ensuring efficient power delivery.
• Wide Input Voltage Range: The device can operate within a wide range of input voltages, making it versatile for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet specific requirements.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage due to overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for compatibility with different power sources.
• Adjustable output voltage provides flexibility in design.
• Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Dropout voltage may affect performance in low-voltage scenarios.

Working Principles

The RT9018A-25GQW operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the desired output voltage can be set. The internal circuitry ensures that the output voltage remains stable even when the input voltage or load conditions change.

Detailed Application Field Plans

RT9018A-25GQW finds applications in various electronic devices and systems, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to RT9018A-25GQW that offer similar functionality include: - LM1117 - MCP1700 - TPS709

These models provide comparable voltage regulation capabilities and can be considered as alternatives based on specific application requirements.

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