RT9040GQW

Product Overview

Category

RT9040GQW belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in electronic devices.

Characteristics

• High efficiency
• Low dropout voltage
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection

Package

RT9040GQW is available in a small package, such as a QFN (Quad Flat No-leads) or a SOT (Small Outline Transistor) package.

Essence

The essence of RT9040GQW lies in its ability to regulate voltage and provide stable power supply to electronic components.

Packaging/Quantity

RT9040GQW is typically packaged in reels or tubes, with a quantity of around 3000 units per reel or tube.

Specifications

• Input Voltage Range: 2.5V - 5.5V
• Output Voltage Range: 1.2V - 3.3V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of RT9040GQW is as follows:

```

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| | --| VIN VOUT|-- --| GND EN |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin

Functional Features

• Voltage Regulation: RT9040GQW ensures a stable output voltage regardless of input voltage fluctuations.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard connected devices from excessive current.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Low dropout voltage ensures efficient power transfer.
• Low quiescent current minimizes power wastage during standby mode.
• Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• Narrow input and output voltage ranges may not be suitable for all devices.

Working Principles

RT9040GQW operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, compensating for any variations in the input voltage.

Detailed Application Field Plans

RT9040GQW finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Alternative Models

Some alternative models that can be considered as substitutes for RT9040GQW are: - RT9058: Similar voltage regulator with higher output current capability. - LM1117: Widely used linear voltage regulator with adjustable output voltage. - TPS796: High-performance voltage regulator with low dropout voltage.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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