RT9064-33GV

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The RT9064-33GV is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The RT9064-33GV is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

The specifications of the RT9064-33GV are as follows:

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 300mA
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9064-33GV has five pins arranged as follows:

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Pin 1: Enable (EN) - Controls the operation of the voltage regulator. Connects to logic high (≥1.2V) to enable the regulator.

Pin 2: Ground (GND) - Connected to the ground reference of the circuit.

Pin 3: Feedback (FB) - Provides feedback for regulating the output voltage. Connects to an external resistor divider network.

Pin 4: Output (OUT) - Provides the regulated output voltage.

Pin 5: Input (IN) - Connects to the input voltage source.

Functional Features

The RT9064-33GV offers the following functional features:

1. Low Dropout Voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage, resulting in minimal power loss.

2. High Output Current Capability: With an output current capability of up to 300mA, the RT9064-33GV can power a wide range of electronic components.

3. Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider network connected to the feedback pin.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily.

5. Short Circuit Protection: The RT9064-33GV includes short circuit protection, safeguarding the IC and the connected circuitry from damage in case of a short circuit condition.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for versatile applications. - Adjustable output voltage provides flexibility in design. - Thermal shutdown and short circuit protection enhance reliability.

Disadvantages: - Limited input voltage range (2.5V to 6V). - Relatively higher quiescent current compared to some other voltage regulators.

Working Principles

The RT9064-33GV operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback pin senses the output voltage and adjusts the pass transistor accordingly to maintain a constant output voltage level.

Detailed Application Field Plans

The RT9064-33GV finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the RT9064-33GV are: - LM1117-3.3V: A popular voltage regulator IC with similar specifications and features. - MCP1700-3302E: Another low dropout voltage regulator with adjustable output voltage. - TS2940-3.3: A cost-effective option for low power applications.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements and availability.

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