RT9161-33GV

Product Overview

Category

RT9161-33GV belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 300mV at 100mA
• Low Quiescent Current: 50μA
• Thermal Shutdown Protection
• Short Circuit Protection
• SOT-23-3 Package

Essence

The essence of RT9161-33GV is to provide a stable output voltage of 3.3V, regardless of input voltage fluctuations.

Packaging/Quantity

RT9161-33GV is available in SOT-23-3 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 50μA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-3

Detailed Pin Configuration

RT9161-33GV has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Voltage Regulation: RT9161-33GV ensures a stable output voltage of 3.3V, even with varying input voltages.
• Low Dropout Voltage: The regulator maintains a low dropout voltage of 300mV at 100mA load, minimizing power dissipation.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent overheating and damage.
• Short Circuit Protection: The device is equipped with short circuit protection, safeguarding the circuit from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power dissipation.
• Thermal shutdown and short circuit protection enhance reliability and safety.

Disadvantages

• Limited output current capacity (up to 150mA).
• SOT-23-3 package may require additional space on the PCB.

Working Principles

RT9161-33GV utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The error amplifier compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

RT9161-33GV finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to RT9161-33GV are: - LM1117-3.3 - MCP1700-3302E/TO - LP2985-33DBVR - NCP1117ST33T3G

These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.

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