RT9013-33GU5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Overcurrent protection - Reverse polarity protection

Package: SOT-23-5

Essence: The RT9013-33GU5 is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The RT9013-33GU5 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

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

Pin Configuration

The RT9013-33GU5 has five pins arranged as follows:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows the IC to power various components in electronic circuits.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Short circuit current limit protects the IC and the connected components from excessive current flow during a short circuit.
• Overcurrent protection safeguards the IC and the load from excessive current beyond its rated capacity.
• Reverse polarity protection prevents damage to the IC in case of incorrect battery or power supply connection.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for versatile applications. - Thermal shutdown protection enhances reliability. - Short circuit current limit and overcurrent protection provide added safety. - Reverse polarity protection prevents accidental damage.

Disadvantages: - Limited output current compared to higher-rated voltage regulators. - SOT-23-5 package may require surface-mount soldering skills.

Working Principles

The RT9013-33GU5 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass transistor.

Detailed Application Field Plans

The RT9013-33GU5 can be used in various applications, including but not limited to: 1. Battery-powered devices requiring stable voltage supply. 2. Portable electronic devices such as smartphones, tablets, and portable media players. 3. Embedded systems and microcontroller-based projects. 4. Automotive electronics. 5. Industrial control systems. 6. IoT (Internet of Things) devices. 7. Wearable technology.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar voltage regulator IC with a TO-220 package.
2. MCP1700-3302E/TO: Low dropout voltage regulator with a SOT-223 package.
3. TS2950CT-3.3: Fixed voltage regulator with a SOT-223 package.
4. LP2985-33DBVR: Micropower voltage regulator with a SOT-23 package.
5. MAX603CPA: Precision voltage reference with a DIP-8 package.

These alternative models offer similar functionality and can be used as substitutes for the RT9013-33GU5 in various applications.

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