RT9077-33GJ5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The RT9077-33GJ5 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 RT9077-33GJ5 is available in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV @ 500mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9077-33GJ5 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: The RT9077-33GJ5 has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, the RT9077-33GJ5 can provide sufficient power for various applications.
• Wide Input Voltage Range: The IC can operate within a wide input voltage range of 2.5V to 6V, making it suitable for different power supply configurations.
• Thermal Shutdown Protection: The RT9077-33GJ5 incorporates thermal shutdown protection, which prevents the IC from overheating and ensures its safe operation.
• Short Circuit Current Limit: In case of a short circuit, the IC limits the output current to protect itself and the connected components.
• Overcurrent Protection: The RT9077-33GJ5 includes overcurrent protection, safeguarding against excessive current flow that could damage the device or the load.
• Reverse Polarity Protection: The IC is designed with reverse polarity protection, preventing damage in case the input voltage is accidentally connected in reverse.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Wide input voltage range allows flexibility in power supply design - Built-in protection features enhance reliability and safety

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

Working Principles

The RT9077-33GJ5 operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage derived from the output. The internal circuitry adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The RT9077-33GJ5 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment - Communication devices

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. MCP1703-3302E: Another alternative with comparable features and performance.
3. TPS79633: A voltage regulator IC offering similar characteristics and package options.

These alternative models can be considered based on specific requirements, availability, and cost considerations.

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