RT9198-18GV

Product Overview

Category

RT9198-18GV belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short circuit protection

Package

RT9198-18GV is available in a small SOT-23 package.

Essence

The essence of RT9198-18GV lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

RT9198-18GV has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. VOUT (Output Voltage): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: RT9198-18GV ensures a stable output voltage of 1.8V regardless of input voltage fluctuations.
• Low Dropout Voltage: The low dropout voltage enables efficient power conversion even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The low quiescent current minimizes power consumption during standby or idle conditions.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Protection: RT9198-18GV includes short circuit protection to safeguard the device and connected components in case of a short circuit.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable performance.
• Low dropout voltage allows for efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage from overheating.
• Short circuit protection safeguards the device and connected components.

Disadvantages

• Limited output voltage options (only 1.8V in this model).
• May require additional external components for specific applications.

Working Principles

RT9198-18GV 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 constant output voltage. This is achieved through a combination of error amplification, voltage reference, and feedback loop.

Detailed Application Field Plans

RT9198-18GV finds application in various electronic devices and systems, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to RT9198-18GV include: - LM1117-1.8V: A popular linear voltage regulator with similar specifications. - LT1761-1.8: Another low dropout voltage regulator suitable for various applications. - MCP1702-1802E: A cost-effective voltage regulator with comparable features.

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

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