RT9198-18GBR

Product Overview

Category

RT9198-18GBR 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
• Wide input voltage range
• Overcurrent and thermal protection
• Small package size

Package

RT9198-18GBR is available in a compact SOT-23 package.

Essence

The essence of RT9198-18GBR lies in its ability to provide stable and regulated voltage output in various electronic applications.

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)
• Maximum Output Current: 300mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

RT9198-18GBR features three pins:

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

Functional Features

• High Precision Regulation: The RT9198-18GBR ensures accurate and stable output voltage regulation, making it suitable for sensitive electronic components.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Overcurrent and Thermal Protection: The device incorporates built-in protection mechanisms to safeguard against overcurrent and excessive temperature, enhancing its reliability and longevity.
• Wide Input Voltage Range: The RT9198-18GBR can operate within a wide input voltage range, providing flexibility in various applications.
• Small Package Size: Its compact SOT-23 package allows for space-saving integration into electronic circuits.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output.
• Low dropout voltage enables stable performance even with low input voltages.
• Overcurrent and thermal protection enhance reliability.
• Wide input voltage range provides versatility.
• Compact package size allows for easy integration.

Disadvantages

• Limited maximum output current of 300mA may not be suitable for high-power applications.
• Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

RT9198-18GBR operates based on the principle of linear voltage regulation. It utilizes an internal reference voltage and feedback mechanism to maintain a constant output voltage despite variations in the input voltage or load conditions. By adjusting the pass transistor's resistance, it regulates the output voltage to the desired level.

Detailed Application Field Plans

RT9198-18GBR finds applications in various fields, including but not limited to: 1. Battery-powered devices: Provides stable voltage supply for portable electronics. 2. IoT devices: Ensures reliable voltage regulation in connected devices. 3. Automotive electronics: Supports voltage regulation in automotive systems. 4. Industrial control systems: Maintains precise voltage levels in control circuitry. 5. Consumer electronics: Used in audio/video equipment, smartphones, and other consumer devices.

Detailed and Complete Alternative Models

1. RT9198-18GSP: Similar specifications and features, but available in a different package (SOT-89).
2. RT9198-18GQW: Offers the same functionality but includes an enable/disable pin for power management purposes.
3. RT9198-18GPD: Provides additional protection features such as reverse voltage protection and short-circuit protection.

These alternative models offer similar voltage regulation capabilities with slight variations in package type, additional features, or protection mechanisms.

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