RT9198-18GY

Product Overview

Category

RT9198-18GY 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 6V
• Output Voltage: 1.8V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV
• Low Quiescent Current: 60μA
• Low Shutdown Current: 0.1μA
• Operating Temperature Range: -40°C to +85°C

Package

RT9198-18GY is available in a small SOT-23-5 package.

Essence

The essence of RT9198-18GY is its ability to provide a stable output voltage despite variations in input voltage and load conditions.

Packaging/Quantity

RT9198-18GY is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.8V ±2%
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (at 100mA)
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/mA
• Quiescent Current: 60μA
• Shutdown Current: 0.1μA
• Ripple Rejection: 70dB (at 1kHz)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

RT9198-18GY has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption in standby mode.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Low quiescent current reduces power consumption.
• Good line and load regulation ensure stable output voltage.

Disadvantages

• Dropout voltage may limit the use of low input voltage sources.
• Limited maximum output current may restrict high-power applications.

Working Principles

RT9198-18GY is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

RT9198-18GY finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to RT9198-18GY include: - LM1117-1.8 - LT1763-1.8 - MCP1702-1802

These models offer similar specifications and functionality, providing alternatives for different design requirements.

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