RT9198-28GU5R

Product Overview

Category

RT9198-28GU5R belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Package: SOT-23-5
• Essence: Low dropout linear regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

The specifications for RT9198-28GU5R are as follows:

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 2.8V
• Dropout Voltage: 200mV at 150mA
• Output Current: 150mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of RT9198-28GU5R is as follows:

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

Functional Features

• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit current limit
• Fast transient response

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation
• Low quiescent current minimizes power consumption
• Thermal shutdown protection prevents overheating
• Fast transient response enables quick voltage stabilization

Disadvantages

• Limited output current capacity (150mA)
• Narrow input voltage range (2.5V to 6V)

Working Principles

RT9198-28GU5R operates based on the principle of a low dropout linear regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. This is achieved through the use of a pass transistor that adjusts its resistance to maintain the desired output voltage.

Detailed Application Field Plans

RT9198-28GU5R finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wireless communication systems - Digital cameras - Portable gaming consoles

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to RT9198-28GU5R are: - LM1117-2.8 - MCP1700-2802E/TO - LP2985-2.8

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

In conclusion, RT9198-28GU5R is a low dropout linear regulator used for voltage regulation in electronic circuits. It offers advantages such as low dropout voltage, low quiescent current, and thermal shutdown protection. However, it has limitations in terms of output current capacity and input voltage range. It finds applications in battery-powered devices, portable audio players, mobile phones, and more. Alternative models like LM1117-2.8, MCP1700-2802E/TO, and LP2985-2.8 can also be considered for similar purposes.