RT9183-18GLF

Product Overview

Category: Voltage Regulator
Use: To regulate and stabilize voltage in electronic circuits
Characteristics: High precision, low dropout voltage, low quiescent current
Package: SOT-223
Essence: Linear regulator
Packaging/Quantity: Tape and reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9183-18GLF has three pins:

1. VIN (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. VOUT (Pin 3): Output voltage pin

Functional Features

• High precision: The RT9183-18GLF provides a highly accurate output voltage of 1.8V, ensuring stable performance in electronic circuits.
• Low dropout voltage: With a dropout voltage of only 200mV at 100mA, this voltage regulator minimizes power dissipation and improves efficiency.
• Low quiescent current: The device operates with a low quiescent current of 50µA, reducing power consumption and extending battery life.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Low quiescent current - Wide input voltage range - Excellent line and load regulation

Disadvantages: - Limited output voltage options - SOT-223 package may require additional space on the PCB

Working Principles

The RT9183-18GLF is a linear voltage regulator that uses 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 stable output voltage of 1.8V.

Detailed Application Field Plans

The RT9183-18GLF is commonly used in various electronic devices, including:

1. Mobile phones
2. Tablets
3. Portable media players
4. Digital cameras
5. Wireless communication systems

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and package options.
2. LT1761-1.8: Offers lower dropout voltage and higher accuracy but comes in a smaller SOT-23 package.
3. MCP1700-1802E: Provides a wider input voltage range and lower quiescent current but has a higher dropout voltage.

These alternative models can be considered based on specific requirements and design constraints.

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