RT9183-15GG

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 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.2%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9183-15GG 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 accuracy: The RT9183-15GG provides a precise output voltage of 1.5V, ensuring stable operation of connected devices.
• Low dropout voltage: With a dropout voltage as low as 200mV, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes only 45µA of current when in standby mode, minimizing power consumption.
• Overcurrent protection: The RT9183-15GG incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Low quiescent current - Overcurrent protection

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

Working Principles

The RT9183-15GG is a linear 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.

Detailed Application Field Plans

The RT9183-15GG is commonly used in various electronic devices, including:

1. Battery-powered devices: It ensures a stable voltage supply for microcontrollers, sensors, and other low-power components.
2. Portable audio players: The regulator provides a reliable power source for audio amplifiers and digital-to-analog converters.
3. IoT devices: It helps maintain a consistent voltage level for wireless modules, sensors, and microcontrollers in IoT applications.
4. Automotive electronics: The RT9183-15GG can be utilized in automotive systems such as infotainment units, lighting controls, and engine management modules.

Detailed and Complete Alternative Models

1. LM1117-1.5: This voltage regulator offers similar specifications and pin configuration to the RT9183-15GG.
2. MCP1700-1502E/TO: Another alternative with comparable characteristics and pinout.
3. LP2985-1.5: This regulator provides a fixed 1.5V output and shares similarities with the RT9183-15GG.

These alternative models can be considered based on specific application requirements and availability.

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