RT9166A-36GXL

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage, small package size
Package: SOT-23-5
Essence: Linear regulator
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 3.6V
• Dropout Voltage: 200mV at 100mA
• Output Current: 100mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9166A-36GXL has a standard SOT-23-5 package with the following pin configuration:

1. VIN (Input voltage)
2. GND (Ground)
3. NC (No connection)
4. VOUT (Output voltage)
5. EN (Enable)

Functional Features

• Low dropout voltage: The RT9166A-36GXL maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• High efficiency: With its low quiescent current and low dropout voltage, this voltage regulator achieves high efficiency in power management applications.
• Thermal shutdown protection: The device includes built-in thermal shutdown protection to prevent damage from excessive heat.
• Short-circuit protection: The RT9166A-36GXL features short-circuit protection, ensuring the safety of the connected circuitry.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - High efficiency results in reduced power consumption. - Low dropout voltage ensures stable output voltage even with low input voltage.

Disadvantages: - Limited output current of 100mA may not be suitable for high-power applications. - SOT-23-5 package may require additional thermal management in certain scenarios.

Working Principles

The RT9166A-36GXL is a linear regulator that regulates the output voltage by dissipating excess energy as heat. It uses a pass transistor to control the output voltage based on the feedback received from the output. When the input voltage exceeds the desired output voltage, the pass transistor reduces the voltage to maintain a stable output. Conversely, when the input voltage drops below the desired output voltage, the pass transistor allows more voltage to pass through, compensating for the difference.

Detailed Application Field Plans

The RT9166A-36GXL is commonly used in various applications, including but not limited to:

1. Battery-powered devices: The low dropout voltage and high efficiency make it suitable for battery-powered devices where maximizing battery life is crucial.
2. Portable electronics: Due to its small package size, the RT9166A-36GXL is ideal for space-constrained portable electronic devices such as smartphones, tablets, and wearable devices.
3. IoT devices: With the increasing popularity of Internet of Things (IoT) devices, the RT9166A-36GXL finds application in sensors, smart home devices, and other IoT-related products.
4. Automotive electronics: The wide operating temperature range (-40°C to +85°C) makes it suitable for automotive applications where temperature fluctuations are common.

Detailed and Complete Alternative Models

1. LM1117-3.3: This voltage regulator offers similar specifications and pin configuration, with an output voltage of 3.3V.
2. MCP1700-3302E: Another alternative with comparable characteristics, providing a fixed output voltage of 3.3V.
3. LP2985-33DBVR: This voltage regulator offers a low dropout voltage and a small package size, with an output voltage of 3.3V.

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

In conclusion, the RT9166A-36GXL is a voltage regulator that provides efficient power management in various applications. Its small package size, low dropout voltage, and high efficiency make it suitable for battery-powered devices, portable electronics, IoT devices, and automotive electronics. While it has limitations in terms of output current and package thermal management, there are alternative models available to suit specific requirements.