RT9167-47GB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Wide input voltage range

Package: SOT-23-5

Essence: The RT9167-47GB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 4.7V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9167-47GB has a SOT-23-5 package with the following pin configuration:

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

Functional Features

1. Low Dropout Voltage: The RT9167-47GB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With an output current capability of up to 1A, this voltage regulator can power a wide range of electronic devices.
3. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
4. Short Circuit Current Limit: The short circuit current limit feature protects the IC from damage caused by excessive current during a short circuit event.
5. Wide Input Voltage Range: The RT9167-47GB can operate within a wide input voltage range of 2.5V to 6V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability allows for powering various devices - Thermal shutdown protection prevents damage from overheating - Short circuit current limit protects the IC during short circuit events - Wide input voltage range accommodates different applications

Disadvantages: - None identified

Working Principles

The RT9167-47GB 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. The internal circuitry ensures low dropout voltage and provides protection features like thermal shutdown and short circuit current limit.

Detailed Application Field Plans

The RT9167-47GB is commonly used in various electronic devices and applications, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. RT9167-33GB: Output voltage of 3.3V
2. RT9167-50GB: Output voltage of 5.0V
3. RT9167-25GB: Output voltage of 2.5V
4. RT9167-ADJ: Adjustable output voltage version

These alternative models provide different output voltages to suit specific application requirements.

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