RT9167-28GB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: SOT-23-5

Essence: The RT9167-28GB is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The RT9167-28GB is typically packaged in reels or tubes, with a quantity of 3000 units per reel or tube.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 2.8V
• Dropout Voltage: 200mV @ 100mA
• Output Current: Up to 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9167-28GB has five pins arranged as follows:

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

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
• High output current capability allows it to power various components in electronic circuits.
• Adjustable output voltage enables customization for different applications.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Overcurrent protection safeguards against excessive current flow.
• Short-circuit protection prevents damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for versatile applications. - Adjustable output voltage provides flexibility. - Thermal shutdown, overcurrent, and short-circuit protections enhance reliability.

Disadvantages: - Limited output voltage options (fixed at 2.8V). - May require additional external components for certain applications.

Working Principles

The RT9167-28GB operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The RT9167-28GB is widely used in various electronic devices and applications, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

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

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

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