RT9166A-20GXL

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: TO-252-2L (DPAK)

Essence: The RT9166A-20GXL is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9166A-20GXL is typically packaged in reels containing 2,500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 1.5A
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9166A-20GXL has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High output current capability allows the IC to handle demanding loads.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides flexibility in meeting specific device requirements.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the IC and connected devices from excessive current flow.

Advantages and Disadvantages

Advantages: - Efficient power conversion - High output current capability - Wide input voltage range - Adjustable output voltage

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Dropout voltage of 200mV may not be suitable for ultra-low power applications.

Working Principles

The RT9166A-20GXL 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 load and input voltage.

Detailed Application Field Plans

The RT9166A-20GXL is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

1. RT9166A-18GXL: Similar to RT9166A-20GXL but with an output voltage range of 1.2V to 4.5V.
2. RT9166A-25GXL: Similar to RT9166A-20GXL but with an output voltage range of 1.2V to 6.0V.
3. RT9166B-20GXL: Improved version with lower dropout voltage and higher output current capability.

These alternative models offer similar functionality and characteristics, providing options for different voltage requirements and performance needs.

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