RT9179GB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, small package size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV @ 300mA
• Quiescent Current: 50μA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9179GB 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 Pin

Functional Features

• High efficiency: The RT9179GB offers high efficiency, minimizing power loss during voltage regulation.
• Low dropout voltage: With a dropout voltage of only 200mV at 300mA, it can regulate voltage even when the input voltage is close to the desired output voltage.
• Small package size: The SOT-23-5 package allows for compact designs in space-constrained applications.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Low dropout voltage enables stable output voltage even with low input voltages.
• Small package size allows for flexible integration into various electronic devices.

Disadvantages

• Limited input voltage range (2.5V - 6.5V) may not be suitable for all applications.
• Quiescent current of 50μA may be relatively high for ultra-low power applications.

Working Principles

The RT9179GB is a voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The RT9179GB can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: Ensures consistent voltage levels for automotive systems, including infotainment systems, sensors, and control modules.
3. Industrial equipment: Suitable for powering microcontrollers, sensors, and other components in industrial automation systems.
4. Communication devices: Enables reliable voltage regulation in routers, modems, and wireless communication devices.

Detailed and Complete Alternative Models

1. RT9170GB: Similar specifications and package, but with a wider input voltage range (1.8V - 6.5V).
2. RT9177GB: Lower dropout voltage (150mV @ 300mA) and lower quiescent current (30μA), but with a slightly larger package (SOT-23-6).

(Note: The above alternative models are provided for reference and may have different characteristics and specifications. Please refer to the respective datasheets for detailed information.)

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