RT9728ALGE

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 300mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 75μA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9728ALGE is an SOP-8 package with the following pin configuration:

| Pin No. | Name | Description | |---------|------|-------------| | 1 | EN | Enable Pin | | 2 | GND | Ground | | 3 | FB | Feedback | | 4 | NC | Not Connected | | 5 | VOUT | Output Voltage | | 6 | VIN | Input Voltage | | 7 | NC | Not Connected | | 8 | NC | Not Connected |

Functional Features

• Low dropout voltage: The RT9728ALGE provides a low dropout voltage of only 300mV at 500mA output current, ensuring efficient power management.
• Wide input voltage range: With an input voltage range of 2.5V to 6V, this voltage regulator can be used in various applications.
• Adjustable output voltage: The output voltage can be adjusted from 1.2V to 5.5V, providing flexibility for different requirements.
• Low quiescent current: The quiescent current of only 75μA helps to minimize power consumption in standby mode.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power management. - Wide input voltage range allows for versatile applications. - Adjustable output voltage provides flexibility. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications. - SOP-8 package may require additional space compared to smaller packages.

Working Principles

The RT9728ALGE is a low dropout voltage regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) can be used to turn the regulator on or off.

Detailed Application Field Plans

The RT9728ALGE is commonly used in various electronic devices and systems where a stable and regulated power supply is required. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• RT9728BLGE: Similar specifications and features, but with an adjustable output voltage range of 0.8V to 5.5V.
• RT9728CLGE: Similar specifications and features, but with a fixed output voltage of 3.3V.
• RT9728DLGE: Similar specifications and features, but with a fixed output voltage of 2.5V.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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