RT8485GS

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
• Package: SOP-8
• Essence: The RT8485GS is a voltage regulator IC designed for various applications that require stable and regulated power supply.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT8485GS features an SOP-8 package with the following pin configuration:

1. EN (Enable): Enable control pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for regulating the output voltage.
4. VOUT (Output Voltage): Output voltage pin.
5. VIN (Input Voltage): Input voltage pin.
6. NC (No Connection): No electrical connection.
7. NC (No Connection): No electrical connection.
8. PG (Power Good): Power good indicator pin.

Functional Features

• High Efficiency: The RT8485GS offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 1A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Small Package Size: The SOP-8 package allows for compact and space-saving designs, making it suitable for applications with limited board space.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Small package size - Wide input voltage range - Power good indicator

Disadvantages: - Limited maximum output current (1A)

Working Principles

The RT8485GS operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The feedback pin (FB) is used to monitor the output voltage and adjust the internal circuitry to maintain the desired voltage level. The enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The RT8485GS can be used in various applications that require a regulated power supply, such as:

1. Battery-powered devices
2. Portable electronic devices
3. IoT (Internet of Things) devices
4. Wearable devices
5. Audio/video equipment
6. Industrial control systems

Detailed and Complete Alternative Models

1. RT8485GSP: Same specifications and features as RT8485GS, but available in DFN-8 package.
2. RT8485GSC: Same specifications and features as RT8485GS, but available in SOT-23-5 package.
3. RT8485GSA: Same specifications and features as RT8485GS, but available in SOP-8 package with adjustable output voltage.

These alternative models offer flexibility in terms of package options while maintaining the same functionality and performance as the RT8485GS.

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