RT5047GSP

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: SOP-8 (Small Outline Package)

Essence: RT5047GSP is a power management IC designed to regulate voltage efficiently.

Packaging/Quantity: The RT5047GSP is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 0.8V - 5.5V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV @ 500mA
• Quiescent Current: 50μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT5047GSP has the following pin configuration:

| Pin Name | Description | |----------|-------------| | VIN | Input voltage pin | | GND | Ground pin | | EN | Enable pin | | FB | Feedback pin | | VOUT | Output voltage pin | | NC | No connection |

Functional Features

1. High Efficiency: The RT5047GSP utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of only 200mV at 500mA, the RT5047GSP can maintain stable output voltage even when the input voltage is close to the desired output voltage.
3. Adjustable Output Voltage: The output voltage of the RT5047GSP can be adjusted within a wide range, allowing flexibility in various applications.
4. Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current or temperature, ensuring reliable operation.
5. Small Package Size: The SOP-8 package of the RT5047GSP is compact, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Disadvantages: - Limited maximum output current (1A)

Working Principles

The RT5047GSP operates as a voltage regulator by comparing the feedback voltage (FB) with a reference voltage. It adjusts the duty cycle of an internal PWM controller to maintain the desired output voltage. The enable pin (EN) allows the IC to be turned on or off, providing control over the output voltage.

Detailed Application Field Plans

The RT5047GSP is commonly used in various electronic devices and systems that require efficient voltage regulation. Some application fields include:

1. Portable Devices: Battery-powered devices such as smartphones, tablets, and portable media players benefit from the RT5047GSP's high efficiency and low dropout voltage, extending battery life.
2. Wireless Communication Systems: The IC can be utilized in wireless communication systems, including Wi-Fi routers, Bluetooth modules, and IoT devices, to ensure stable power supply.
3. Industrial Control Systems: The RT5047GSP finds applications in industrial control systems, providing reliable voltage regulation for sensors, actuators, and other components.
4. Automotive Electronics: With its wide input voltage range and robust protection features, the IC can be employed in automotive electronics, such as infotainment systems and lighting controls.

Detailed and Complete Alternative Models

1. RT5047BSP: Similar to RT5047GSP, but with a fixed output voltage of 3.3V.
2. RT5047HSP: Higher maximum output current of 1.5A, suitable for applications requiring higher power.

These alternative models offer similar functionality to the RT5047GSP but may have different specifications or package options to suit specific requirements.

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