RT9055-SPWSC

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection - Small form factor

Package: SOP-8

Essence: RT9055-SPWSC is a power management IC designed for various applications that require regulated power supply.

Packaging/Quantity: The RT9055-SPWSC is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9055-SPWSC has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | NC | No Connection | | 6 | NC | No Connection | | 7 | VOUT | Output Voltage | | 8 | NC | No Connection |

Functional Features

• High Efficiency: The RT9055-SPWSC offers high efficiency, ensuring minimal power loss during voltage regulation.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different applications.
• Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against potential damage.
• Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various power supply scenarios.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Adjustable output voltage allows for customization - Overcurrent and thermal protection enhance reliability - Wide input voltage range increases versatility

Disadvantages: - Limited output current capacity - Requires external components for proper operation

Working Principles

The RT9055-SPWSC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance. This adjustment ensures that the output voltage remains stable within the desired range, even when the input voltage or load conditions change.

Detailed Application Field Plans

The RT9055-SPWSC is commonly used in the following applications:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Used in various industrial applications where stable power supply is crucial, such as control systems, sensors, and actuators.
3. Automotive electronics: Suitable for automotive applications requiring regulated power, including infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

1. LM1117-ADJ: A popular alternative with similar specifications and pin configuration.
2. XC6206P332MR: Offers comparable performance and package options.
3. LP2985AIM5-3.3: Another alternative with adjustable output voltage and low dropout characteristics.

These alternative models provide similar functionality and can be considered as substitutes for the RT9055-SPWSC in various applications.

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