RT2855AHGQW

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 1.5A
• Quiescent Current: 30µA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT2855AHGQW has a total of 16 pins arranged as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | EN | Enable Control | | 3 | FB | Feedback Voltage | | 4 | GND | Ground | | 5 | SW | Switch Node | | 6 | PGND | Power Ground | | 7 | LX | Inductor Connection | | 8 | VOUT | Output Voltage | | 9-16 | NC | No Connection |

Functional Features

• High Efficiency: The RT2855AHGQW utilizes advanced power management techniques to achieve high efficiency levels, minimizing power loss.
• Low Power Consumption: With a quiescent current of only 30µA, the IC ensures minimal power consumption during standby or low-load conditions.
• Wide Input Voltage Range: The device can operate within a wide input voltage range of 2.7V to 5.5V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to 3.6V, providing flexibility for different system requirements.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and longer battery life. - Wide input voltage range allows compatibility with different power sources. - Adjustable output voltage provides versatility for various applications.

Disadvantages: - Limited maximum output current of 1.5A may not be sufficient for high-power applications. - The IC requires external components such as an inductor and capacitors for proper operation.

Working Principles

The RT2855AHGQW is a voltage regulator that converts the input voltage to a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency. The input voltage is first stepped down using a high-frequency switch, and then filtered and regulated to provide a stable output voltage. The enable control pin allows the device to be turned on or off as needed.

Detailed Application Field Plans

The RT2855AHGQW is commonly used in various portable electronic devices, including smartphones, tablets, and wearable devices. Its compact package and low power consumption make it ideal for battery-powered applications. The voltage regulator ensures a stable power supply to sensitive components, improving overall system performance and reliability.

Detailed and Complete Alternative Models

• RT2854AHGQW: Similar specifications and features, but with a lower maximum output current of 1A.
• RT2856AHGQW: Similar specifications and features, but with a higher maximum output current of 2A.
• RT2857AHGQW: Similar specifications and features, but with an adjustable output voltage range of 0.8V to 3.3V.

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