RT9041A-10GE

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 form factor

Package: QFN-16

Essence: The RT9041A-10GE is a power management IC designed to regulate voltage efficiently with low dropout. It offers adjustable output voltage, overcurrent protection, and thermal protection features.

Packaging/Quantity: The RT9041A-10GE is available in a QFN-16 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V - 5.5V
• Output Voltage Range: 0.8V - 3.6V
• Dropout Voltage: 200mV @ 300mA
• Maximum Output Current: 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The RT9041A-10GE 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 | VOUT | Output Voltage | | 6-9 | NC | No Connection | | 10 | PG | Power Good Indicator | | 11-14 | NC | No Connection | | 15 | SW | Switch Node | | 16 | BST | Bootstrap Supply Voltage |

Functional Features

• High efficiency voltage regulation
• Adjustable output voltage for flexibility
• Overcurrent protection safeguards against excessive current flow
• Thermal protection prevents overheating
• Power Good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Adjustable output voltage allows customization for various applications - Overcurrent and thermal protection enhance system reliability - Small form factor saves board space

Disadvantages: - Maximum output current limited to 300mA, may not be suitable for high-power applications - Limited input voltage range of 2.5V - 5.5V

Working Principles

The RT9041A-10GE operates as a voltage regulator by maintaining a stable output voltage regardless of variations in the input voltage. It achieves this through a combination of feedback control and internal circuitry. The enable control pin (EN) allows the device to be turned on or off as needed.

Detailed Application Field Plans

The RT9041A-10GE is commonly used in various electronic devices and systems that require efficient voltage regulation. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Electronics: Smartwatches, fitness trackers.
3. IoT Devices: Home automation systems, smart sensors.
4. Consumer Electronics: Digital cameras, portable gaming consoles.
5. Industrial Equipment: Test and measurement instruments, control systems.

Detailed and Complete Alternative Models

1. RT9041B-10GE: Similar to RT9041A-10GE with enhanced overcurrent protection.
2. RT9041C-10GE: Higher maximum output current of 500mA.
3. RT9041D-10GE: Lower dropout voltage of 100mV @ 300mA.

These alternative models offer similar functionality but may have specific advantages depending on the application requirements.

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