RN4904FE,LF(CB) - Product Overview

Product Category and Use The RN4904FE,LF(CB) belongs to the category of low-power voltage regulators. It is designed to regulate voltage levels in electronic circuits, ensuring stable and reliable power supply to sensitive components. This product is commonly used in various electronic devices, including consumer electronics, industrial equipment, and automotive applications.

Characteristics and Packaging The RN4904FE,LF(CB) is characterized by its low dropout voltage, high accuracy, and low quiescent current, making it suitable for battery-powered applications. It is available in a compact SOT-23 package, which enhances its versatility and ease of integration into different circuit designs.

Specifications - Input Voltage Range: 2.5V to 6.5V - Output Voltage Range: 1.2V to 5.0V - Maximum Output Current: 150mA - Dropout Voltage: 190mV at 100mA - Quiescent Current: 75µA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration The RN4904FE,LF(CB) features a standard SOT-23 pin configuration with three pins: input (VIN), ground (GND), and output (VOUT). The compact nature of the SOT-23 package allows for easy PCB layout and space-efficient designs.

Functional Features This voltage regulator offers stable and precise output voltage regulation, even under varying load conditions. It incorporates overcurrent and thermal protection mechanisms, safeguarding both the regulator and the connected circuitry from potential damage.

Advantages and Disadvantages Advantages: - Low dropout voltage ensures efficient utilization of available input voltage. - High accuracy and low quiescent current contribute to energy efficiency. - Compact SOT-23 package enables space-saving designs in compact electronic devices.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Narrow input voltage range may restrict compatibility with certain power sources.

Working Principles The RN4904FE,LF(CB) operates based on the principle of feedback control, where an internal error amplifier compares the actual output voltage with the desired reference voltage. Any deviation triggers the regulator to adjust the output, maintaining the specified voltage level.

Application Field Plans This voltage regulator finds extensive application in portable electronic devices, such as smartphones, tablets, and wearable gadgets, due to its low power consumption and small form factor. Additionally, it is utilized in automotive electronics, sensor modules, and battery-powered IoT devices.

Alternative Models For applications requiring higher output currents or wider input voltage ranges, alternative models such as the RN4905FE,LF(CB) and RN4906FE,LF(CB) offer enhanced performance and flexibility.

In conclusion, the RN4904FE,LF(CB) serves as a reliable and efficient voltage regulator, catering to the power management needs of diverse electronic systems while offering a balance of performance, size, and energy efficiency.

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