RN1909FE(TE85L,F) Product Overview

Introduction

RN1909FE(TE85L,F) is a semiconductor product belonging to the category of voltage regulators. This device is widely used in electronic circuits to maintain a stable output voltage, making it an essential component in various applications.

Basic Information Overview

• Category: Voltage Regulator
• Use: To maintain a stable output voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: SOT-23-5
• Essence: Ensures consistent and reliable power supply in electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.2V to 5.0V
• Output Current: 150mA
• Dropout Voltage: 130mV at 100mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RN1909FE(TE85L,F) features a standard SOT-23-5 pin configuration: 1. Input 2. Ground 3. Enable 4. NC (No Connection) 5. Output

Functional Features

• High Precision: Provides accurate and stable output voltage
• Low Dropout Voltage: Minimizes power loss and extends battery life
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

• Compact package size
• Wide input voltage range
• Low dropout voltage

Disadvantages

• Limited output current capacity
• Sensitive to external noise and fluctuations

Working Principles

The RN1909FE(TE85L,F) operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage, regardless of changes in input voltage or load conditions.

Detailed Application Field Plans

This voltage regulator is commonly used in portable electronic devices, battery-powered systems, and low-power applications where a stable and efficient power supply is crucial. It is also suitable for IoT devices, sensor modules, and handheld consumer electronics.

Detailed and Complete Alternative Models

• LM1117: Similar voltage regulator with higher output current capacity
• XC6206: Low dropout voltage regulator with ultra-small package size
• TS2940: Voltage regulator with thermal shutdown and current limiting features

In conclusion, the RN1909FE(TE85L,F) voltage regulator offers a compact and efficient solution for maintaining stable power supply in various electronic applications, despite its limitations in output current capacity and sensitivity to external noise.

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