RT9819F-40GV

Product Overview

Category

RT9819F-40GV belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short circuit protection

Package

RT9819F-40GV is available in a small SOT-23 package.

Essence

The essence of RT9819F-40GV lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 4.0V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

RT9819F-40GV has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. GND (Ground): This pin is connected to the ground reference.
3. VOUT (Output Voltage): This pin provides the regulated output voltage.

Functional Features

• High Precision: RT9819F-40GV offers high precision voltage regulation, ensuring accurate output voltage.
• Low Dropout Voltage: It has a low dropout voltage, minimizing power loss and maximizing efficiency.
• Low Quiescent Current: The device consumes low quiescent current, reducing power consumption.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection, safeguarding against overheating.
• Short Circuit Protection: RT9819F-40GV is equipped with short circuit protection, preventing damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output.
• Low dropout voltage minimizes power loss.
• Low quiescent current reduces power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards against damage.

Disadvantages

• Limited input voltage range (2.5V - 6V).
• Dropout voltage of 200mV may not be suitable for all applications.

Working Principles

RT9819F-40GV operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The device continuously monitors the input and output voltages to ensure proper regulation.

Detailed Application Field Plans

RT9819F-40GV finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to RT9819F-40GV are: - LM1117-4.0 - MCP1700-4002E/TO - TS2940CZ-4.0

These models offer similar functionality and characteristics, providing options for different design requirements.

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