RT9741DGV

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: DGV (Thin SOT23-6)

Essence: The RT9741DGV is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9741DGV is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9741DGV has the following pin configuration:

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Pin 1: VIN (Input Voltage)

Pin 2: GND (Ground)

Pin 3: EN (Enable)

Pin 4: FB (Feedback)

Pin 5: NC (No Connection)

Pin 6: VOUT (Output Voltage)

Functional Features

• High Efficiency: The RT9741DGV utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 100mA, the RT9741DGV can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage of the RT9741DGV can be adjusted within a specified range, allowing flexibility in various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the device and connected components.
• Thermal Shutdown Protection: In case of excessive heat, the RT9741DGV features thermal shutdown protection, automatically disabling the regulator to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency design - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Disadvantages: - Limited output current capacity (up to 500mA)

Working Principles

The RT9741DGV operates as a linear voltage regulator. It takes an input voltage from the VIN pin and regulates it to a stable output voltage at the VOUT pin. The feedback pin (FB) is used to adjust the output voltage by connecting external resistors or a voltage divider network. The enable pin (EN) allows for control of the regulator's operation.

Detailed Application Field Plans

The RT9741DGV is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronic devices - IoT (Internet of Things) devices - Wearable devices - Consumer electronics

Detailed and Complete Alternative Models

• RT9741AGB: Similar specifications and features, but available in a different package (GB - SOT23-5).
• RT9741HGV: Higher output current capacity (up to 1A), otherwise similar specifications and features, same package (DGV).

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of alternatives.

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