RT9715DGBG

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DFN-8 (Dual Flat No-Lead)

Essence: The RT9715DGBG is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT9715DGBG is typically sold in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9715DGBG has the following pin configuration:

1. EN (Enable): Enable control pin for turning the regulator on or off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Regulated output voltage.
5. NC (No Connection): Not connected pin.
6. VIN (Input Voltage): Input voltage supply.
7. NC (No Connection): Not connected pin.
8. NC (No Connection): Not connected pin.

Functional Features

• High Efficiency: The RT9715DGBG offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows for versatile applications. - Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Dropout voltage of 200mV may affect performance in low-voltage scenarios.

Working Principles

The RT9715DGBG operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with an internal reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set within the specified range. The IC continuously monitors the input voltage and adjusts the internal circuitry to maintain a stable output voltage, even under varying load conditions.

Detailed Application Field Plans

The RT9715DGBG is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Computer Peripherals: USB hubs, external hard drives, printers.
3. Consumer Electronics: Digital cameras, gaming consoles, audio/video equipment.
4. Industrial Equipment: Test and measurement instruments, control systems, motor drivers.
5. Automotive Electronics: Infotainment systems, navigation devices, lighting controls.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package.
2. XC6206P332MR: Fixed output voltage regulator with low dropout voltage.
3. LT1763CS8-3.3: High current, low dropout voltage regulator.

These alternative models offer similar functionality and can be considered as substitutes for the RT9715DGBG in various applications.

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