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RT8074GSP
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RT8074GSP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8

Essence: The RT8074GSP is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The RT8074GSP is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV at 500mA
  • Quiescent Current: 60μA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT8074GSP has the following pin configuration:

| Pin Name | Description | |----------|-------------| | VIN | Input voltage | | GND | Ground | | EN | Enable pin | | FB | Feedback pin | | VOUT | Output voltage |

Functional Features

  1. High Efficiency: The RT8074GSP utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.

  2. Low Dropout Voltage: With a low dropout voltage of only 200mV at 500mA, the RT8074GSP can maintain a stable output voltage even when the input voltage is close to the desired output voltage.

  3. Adjustable Output Voltage: The output voltage of the RT8074GSP can be easily adjusted within the specified range using external resistors.

  4. Overcurrent Protection: The IC incorporates overcurrent protection, which safeguards the device and the connected circuitry from excessive current flow.

  5. Thermal Shutdown Protection: The RT8074GSP features thermal shutdown protection, preventing damage due to excessive heat by automatically shutting down when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage provides flexibility for various applications. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited output current capacity (up to 1A). - Requires external resistors for output voltage adjustment.

Working Principles

The RT8074GSP operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The error amplifier adjusts the pass transistor to maintain the desired output voltage. The enable pin (EN) controls the operation of the IC.

Detailed Application Field Plans

The RT8074GSP is commonly used in the following applications:

  1. Battery-powered devices: Provides stable voltage for portable electronic devices such as smartphones, tablets, and portable media players.

  2. Industrial equipment: Suitable for powering sensors, actuators, and other low-power components in industrial automation systems.

  3. Automotive electronics: Used in automotive applications to regulate voltage for various subsystems, including infotainment systems, lighting, and control modules.

  4. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, extending battery life and improving overall performance.

Detailed and Complete Alternative Models

  1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package type.

  2. LT1763-3.3: Fixed output voltage regulator with a maximum output current of 500mA.

  3. TPS7A4700: Ultra-low dropout voltage regulator with adjustable output voltage and high output current capability.

  4. MCP1702-3302E: Low quiescent current voltage regulator with fixed output voltage and small package size.

  5. MAX6037: Precision voltage reference with adjustable output voltage and low dropout voltage.

  6. LP2985-33DBVR: Low-power voltage regulator with fixed output voltage and low dropout voltage.

  7. NCP1117ST50T3G: Fixed output voltage regulator with overcurrent protection and thermal shutdown.

  8. ADP3339AKCZ-3.3-R7: High-accuracy voltage regulator with adjustable output voltage and low dropout voltage.

  9. MIC5205-3.3YM5: Low-noise voltage regulator with fixed output voltage and low dropout voltage.

  10. XC6206P332MR: Low-power voltage regulator with fixed output voltage and low dropout voltage.

These alternative models offer similar functionality and can be considered as substitutes for the RT8074GSP in various applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van RT8074GSP in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of RT8074GSP in technical solutions:

  1. Q: What is RT8074GSP? A: RT8074GSP is a voltage regulator IC (integrated circuit) commonly used in electronic devices to regulate and stabilize power supply voltages.

  2. Q: What is the input voltage range supported by RT8074GSP? A: The input voltage range supported by RT8074GSP is typically between 2.5V and 5.5V.

  3. Q: What is the output voltage range provided by RT8074GSP? A: The output voltage range provided by RT8074GSP can be adjusted from 0.6V to the input voltage level.

  4. Q: What is the maximum output current that RT8074GSP can handle? A: RT8074GSP can handle a maximum output current of up to 3A, making it suitable for various applications.

  5. Q: Is RT8074GSP capable of providing a stable output voltage? A: Yes, RT8074GSP has built-in features like voltage feedback control and current limit protection to ensure a stable output voltage.

  6. Q: Can RT8074GSP operate in different modes? A: Yes, RT8074GSP supports both PWM (Pulse Width Modulation) mode and PFM (Pulse Frequency Modulation) mode for efficient power conversion.

  7. Q: Does RT8074GSP have over-temperature protection? A: Yes, RT8074GSP incorporates over-temperature protection to prevent damage due to excessive heat.

  8. Q: Can RT8074GSP be used in battery-powered applications? A: Yes, RT8074GSP is suitable for battery-powered applications as it has low quiescent current and supports low dropout voltage operation.

  9. Q: What are the typical applications of RT8074GSP? A: RT8074GSP is commonly used in portable devices, IoT (Internet of Things) devices, consumer electronics, and various other electronic systems.

  10. Q: Are there any evaluation boards or reference designs available for RT8074GSP? A: Yes, the manufacturer of RT8074GSP provides evaluation boards and reference designs to help engineers quickly prototype and implement their solutions.

Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet of RT8074GSP.