Richtek USA Inc.
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RT9178-25GB
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RT9178-25GB

Product Overview

Category

RT9178-25GB belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in electronic circuits.

Characteristics

  • Provides stable output voltage.
  • Low dropout voltage.
  • High accuracy and precision.
  • Wide input voltage range.
  • Overcurrent and thermal protection features.

Package

RT9178-25GB is available in a compact surface-mount package.

Essence

The essence of RT9178-25GB lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on customer requirements.

Specifications

  • Input Voltage Range: 2.5V - 6V
  • Output Voltage: 2.5V
  • Dropout Voltage: 0.3V @ 100mA
  • Maximum Output Current: 300mA
  • Line Regulation: ±0.1%
  • Load Regulation: ±0.2%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Stable output voltage regardless of input variations.
  • Low dropout voltage ensures efficient power conversion.
  • Overcurrent protection safeguards against excessive current flow.
  • Thermal protection prevents overheating of the device.

Advantages and Disadvantages

Advantages

  • High accuracy and precision in voltage regulation.
  • Wide input voltage range allows for versatile applications.
  • Compact package size enables space-saving designs.
  • Overcurrent and thermal protection enhance reliability.

Disadvantages

  • Limited maximum output current compared to some alternatives.
  • Higher cost compared to certain lower-end voltage regulators.

Working Principles

RT9178-25GB operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, compensating for input variations.

Detailed Application Field Plans

RT9178-25GB finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered systems

Detailed and Complete Alternative Models

  1. RT9178-33GB: Output Voltage - 3.3V, Maximum Output Current - 300mA.
  2. RT9178-50GB: Output Voltage - 5V, Maximum Output Current - 300mA.
  3. RT9178-18GB: Output Voltage - 1.8V, Maximum Output Current - 300mA.
  4. RT9178-12GB: Output Voltage - 1.2V, Maximum Output Current - 300mA.

These alternative models provide different output voltages while sharing similar characteristics and features with RT9178-25GB.

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Énumérez 10 questions et réponses courantes liées à l'application de RT9178-25GB dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of RT9178-25GB in technical solutions:

  1. Q: What is RT9178-25GB? A: RT9178-25GB is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of 2.5V.

  2. Q: What are the typical applications of RT9178-25GB? A: RT9178-25GB is commonly used in various electronic devices such as power supplies, battery-powered systems, and portable devices.

  3. Q: What is the input voltage range for RT9178-25GB? A: The input voltage range for RT9178-25GB is typically between 2.7V and 6V.

  4. Q: What is the maximum output current of RT9178-25GB? A: The maximum output current of RT9178-25GB is typically 300mA.

  5. Q: Does RT9178-25GB require any external components for operation? A: Yes, RT9178-25GB requires a few external components such as input and output capacitors for stability and filtering.

  6. Q: Can RT9178-25GB operate in a wide temperature range? A: Yes, RT9178-25GB is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  7. Q: Is RT9178-25GB a low dropout regulator (LDO)? A: Yes, RT9178-25GB is an LDO regulator, which means it can maintain a stable output voltage even when the input voltage is close to the output voltage.

  8. Q: What is the dropout voltage of RT9178-25GB? A: The dropout voltage of RT9178-25GB is typically around 300mV at full load.

  9. Q: Can RT9178-25GB handle short-circuit conditions? A: Yes, RT9178-25GB has built-in protection features to handle short-circuit conditions and prevent damage to the IC.

  10. Q: Is RT9178-25GB available in different package options? A: Yes, RT9178-25GB is available in various package options such as SOT-23, SOT-89, and TO-252, providing flexibility for different PCB layouts and applications.

Please note that the specific details and specifications may vary depending on the manufacturer's datasheet and application requirements.