Infineon Technologies
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IRU1207-25CSTR
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IRU1207-25CSTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: CSTR (Compact Surface Mount Technology Resistor)

Essence: The IRU1207-25CSTR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1207-25CSTR is available in a compact surface mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 2.5V - 16V
  • Output Voltage Range: 1.2V - 5.5V
  • Maximum Output Current: 1A
  • Dropout Voltage: 300mV at 1A
  • Quiescent Current: 80µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IRU1207-25CSTR has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting the output voltage
  4. EN: Enable pin for turning the regulator on/off
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The IRU1207-25CSTR utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
  • Low Dropout Voltage: The regulator maintains a low dropout voltage, ensuring stable operation even when the input voltage is close to the desired output voltage.
  • Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor connected to the feedback pin.
  • Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
  • Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

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

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The IRU1207-25CSTR operates as a linear voltage regulator. It regulates the output voltage by comparing it with a reference voltage and adjusting the internal circuitry accordingly. The feedback pin (FB) is used to set the desired output voltage, while the enable pin (EN) controls the on/off state of the regulator.

When the input voltage (VIN) is within the specified range, the IC maintains a stable output voltage (VOUT) by regulating the current flow through its internal circuitry. It continuously monitors the output voltage and adjusts the internal components to compensate for any variations.

Detailed Application Field Plans

The IRU1207-25CSTR finds application in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

  1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the efficient and adjustable voltage regulation provided by the IRU1207-25CSTR.
  2. IoT Devices: Internet of Things (IoT) devices often operate on low voltages and require precise regulation. The IC can be used in sensors, smart home devices, and wearable technology.
  3. Automotive Electronics: The IC's ability to withstand a wide operating temperature range makes it suitable for automotive applications such as infotainment systems, lighting control, and engine management.
  4. Industrial Control Systems: The IRU1207-25CSTR can be utilized in various industrial control systems, including robotics, automation, and power management.

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable voltage regulator with similar characteristics.
  2. LT1083: High current linear regulator suitable for demanding applications.
  3. LM1117: Low dropout voltage regulator available in various fixed output voltages.
  4. TPS7A47: Ultra-low noise, high PSRR voltage regulator for sensitive applications.

These alternative models offer similar functionality and can be considered as substitutes for the IRU1207-25CSTR depending on specific requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van IRU1207-25CSTR in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of IRU1207-25CSTR in technical solutions:

  1. Q: What is IRU1207-25CSTR? A: IRU1207-25CSTR is a specific model of integrated voltage regulator designed for use in various technical solutions.

  2. Q: What is the input voltage range of IRU1207-25CSTR? A: The input voltage range of IRU1207-25CSTR is typically between 4.5V and 28V.

  3. Q: What is the output voltage range of IRU1207-25CSTR? A: The output voltage range of IRU1207-25CSTR is fixed at 2.5V.

  4. Q: What is the maximum output current of IRU1207-25CSTR? A: The maximum output current of IRU1207-25CSTR is typically 7A.

  5. Q: Can IRU1207-25CSTR be used in automotive applications? A: Yes, IRU1207-25CSTR is suitable for automotive applications as it can handle the required voltage and current levels.

  6. Q: Is IRU1207-25CSTR a buck converter or a boost converter? A: IRU1207-25CSTR is a buck converter, which means it steps down the input voltage to a lower output voltage.

  7. Q: Does IRU1207-25CSTR have built-in protection features? A: Yes, IRU1207-25CSTR includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Q: Can IRU1207-25CSTR be used in high-temperature environments? A: Yes, IRU1207-25CSTR is designed to operate reliably in high-temperature environments, typically up to 125°C.

  9. Q: What type of package does IRU1207-25CSTR come in? A: IRU1207-25CSTR is available in a small surface-mount package, such as the TO-263-7L.

  10. Q: Are there any application notes or reference designs available for IRU1207-25CSTR? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of IRU1207-25CSTR in various technical solutions.

Please note that the specific details mentioned above may vary depending on the manufacturer's specifications and revisions of the product.